Athlete OS

The data-driven engine for the global ultra running community. Input your training to unlock race matchmaking.

PULSE

race UTMB 2026: Courmayeur checkpoint updated

gear New Hoka Tecton X 3 review published

stat Manual Training Input is now LIVE

Training Profile (Last 4 Weeks)

YOUR ATHLETE GRIT 0.0

Unknown

This score represents your current endurance capacity based on recent volume and vertical intensity.

How it works

We use a weighted algorithm that balances horizontal volume (km) against vertical density (D+/km). A higher score unlocks compatibility with more technical mountain ultras.

Find Compatible Races