Swim Pace Calculator
3 km in 55 minutes is a pace of 1:50 per 100 m
Swimming 3 km in 55 minutes requires a pace of 1:50 per 100 m (18:20 per km / 29:30 per mile). This distance is a 3 km open-water distance.
At 1:50/100 m, each 25 m lap takes 0:28 and each 50 m length takes 0:55. To check a different time for 3 km, or to explore pool and open-water splits, use the calculator below.
Pace breakdown
| Distance | 3 km |
| Target time | 55 minutes |
| Pace per 100 m | 1:50 |
| Pace per km | 18:20 |
| Pace per mile | 29:30 |
Training paces at 1:50/100 m
Derived from your 1:50/100 m race pace using the same formula as the Swim Pace Calculator.
| Easy (warm-up / recovery) | 2:06/100 m |
| Aerobic base | 1:56/100 m |
| Threshold | 1:45/100 m |
| Build sets | 1:39/100 m |
| Sprint intervals | 1:34/100 m |
| Lap pace (25 m pool) | 0:28/lap |
Try a different time for 3 km
Want to calculate a different pairing? Open the Swim Pace Calculator to enter any distance and time, see pool and open-water splits, and build your training zones.