Running Tools

Free calculators and tools to help you train smarter and race faster.

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Race Pace Calculator

Calculate your target race pace and get detailed km-by-km or mile-by-mile splits for any distance.

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Pace Charts

Quick reference pace charts for marathon, half marathon, 10K, and 5K. Compare multiple goal times at a glance.

Pace Charts by Distance

Marathon Pace Chart
42.2 km pace reference
Half Marathon Pace Chart
21.1 km pace reference
10K Pace Chart
10 km pace reference
5K Pace Chart
5 km pace reference