Running Pace and Race Times: A Runner's Guide
How to work out your pace, predict a race finish time across distances, pace a race with even splits, and track your fitness — the numbers that help runners train smarter and race better.
Swim Pace Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Pace per 100 m (minutes)
2.00
- Speed (m/s)
- 0.83
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Swim Pace Calculator
The Swim Pace Calculator works out your pace per 100 m (minutes), along with 1 related figure in an instant. Enter distance and time taken and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the distance.
- Enter the time taken.
- Read off your pace per 100 m (minutes), together with speed (m/s) — the calculator updates automatically, with no button to press.
Formula
The Swim Pace Calculator uses the formula:
Pace per 100 m (minutes) = Time taken ÷ Distance × 100
Worked example
For example, with distance of 400 metres and time taken of 8 minutes, the pace per 100 m (minutes) is 2.00.
| Distance | 400 metres |
|---|---|
| Time taken | 8 minutes |
| Pace per 100 m (minutes) | 2.00 |
|---|---|
| Speed (m/s) | 0.83 |
Results are estimates for educational use, not professional advice.
Frequently asked questions
Divide your time by the distance and multiply by 100 for the pace per 100 metres. Swimming 400 m in 8 minutes is a pace of 2 minutes per 100 m.
Per 100 metres is the standard swimming pace unit, letting you compare efforts across different distances and pool lengths.
A pace of 1.75 minutes per 100 m means 1 minute and 45 seconds, since 0.75 of a minute is 45 seconds.
It varies widely with ability. Recreational swimmers often pace around 2–2.5 minutes per 100 m, while competitive swimmers go well under 1.5.
Related guides
Swim Pace Table: Pace per 100 m (minutes) by Distance
Reference table of pace per 100 m (minutes) for Swim Pace across a range of distance values — exact, engine-computed figures you can read off at a glance.
How to Calculate Swim Pace: Formula, Steps & Examples
Learn how to calculate Swim Pace — the formula explained step by step, with worked examples and a free calculator to check your answer.