Ultra Running Hub
Athlete OS
The data-driven engine for the global ultra running community. Input your training to unlock race matchmaking.
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.