Calculate your running pace, speed and projected finish time — in km or miles — with common race distances preset.
Find your pace from a time, or your finish time from a pace.
5K, 10K, half and full marathon, plus custom distances.
Pace shown in min/km and min/mile, speed in km/h and mph.
Projected time at 1km, 5km and halfway checkpoints.
Sleep, fuel and pet age calculators are ready when you are.