Running tools
Running Tools & Calculators
Free calculators for pace, splits, training paces, and calories.
Pace Calculator
Calculate exactly how fast you need to run. Enter your distance and time to see your pace and detailed splits.
Open the toolPace Calculators
- Marathon Pace CalculatorTurn your marathon goal into a clear race-day plan. Get your average pace, kilometer-by-kilometer splits, and the exact checkpoints you need to confidently hit your target. Open the tool
- Half Marathon Pace CalculatorTurn your half marathon goal into a clear race day plan. Get your exact average pace, reliable 5K checkpoints, and a complete split table you can carry with you. Open the tool
Pace Charts
- Marathon Pace ChartSee your entire race at a glance. Find the exact pace for your target finish time, check your halfway split and major checkpoints, and print a clean copy to review before the starting gun. Open the tool
- Half Marathon Pace ChartSee your entire race at a glance. Find your goal pace, check your split times at every major checkpoint, and print a clean copy for race day. Open the tool
Training & Physiology
- VDOT CalculatorTurn your recent race result into a clear fitness score. Discover your exact training paces and see your predicted finish times for other race distances. Open the tool
- Race Time PredictorEnter a recent race result to instantly predict your finish times from 1K to the full marathon. See exactly how your current speed translates to other distances so you can set a realistic goal for your next race. Open the tool