Study the terrain before race day. Elevation profiles, aid station details, segment breakdowns, and cutoff times for 89 iconic ultra marathons.
Olympic Valley to Auburn, CA, California · 100.2 mi · 18,090 ft gain · High point 8,750 ft
The oldest 100-mile trail race in the world. From Squaw Valley ski resort to Auburn, traversing the Sierra Nevada mountains on the Western States Trail. Known for brutal heat in the canyons and technical river crossings.
Chamonix, France · 106 mi · 32,800 ft gain · High point 8,530 ft
The world's most prestigious ultra — a loop around Mont Blanc through France, Italy, and Switzerland. Massive vertical gain with sustained alpine terrain and unpredictable mountain weather.
Leadville, CO · 100 mi · 15,600 ft gain · High point 12,620 ft
The 'Race Across the Sky' — an out-and-back course at extreme altitude in the Colorado Rockies. Never drops below 9,200 ft. Hope Pass at 12,620 ft is tackled twice. Altitude is the defining challenge.
Silverton, CO · 102 mi · 33,197 ft gain · High point 14,048 ft
The most demanding 100-miler in North America. 102.5 miles through the San Juan Mountains averaging 11,000 feet — clockwise 2026. Built from official GPX, aid station, and course data.
Kaysville to Midway, UT · 100 mi · 24,600 ft gain · High point 10,450 ft
One of the original 100-milers. Point-to-point through the Wasatch Mountains along the Wasatch Front. Known for relentless climbing, steep descents, and navigating through aspen forests.
Fountain Hills, AZ · 100 mi · 5,800 ft gain · High point 2,900 ft
A fast and friendly 100-miler through the Sonoran Desert on looped trails around McDowell Mountain. Perfect for first-time 100-miler runners. Known for a festive atmosphere and fast times.
Gooseberry Falls to Lutsen, MN, Minnesota · 103.4 mi · 20,000 ft gain · High point 1,829 ft
Traverses the rugged Superior Hiking Trail along Lake Superior's North Shore. Rocky, rooty, technical singletrack through boreal forest. Steep roller-coaster terrain relentless on the legs.
Dayton, WY · 100 mi · 18,600 ft gain · High point 9,400 ft
Through the Bighorn Mountains of Wyoming. Wild, remote, and stunningly beautiful. Possible snow at elevation, river crossings, and long exposed ridges above treeline.
Logan, UT to Fish Haven, ID, Utah · 100 mi · 20,364 ft gain · High point 8,865 ft
Point-to-point from Logan, Utah to Bear Lake in Fish Haven, Idaho. 100 miles through the Wasatch-Cache and Caribou National Forests. A 4,013 ft opening wall, relentless canyon rhythm, and the tightest crew logistics of any Utah 100. Western States and Hardrock qualifier. Since 1986.
Herriman, UT, Texas · 50 mi · 8,500 ft gain · High point 7,400 ft
A challenging 50-miler through the Oquirrh Mountains west of Salt Lake City. Technical singletrack with steep climbs and exposed ridgelines. A true Utah local favorite.
Antelope Island, UT, Colorado · 50 mi · 6,200 ft gain · High point 6,600 ft
An early season 50-miler on Antelope Island in the Great Salt Lake. Run with bison and pronghorn. A double loop course with surprising vertical gain and panoramic views of the Wasatch Front.
Lake Tahoe, CA/NV, California · 205 mi · 40,000 ft gain · High point 9,700 ft
A 205-mile circumnavigation of Lake Tahoe through the Sierra Nevada. Traverses the Tahoe Rim Trail and Pacific Crest Trail with massive vertical gain. Four full days and nights on the trail.
Moab, UT, Utah · 238 mi · 29,467 ft gain · High point 11,000 ft
238 miles through five desert mountain ranges in southeastern Utah. From red rock canyons to alpine peaks in the La Sal Mountains. Extreme temperature swings from desert floor to 11,000 ft summits.
