Did the following set:1500m Easy500m Pull250m (25 butterfly / 25 breast stroke)125m backstroke125m freestyle400m fast (7m02) - fast considering how tired my arms were300m easy200m (4x50m sprint on 1 min)600m moderate1000m easy - 20minwas very happy overall. 1h42 RickS Member July 2013 I believe it has been said before.After 5k in a pool the same distance in open water is an absolute joy.