Swim Pace Calculator
2 km in 38 minutes is a pace of 1:54 per 100 m
Swimming 2 km in 38 minutes requires a pace of 1:54 per 100 m (19:00 per km / 30:34 per mile). This distance is a 2 km open-water benchmark.
At 1:54/100 m, each 25 m lap takes 0:29 and each 50 m length takes 0:57. To check a different time for 2 km, or to explore pool and open-water splits, use the calculator below.
Pace breakdown
| Distance | 2 km |
| Target time | 38 minutes |
| Pace per 100 m | 1:54 |
| Pace per km | 19:00 |
| Pace per mile | 30:34 |
Training paces at 1:54/100 m
Derived from your 1:54/100 m race pace using the same formula as the Swim Pace Calculator.
| Easy (warm-up / recovery) | 2:11/100 m |
| Aerobic base | 2:00/100 m |
| Threshold | 1:48/100 m |
| Build sets | 1:43/100 m |
| Sprint intervals | 1:37/100 m |
| Lap pace (25 m pool) | 0:29/lap |
Try a different time for 2 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.