Virgin, UT, Utah · 100 mi · 19,100 ft gain · High point 8,000 ft
100 miles through the stunning red rock canyons near Zion National Park. Technical desert singletrack, deep sand washes, and slickrock scrambles with massive views of southern Utah.
Honolulu, HI, Hawaii · 100 mi · 24,500 ft gain · High point 2,800 ft
Hawaii's notorious 100-miler through the Ko'olau Range on Oahu. Five 20-mile loops of extreme mud, roots, humidity, and technical jungle trail. One of the toughest 100s in the world despite low elevation.
Steamboat Springs, CO, Colorado · 100 mi · 20,000 ft gain · High point 10,400 ft
A stunning 100-miler through the Yampa Valley and Park Range near Steamboat Springs. Alpine meadows, aspen groves in fall color, and single track through the Routt National Forest.
Black Canyon City, AZ, Arizona · 62 mi · 8,200 ft gain · High point 7,100 ft
A fast and runnable 100K on the Arizona Trail through Black Canyon. Point-to-point with net downhill, desert terrain, and mild winter temperatures. A UTMB qualifying race.
Foresthill, CA, California · 100 mi · 22,000 ft gain · High point 7,000 ft
Shares trails with Western States and serves as a top WSER qualifier. 100 miles through the American River Canyon with technical singletrack, river crossings, and the iconic Cal Street climb.
Black Canyon City to Flagstaff, AZ, Arizona · 250 mi · 40,000 ft gain · High point 9,600 ft
250 miles across Arizona from desert to ponderosa pine. Traverses diverse ecosystems from Sonoran desert at 2,000 ft to alpine terrain above 9,000 ft. The premier 250-mile race in the American Southwest.
Kaysville to North Salt Lake, UT, District of Columbia · 50 mi · 11,000 ft gain · High point 9,000 ft
50 miles through Davis County's best trails with roughly 11,000 feet of vertical gain. 71% trail, 24% service road, 2.5 miles of paved road. A relentless 14.5-mile opening climb to Francis Peak sets the tone before rewarding singletrack through Mueller Park.
Salt Lake City to North Salt Lake, UT, Utah · 100 mi · 20,869 ft gain · High point 9,364 ft
100 miles point-to-point from Memory Grove Park below the Utah State Capitol through the Davis County Wasatch foothills. A 5,768 ft overnight climb to Francis Peak, the mandatory Summerwood out-and-back, and a 4,537 ft quad-destroying Bountiful Peak descent. The newest 100 on the Wasatch Front.
Courmayeur, Italy to Chamonix, France · 62 mi · 20,000 ft gain · High point 8,200 ft
The second-longest UTMB series race covers the most spectacular portion of the Mont Blanc circuit. From Courmayeur through Italy and Switzerland before finishing in Chamonix, the course crosses Grand Col Ferret and climbs to La Flégère with relentless alpine terrain.
Orsières, Switzerland to Chamonix, France · 34 mi · 11,500 ft gain · High point 7,380 ft
The shortest of the UTMB series races, but far from easy. A fast and furious course from Orsières through Champex-Lac to Chamonix with punchy climbs over Bovine and Tête aux Vents before the final descent.
Courmayeur, Italy to Chamonix, France · 90 mi · 29,855 ft gain · High point 8,860 ft
The most technical of the UTMB series races. Traversing wild and remote alpine terrain on the south side of the Mont Blanc massif with steep scrambles, exposed ridgelines, and sustained high-altitude passages. Not for the faint of heart.
Fuji-Kawaguchiko, Japan · 103 mi · 24,600 ft gain · High point 6,200 ft
A demanding circumnavigation of Mt. Fuji through dense forests, volcanic terrain, and lava fields. The course weaves around the iconic volcano with constant views of Fuji's snow-capped summit, passing through ancient Shinto shrines and pristine lakes.
Torres del Paine, Chile · 62 mi · 16,400 ft gain · High point 4,265 ft
Run through one of the most dramatic landscapes on earth at Torres del Paine National Park. Extreme Patagonian wind, unpredictable weather, and raw wilderness define this race. Glaciers, turquoise lakes, and granite towers surround the course.
