Rowing Machine 30:00 [3] 7.36 km (4:05 / km)
ahr:143 max:158
7362 meters
This is actually not bad, but again, I didn't intend it to be a hard effort.
First 17 minutes or so were really kept at 20 spm. The next 2 or so crept up to 22-23, and the 11-10 minute at 23.
Then, for last 10, decided to go aerobic at 28-30 spm. Splits came down to 157-158.