RaceSplit Calculator

Solve any pace question in seconds, then take the splits with you to the start line.

RaceSplit Calculator turns the three numbers every runner juggles — time, distance and pace — into one clean calculation. Enter any two, get the third instantly, in metric or imperial.

WHAT YOU CAN DO
• Pace solver — enter time and distance for pace, or pace and distance for a finish time
• Full split charts — every kilometre and every mile for your target, ready to read mid-race
• Pace and speed tables — convert min/km, min/mile, km/h and mph at a glance
• Classic race distances — 5K, 10K, half and full marathon presets

BUILT FOR REAL TRAINING
Planning a negative split? Chasing a sub-4 marathon? Pacing a long run off a goal race pace? The split chart shows exactly what each checkpoint should read, so you can stop doing arithmetic while your heart rate is at 170.

NO NOISE
No account, no ads, no tracking, no internet permission. Open it, get your number, close it. Everything runs on your device.