Cape Town, South Africa · 62 mi · 14,765 ft gain · High point 3,560 ft
A stunning coastal and mountain ultra circling Table Mountain and the Cape Peninsula. The course combines dramatic ocean cliffs, fynbos-covered mountains, and technical rocky trails with views of the Atlantic and Indian oceans.
Vielha, Spanish Pyrenees · 65 mi · 21,325 ft gain · High point 9,186 ft
A demanding loop through the Spanish Pyrenees in the Val d'Aran region. The course features sustained high-altitude traverses, alpine lakes, wildflower meadows, and dramatic passes connecting remote mountain valleys.
Llanberis, Wales, UK · 100 mi · 24,935 ft gain · High point 3,560 ft
100 miles through the rugged mountains of Snowdonia National Park in North Wales. Traversing the Carneddau, Glyderau, and Snowdon massifs with steep rocky scrambles, boggy moorland, and dramatic coastal sections.
Cortina d'Ampezzo, Dolomites, Italy · 75 mi · 19,000 ft gain · High point 8,530 ft
A spectacular loop through the Dolomites starting and finishing in Cortina d'Ampezzo. The course passes beneath the iconic Tre Cime di Lavaredo and traverses dramatic limestone spires, alpine meadows, and World War I via ferrata paths.
Bagà, Catalan Pyrenees, Spain · 62 mi · 21,000 ft gain · High point 9,186 ft
A loop through the Cadí-Moixeró Natural Park in the Catalan Pyrenees. Known for its brutal vertical gain relative to distance, with sustained steep climbs and technical descents through beech forests, alpine meadows, and rocky ridgelines.
Salzburg, Austria · 62 mi · 15,100 ft gain · High point 6,234 ft
A scenic 100K loop through the Salzburg Alps, starting and finishing near Mozart's birthplace. The course traverses alpine pastures, rocky ridges, and dense forests with stunning views of the Austrian Alps and Bavarian foothills.
Sylacauga to Flagg Mountain, AL, Alabama · 100 mi · 18,000 ft gain · High point 2,800 ft
A point-to-point 100-mile race on the Pinhoti Trail through the Southern Appalachian mountains of Alabama. The course winds through remote forest, rocky ridgelines, and rolling terrain finishing atop Flagg Mountain, the southernmost peak over 1,000 feet on the Appalachian chain.
Hope to Cooper Landing, AK, Alaska · 100 mi · 16,000 ft gain · High point 3,500 ft
A remote Alaskan wilderness 100-miler on the Resurrection Pass Trail through the Chugach National Forest. Runners traverse alpine tundra, dense boreal forest, and glacially carved valleys with possible wildlife encounters including moose and bear.
Wrightwood to Pasadena, CA, California · 100 mi · 22,500 ft gain · High point 9,200 ft
One of the oldest 100-mile trail races in the country, traversing the San Gabriel Mountains from Wrightwood to Pasadena. Features extreme heat, massive elevation changes, exposed ridgelines, and a net descent of 5,000 feet. A true test of mountain fitness.
Julian to Pine Valley, CA, California · 100 mi · 16,500 ft gain · High point 5,800 ft
A challenging 100-miler through the desert mountains of San Diego County, running from Julian to Pine Valley. The course traverses chaparral, oak woodlands, and exposed desert ridgelines with summer heat adding to the difficulty.
Buena Vista, CO, Colorado · 50 mi · 9,500 ft gain · High point 10,800 ft
A scenic 50-mile loop through Colorado's high country near Buena Vista, surrounded by the Collegiate Peaks Wilderness. Spring conditions can bring snow, mud, and rapidly changing weather at altitude.
Beacon Falls, CT, Connecticut · 31 mi · 5,500 ft gain · High point 1,100 ft
A technical 50K loop through the rocky traprock ridges of central Connecticut. Runners navigate sharp basalt rock formations, steep scrambles, and rugged New England singletrack in early spring conditions.
