Swim Pace Calculator
Pace per 100 m from distance and time.
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Formula
pace/100m = (time ÷ distance) × 100
Pool swimming pace is usually quoted as mm:ss per 100 metres.
Worked example
400 m in 6:30 is 1:37.5 per 100 m.
Where this can give the wrong answer
- Open water adds navigation and current.
- Turns and push-offs affect pool splits.
- Wetsuit buoyancy speeds open water.
FAQ
- Use 400 m and 200 m times separately for critical swim speed — this is single-effort pace.