PaceAce vs Pace Running Calculator

Calculate your splits for your next workout with PaceAce. PaceAce allows you to take a time and distance and calculate your splits with ease. Easy to use and even available on Apple Watch for those times when you don't have your phone! Created by Jake Derouin (CU Boulder XC/Track Athlete)

Pace — a simple, fast running pace calculator Distance, time and pace are linked: change any two, and Pace instantly works out the third. Set a target for your next race, or check your goal pace for a 5K, 10K, half or full marathon, in seconds. THE TRIANGLE THAT SOLVES ITSELF • Distance + time → your pace • Distance + pace → your finish time • Time + pace → the distance covered • Quick presets: 5K, 10K, 20K, half marathon, marathon, plus fine adjustments SPLITS • A km-by-km (or mile-by-mile) breakdown of your race • Plan your race strategy ahead of time: negative splits, even pacing… RACE TIME PREDICTOR • Estimate your finish times for 5K, 10K, half and full marathon from your current effort • Built on a proven prediction method (the Riegel formula) • Set a realistic race goal before you toe the line SAVED GOALS • Save several race scenarios (10K in 45 min, half in 1h50…) • Reload them in one tap to compare your race plans YOUR WAY • Metric (km) or imperial (miles, yards) • English or French Free, simple, no account required.