Key Largo to Key West, FL, Florida · 100 mi · 100 ft gain · High point 18 ft
A flat coastal 100-miler running from Key Largo to Key West through the Florida Keys along US-1. With virtually zero elevation gain, the challenge comes from relentless heat, humidity, wind exposure, and the mental grind of flat road running across 42 bridges.
Vogel State Park, GA, Georgia · 68 mi · 17,000 ft gain · High point 4,400 ft
A brutal 68-mile loop through the North Georgia mountains on the Duncan Ridge and Coosa Backcountry trails. Despite being shorter than a 100-miler, the relentless climbing and technical terrain make this one of the hardest ultras in the Southeast.
Burgdorf, ID, Idaho · 100 mi · 22,000 ft gain · High point 8,800 ft
The Idaho Mountain Trail Ultra Fest is a remote 100-mile loop through the mountains near the Frank Church Wilderness in central Idaho. The course features steep climbs, river crossings, and some of the most isolated terrain of any US 100-miler.
Dixon, IL, Illinois · 100 mi · 3,500 ft gain · High point 720 ft
A fast, flat 100-miler along the Hennepin Canal Parkway towpath in northern Illinois. The crushed gravel surface and minimal elevation change make this an ideal course for runners targeting a fast 100-mile finish or first-time 100-miler.
Vienna, IL, Illinois · 100 mi · 2,500 ft gain · High point 440 ft
One of the fastest 100-mile courses in North America, following a flat crushed limestone rail trail through southern Illinois. The course passes through a historic railroad tunnel and is a favorite for runners chasing PRs and 100-mile buckles.
Albion, IN, Indiana · 31 mi · 3,000 ft gain · High point 1,050 ft
A winter 50K trail race through Chain O'Lakes State Park in northeastern Indiana. Runners navigate multiple loops on rolling wooded trails with potential snow and ice adding to the challenge of this beloved Midwest winter ultra.
Cassoday, KS, Kansas · 100 mi · 5,000 ft gain · High point 1,600 ft
A 100-mile journey through the Flint Hills tallgrass prairie of central Kansas. The gently rolling grass trails and gravel roads traverse one of the last remaining expanses of tallgrass prairie in North America, offering wide-open views and big sky running.
Golden Pond, KY, Kentucky · 37 mi · 4,500 ft gain · High point 800 ft
A scenic 60K loop through the Land Between the Lakes National Recreation Area in western Kentucky. The course follows rolling terrain between Kentucky Lake and Lake Barkley, traversing wooded trails and offering early-season racing in the Midwest.
Boonsboro to Williamsport, MD, Maryland · 50 mi · 5,500 ft gain · High point 2,400 ft
The oldest ultramarathon in North America, first run in 1963. The course traverses the Appalachian Trail over South Mountain, follows the C&O Canal towpath, and finishes along the Potomac River. A rite of passage for East Coast ultrarunners.
Marquette, MI, Michigan · 50 mi · 7,500 ft gain · High point 1,600 ft
A scenic 50-miler along the Lake Superior shoreline and North Country Trail in Michigan's Upper Peninsula. Runners navigate rocky technical singletrack, beach sections, and dense forest with views of Lake Superior throughout.
Pinckney, MI, Michigan · 100 mi · 11,000 ft gain · High point 1,200 ft
A looped 100-miler through the Pinckney and Waterloo Recreation Areas in southeastern Michigan. Four 25-mile loops on rolling wooded trails with the autumn foliage providing a scenic backdrop. The repetitive loops test mental fortitude.
Carlton to Duluth, MN, Minnesota · 50 mi · 7,500 ft gain · High point 1,600 ft
A point-to-point 50-miler on the Superior Hiking Trail from Carlton to Duluth, Minnesota. The course traverses rugged North Shore terrain with rocky singletrack, river crossings, and views of Lake Superior. A classic Great Lakes ultra.
Steelville, MO, Missouri · 100 mi · 18,000 ft gain · High point 1,600 ft
A rugged point-to-point 100-miler on the Ozark Trail through the Missouri Ozarks. Extremely rocky terrain with sharp limestone, relentless short climbs, and technical creek crossings. Known as one of the rockiest 100-milers in the country.
