2 km in 50 minutes is a pace of 2:30 per 100 m

Swimming 2 km in 50 minutes requires a pace of 2:30 per 100 m (25:00 per km / 40:14 per mile). This distance is a 2 km open-water benchmark.

At 2:30/100 m, each 25 m lap takes 0:38 and each 50 m length takes 1:15. 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	50 minutes
Pace per 100 m	2:30
Pace per km	25:00
Pace per mile	40:14

Training paces at 2:30/100 m

Derived from your 2:30/100 m race pace using the same formula as the Swim Pace Calculator.

Easy (warm-up / recovery)	2:53/100 m
Aerobic base	2:38/100 m
Threshold	2:23/100 m
Build sets	2:15/100 m
Sprint intervals	2:08/100 m
Lap pace (25 m pool)	0:38/lap

Try a different time for 2 km

2 km in 27 minutes = 1:21/100 m
2 km in 30 minutes = 1:30/100 m
2 km in 33 minutes = 1:39/100 m
2 km in 35 minutes = 1:45/100 m
2 km in 38 minutes = 1:54/100 m
2 km in 40 minutes = 2:00/100 m
2 km in 45 minutes = 2:15/100 m
2 km in 50 minutes = 2:30/100 m

Faster: 45 minutes = 2:15/100 m

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.