Runner Tools

Data-Driven Tools for Smarter Racing

Free calculators and analytics tools built on real race data from thousands of events. Plan smarter, race faster.

Pace Equivalency Calculator

Predict your finish time at a new race based on a previous result. Accounts for course elevation, distance, and altitude differences.

See how your finish time stacks up against thousands of other runners. Get overall, age-group, and gender percentiles.

Find upcoming races ranked by your probability of setting a personal record, based on course difficulty, weather, and field size.

Compare two or three races side-by-side: elevation profiles, finish times, weather history, field sizes, and race fees.

All tools use real race data from thousands of events across the US. Explore races →