Big Sky, MT, Montana · 31 mi · 10,500 ft gain · High point 11,166 ft
Extreme mountain running at Big Sky Resort in Montana. The course features Class 3 scrambling, knife-edge ridgelines, and sustained above-treeline exposure. Part of the Skyrunner World Series, this is one of the most technical mountain races in North America.
Jemez Springs, NM, New Mexico · 50 mi · 9,500 ft gain · High point 9,200 ft
A challenging loop through the volcanic terrain of the Jemez Mountains in New Mexico. The course traverses ancient volcanic calderas, pine forests, and high desert mesas with stunning views of the Valles Caldera National Preserve.
Windham, NY, New York · 30 mi · 9,200 ft gain · High point 3,800 ft
Widely considered the most brutal 30-mile trail race in the Eastern United States. The course follows the Escarpment Trail along the Catskill Mountain ridge with relentless steep climbs and descents over rocky, rooty terrain. No aid beyond water at a few locations.
Ithaca, NY, New York · 50 mi · 10,000 ft gain · High point 1,400 ft
A challenging 50-mile loop through the Finger Lakes region of New York, featuring stunning gorges, waterfalls, and technical singletrack. The course passes through Robert Treman and Buttermilk Falls State Parks with constant elevation changes in and out of gorges.
Troy, NC, North Carolina · 100 mi · 16,000 ft gain · High point 1,200 ft
A 100-mile loop through the ancient Uwharrie Mountains of North Carolina. Despite modest elevations, the course is relentlessly technical with rocky and rooty singletrack, constant short climbs, and February conditions that can range from ice to mud.
Willoughby Hills, OH, Ohio · 100 mi · 10,000 ft gain · High point 1,000 ft
A fast and runnable point-to-point 100-miler through the Cuyahoga Valley in Ohio. Following the Buckeye Trail and Towpath Trail, this is one of the most accessible Midwestern 100-milers with well-maintained trails and frequent crew access points.
Loudonville, OH, Ohio · 100 mi · 14,000 ft gain · High point 1,400 ft
A looped 100-miler through the Mohican State Forest in Ohio. The course features rolling forested singletrack, creek crossings, and moderate but persistent elevation changes through one of Ohio's most scenic state forests.
Cascade Locks, OR, Oregon · 62 mi · 14,000 ft gain · High point 2,600 ft
A spectacular loop through the Columbia River Gorge featuring dozens of waterfalls, Eagle Creek Trail, and stunning Pacific Northwest old-growth forest. Early spring conditions can include rain, mud, ice, and creek crossings.
Willamette Pass, OR, Oregon · 62 mi · 11,000 ft gain · High point 7,200 ft
A loop through the Cascade Range volcanic terrain surrounding Waldo Lake in Oregon. The course traverses lava fields, old-growth forests, and alpine meadows with views of Diamond Peak and the Three Sisters.
Ashland, OR, Oregon · 100 mi · 20,000 ft gain · High point 7,800 ft
A demanding point-to-point 100-miler from the Cascades to the Siskiyou Mountains in Southern Oregon. The course traverses incredibly diverse terrain from high alpine meadows to dense old-growth forest to dry chaparral. One of Oregon's toughest ultras.
Waterville, PA, Pennsylvania · 100 mi · 20,000 ft gain · High point 2,600 ft
The most challenging 100-miler in the Eastern United States. The course loops through Pine Creek Gorge, known as the 'PA Grand Canyon,' with relentless rocky climbs, steep descents, and sustained technical terrain through remote Pennsylvania wilderness.
Forksville, PA, Pennsylvania · 62 mi · 12,000 ft gain · High point 2,400 ft
A looped 100K through Worlds End State Park in the Endless Mountains of Pennsylvania. The course features endless switchbacks, deep gorges, and sustained climbing through one of Pennsylvania's most remote and scenic state parks.
