Swim Pace Calculator
1.5 km in 35 minutes is a pace of 2:20 per 100 m
Swimming 1.5 km in 35 minutes requires a pace of 2:20 per 100 m (23:20 per km / 37:33 per mile). This distance is the Olympic triathlon swim (1500 m).
At 2:20/100 m, each 25 m lap takes 0:35 and each 50 m length takes 1:10. To check a different time for 1.5 km, or to explore pool and open-water splits, use the calculator below.
Pace breakdown
| Distance | 1.5 km |
| Target time | 35 minutes |
| Pace per 100 m | 2:20 |
| Pace per km | 23:20 |
| Pace per mile | 37:33 |
Training paces at 2:20/100 m
Derived from your 2:20/100 m race pace using the same formula as the Swim Pace Calculator.
| Easy (warm-up / recovery) | 2:41/100 m |
| Aerobic base | 2:27/100 m |
| Threshold | 2:13/100 m |
| Build sets | 2:06/100 m |
| Sprint intervals | 1:59/100 m |
| Lap pace (25 m pool) | 0:35/lap |
Try a different time for 1.5 km
- 1.5 km in 20 minutes = 1:20/100 m
- 1.5 km in 23 minutes = 1:32/100 m
- 1.5 km in 25 minutes = 1:40/100 m
- 1.5 km in 28 minutes = 1:52/100 m
- 1.5 km in 30 minutes = 2:00/100 m
- 1.5 km in 33 minutes = 2:12/100 m
- 1.5 km in 35 minutes = 2:20/100 m
- 1.5 km in 38 minutes = 2:32/100 m
- More times available above and below
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.