Swimming intervals 40:00 [4] 2.0 km (20:00 / km)
12x25 Every 3rd swim Fast, all others Easy on 10s rest
6x50 Steady on 10s rest
4x75 25 Easy, 25 Mod-hard, 25 Steady on 10s rest
3x100 Steady on 10s rest
2 x 400 off 50 seconds. 6.37's.
Good session to start with and way in front of where I thought it would be.