Witherbee, SC, South Carolina · 31 mi · 500 ft gain · High point 50 ft
A flat 50K on the Palmetto Trail through Francis Marion National Forest in the South Carolina Lowcountry. The course traverses swampy terrain, sandy trails, and pine forests with minimal elevation change. One of the flattest ultras in the country.
Sturgis, SD, South Dakota · 100 mi · 16,000 ft gain · High point 5,800 ft
A point-to-point 100-miler through the Black Hills National Forest on the Centennial Trail in South Dakota. The course passes through ponderosa pine forests, granite spires, and mountain meadows with views of the Cathedral Spires and Harney Peak area.
Dorena Landing, TN, Tennessee · 314 mi · 15,000 ft gain · High point 1,200 ft
The Last Annual Vol State Road Race — a 314-mile road ultra across the entire state of Tennessee from Dorena Landing to Castle Rock, Georgia. Runners navigate on their own with no aid, no crew, and brutal July heat. One of the most extreme endurance events in the world.
Bandera, TX, Texas · 62 mi · 10,000 ft gain · High point 2,600 ft
Hill Country State Natural Area. Rocky Texas hill country terrain with rugged limestone trails, creek crossings, and relentless rolling hills. A classic winter ultra in the Texas Hill Country.
Huntsville, TX, Texas · 100 mi · 6,500 ft gain · High point 420 ft
Huntsville State Park. One of the fastest looped 100-mile courses in the country. Five 20-mile loops on smooth, runnable pine forest trails around Lake Raven. A great first 100.
West Windsor, VT, Vermont · 100 mi · 17,000 ft gain · High point 2,800 ft
A classic New England 100 through the Green Mountains of Vermont. Rolling terrain on dirt roads, singletrack, and ski trails. One of the original Grand Slam of Ultrarunning races.
Woodstock, VA, Virginia · 100 mi · 18,000 ft gain · High point 3,200 ft
Massanutten Mountain and Shenandoah Valley. A rugged loop through the George Washington National Forest featuring rocky Appalachian ridgelines and deep valley crossings. June heat adds to the challenge.
Harrisonburg, VA, Virginia · 100 mi · 19,500 ft gain · High point 3,600 ft
MMT 100 — one of the hardest Eastern 100-milers. Rocky ridgeline running on the Massanutten Mountain in the George Washington National Forest. Relentless rocks and extreme vert define this brutal Virginia race.
Swoope, VA, Virginia · 100 mi · 23,000 ft gain · High point 4,000 ft
George Washington National Forest. Appalachian brutality at its finest with 23,000 feet of climbing through rugged mountain terrain. One of the toughest 100s in the Eastern US.
Easton, WA, Washington · 100 mi · 22,500 ft gain · High point 5,800 ft
Central Cascades on the Pacific Crest Trail. Alpine meadows, mountain passes, and dense Pacific Northwest forest. A stunning and challenging mountain 100 in Washington state.
Randle, WA, Washington · 200 mi · 44,000 ft gain · High point 6,200 ft
Through the Cascades past Mt. St. Helens, Mt. Adams, and Mt. Rainier. A 200-mile journey through volcanic wilderness with massive elevation changes and remote terrain. One of the original 200-milers.
La Grange, WI, Wisconsin · 50 mi · 5,000 ft gain · High point 1,050 ft
Ice Age National Scenic Trail. Rolling glacial terrain through southern Wisconsin's kettle moraine landscape. A runnable point-to-point course on the Ice Age Trail with spring wildflowers.
Blairsville, GA, Georgia · 100 mi · 26,000 ft gain · High point 4,600 ft
North Georgia mountains on the Duncan Ridge Trail. Extreme vertical gain for an Eastern 100 with relentless climbing and technical Appalachian singletrack. Not for the faint of heart.
Snowbird, UT, Utah · 31 mi · 11,000 ft gain · High point 11,000 ft
Karl Meltzer's legendary mountain race at Snowbird ski area. A skyrunning classic with extreme alpine terrain, scree fields, and exposed ridgelines above 10,000 feet. One of the gnarliest 50Ks in the country.
