Notes
first swim since B2B
started off with 4 laps straight (times for first 2 were decent, then dropped off quick:
1 - 50
2 - 57
3 - 65
4 - 72 (!!!)
then took a break, and swam 50s for the rest of the time (with short breaks between):
5 - 65
6 - 68
7 - 68
8 - 66
9 - 65
10 - 64
11 - 65
12 - 67
13 - 68