Lab

Solve for pace, finish time, or distance -- fill in the two you already know.

Turn one recent race result into predicted times at other distances, plus training paces.

Build a printable km/mile split chart from your goal finish time.

Count down the days to race day and see a general taper window.

Estimate calories burned for a run from your body weight and distance.

Adjust your goal pace for hot, humid race-day conditions -- built for Southeast Asia racing.

See your age-graded percentage and open-class-equivalent time for any race result.

Estimate the carbs, fluids, and sodium you need per hour, and how many gels to carry.