Lakewood, CO, Colorado · 62 mi · 6,500 ft gain · High point 6,300 ft
Bear Creek Lake Park. A fast and runnable Colorado 100K on trails through Bear Creek Lake Park near Denver. Looped course with moderate elevation and scenic lakeside running.
Hatch, UT, Utah · 100 mi · 18,000 ft gain · High point 9,200 ft
Red rock and hoodoos near Bryce Canyon National Park. High altitude desert mountain running through stunning red rock landscapes with significant elevation changes. A scenic and challenging mountain 100.
Pine, AZ, Arizona · 100 mi · 20,000 ft gain · High point 7,800 ft
Mogollon Rim and Highline Trail. One of the hardest Arizona ultras with relentless climbing along the Mogollon Rim and through ponderosa pine forests. September heat and altitude combine for a brutal experience.
Talimena State Park, OK, Oklahoma · 100 mi · 15,000 ft gain · High point 2,600 ft
Ouachita National Recreation Trail. Remote and self-supported sections through the Ouachita Mountains of Oklahoma and Arkansas. Rocky ridgeline running with beautiful fall foliage.
Lynchburg, VA, Virginia · 50 mi · 9,000 ft gain · High point 3,000 ft
Blue Ridge Mountains. A classic Virginia 50-miler on the Appalachian Trail and Blue Ridge Parkway. Rolling Appalachian terrain through fall foliage with fast, runnable sections.
North Ogden, UT, Utah · 101.78 mi · 21,600 ft gain · High point 9,667 ft
101.78 miles through the Wasatch Range above Ogden, Utah. 21,600 feet of climbing. Two summit zones above 9,000 feet. A mandatory car shuttle. 40 miles without crew access. Described by 2025 finishers as harder than Bear 100 and Wasatch.
La Sal Mountains, Moab, UT, Utah · 100 mi · 26,050 ft gain · High point 12,230 ft
The highest race in Utah. 100 miles averaging 8,700 feet with a 12,272-foot summit on Mann's Peak. Temperature swings of 60+ degrees, monsoon risk, and no low-valley recovery zones. One of the most underestimated 100s in the West.
Kaysville to Midway, UT, Utah · 100.02 mi · 26,000 ft gain · High point 10,462 ft
Utah's original 100. Point-to-point across the Wasatch Range from Kaysville to Soldier Hollow. A 4,400 ft opening wall, relentless ridgeline climbing, and the tightest cutoffs in Utah ultra running. Since 1980.
Beaver, UT (Eagle Point Ski Resort), Utah · 63.5 mi · 16,085 ft gain · High point 11,357 ft
63.5 miles through the Tushar Mountains of southern Utah. 16,085 feet of climbing. Never drops below 8,855 feet. Every aid station, every descent, every rest section happens above the elevation where most races reach their hardest climbing. Organized by Aravaipa Running.
Provo Canyon, UT (Vivian Park), Utah · 51.66 mi · 13,580 ft gain · High point 9,323 ft
Utah's oldest 50-miler. 51.66 miles through the Wasatch Mountains above Provo — a true mountain loop with no repeated sections. 13,580 feet of climbing, five major climbs, snow patches in June, and a 4,000-foot descent off Windy Pass to the finish. 90% finish rate. 30 years running.
Tooele County, UT (Oquirrh Mountains), Utah · 52.5 mi · 14,000 ft gain · High point 10,006 ft
52.5 miles through the Oquirrh Mountains west of Tooele. 14,000 feet of vertical. 98% mining roads and ATV trails. Two summits of Porphyry Hill. A 10,006-foot Bald Mountain East summit at mile 45. The Lion Hill Loop — hit three times. Designed by someone who knows every inch of the Oquirrhs.
Silverton, CO, Colorado · 103.7 mi · 25,127 ft gain · High point 12,468 ft
103.7 miles through the San Juan Mountains of southwest Colorado. 25,127 feet of climbing. A high point at 12,468 feet. Never drops below 8,428 feet. 11 aid stations spread across some of the most remote terrain in American ultra running. The name is a joke — this is one of the hardest 100-milers in the country.