45 min of core followed by swim which went as follows
500 warm - up
500 pull
100 easy
1 x 100 on 2:10
1 x 100 on 1:45
1 x 100 on 2:10
2 x 100 on 1:45
1 x 100 on 2:10
3 x 100 on 1:45
1 x 100 on 2:10
4 x 100 on 1:45

2500 m total

Total time: 1 hour 45 minutes