70 laps last night.
I reached that point where I could have kept going forever. The hard part is actually getting to that point. It means pushing through the sore muscles and the body saying, "No, no, that's quite enough." I was shooting for 60 laps last night, but in the middle of my last set of 12, I felt the endorphins kick in and I knew I could keep going indefinitely. So I wound up doing a last set of 20 because I figured 70 was good enough since it is only my second week back. I had enough energy left in the last lap to ramp it up and sail past the people in the lanes on either side of me and touch the wall hard.
Am I gushing too much about swimming? Sorry, but it's kind of my favorite thing right now.