Tools for analyzing, planning, and reviewing running data.
Tools
2 available
- Race Split Planner Grade-adjusted mile splits for a GPX course and a goal finish time.
- Pace Calculator Solve for pace, time or distance given the other two.
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More tools in development Added as they are built.
Models and data
Every tool states the model it uses and cites it where a citation exists. Where a figure is a heuristic rather than a fitted result, the tool says so, and says how far to trust it. The methodology covers each tool in turn.
There are no accounts. Uploaded files are parsed to produce your results and discarded in the same request.