A 25-minute 5K pace and split calculation
Follow 5,000 metres and 1,500 seconds to exact pace, speed, and five cumulative kilometre splits.
Open exampleWorked steady-pace examples
Check the formula against realistic race goals
Two complete examples keep exact distance, rounded displays, speed, and cumulative splits visible.
2-hour half-marathon pace: 5:41/km and 9:10/mi
A 2-hour half marathon averages 5:41/km, 9:10/mi, and 10.55 km/h. See the exact 21.0975 km calculation and even splits.
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