HARDN — Ultra Running Race Execution Platform for Ultra Marathons

HARDN: ultra running race execution platform. AI training plans, crew coordination, live GPS tracking, nutrition planning & cutoff management for ultra marathons.

Built for Ultra Runners

HARDN is a comprehensive trail running and ultramarathon training platform. Whether you're training for your first 50K or your tenth 200-miler, HARDN provides the tools you need.

AI Training Plans

Personalized progressive training plans with vert targeting that match your race's elevation demands. Plans adapt to your fitness level and training history.

Race Intelligence

Course recon with elevation profiles, aid station details, cutoff times, and segment breakdowns for 92+ iconic ultra marathons including Western States, UTMB, Leadville, and Hardrock.

Crew & Pacer Hub

Shareable real-time dashboard for your race crew and pacers. Estimated arrival times, nutrition plans, drop bag contents, and GPS tracking — all accessible from their phones without login.

GPS Race Mode

Live GPS tracking during your race with real-time elevation, pace, and position data streamed to your crew dashboard.

Nutrition Tracking

Daily food logging with USDA database search, AI-generated meal plans, and progressive gut training protocols for race-day fueling.

Performance Analytics

TSS, CTL, ATL, and TSB calculations with Performance Management Chart. Track training load, fitness, fatigue, and form.

HARDN Score™

Comprehensive race readiness metric combining fitness, plan completion, vert progression, freshness, taper status, consistency, and mental readiness.

Course Profiles

Study the terrain before race day: