Went for an hour swim yesterday at the NYC Parks pool in Chelsea, finally I can swim 100 yards which is 4 laps in the 25 yards pool. It wasn’t easy and I drank quite a mouthful of pool water doing that. In order to save energy, I am trying to kick once per leg for each stroke I take. Still struggling with breathing sideways, noticed that I was sinking when I tried to breathe sideways from the left side after the first lap. I suspect this might be caused by the way I kick or my pull.
Did a tempo run this evening with my running club in Central Park. We did a mile warm up, 6 miles tempo run at 6:40 min/pace and another mile cool down.
http://connect.garmin.com/activity/140714155
Tempo run is important to run a faster half-marathon or marathon because by running at the level close to our lactate threshold, we can prevent lactate acid from accumulating too fast in our muscles and that can prevent the onset of early fatigue.
