What is UltraRunning.ai?

The definitive ultrarunning ecosystem combining adaptive AI coaching, race logistics planning, and performance analytics for athletes pushing their limits.

AI Race Planner

Race Planner

Upload a GPX file or course map image to get AI-generated split times, a personalized nutrition schedule, and heart rate zone targets.

Enter Race Details

Best results 2–3 weeks before your race. Generating closer to race day means your fitness data, taper status, and weather forecast are all at peak accuracy for truly personalized recommendations.

Race Name

Race Date

Race Location

Used to fetch live weather forecast

Course GPX FileUpload a GPX or a course map image below

Course Map ImageOptional, screenshot of the elevation profile, aid station chart, or course map

Aid Stations

No aid stations added. Add them to get crew timing, drop bag planning, and nutrition checkpoints in your plan.

Goal Flat Pace (MM:SS per mile)

Experience Level

Terrain Type

Race Conditions

Heat Conditions (for nutrition)

Body Weight (lbs)

Max Heart Rate (bpm)

Estimate: 220 − your age

Upload a GPX file or course image to enable generation

Race Planner

Welcome to Ultrarunning.ai