I know this is an old thread, but I just joined this board a few weeks ago and swimming is my principle form of exercise.
Where do you swim? At the gym across the street from my office. Usually from 7:45 AM to 8:45 AM (2000 yards if swimming, 1,700 if kicking).
Do you belong to a Masters club or similar? No. I started swimming at age 38 when I wanted to start doing triathlons. I’m 60 now and haven’t done a tri in quite a while.
Did you “bonk” prior to going keto? Do you still “bonk”? The only time I’ve ever bonked in real life is at mile 21 of a marathon. I ran two marathons, Scottsdale Fiesta Bowl in 1984 and 1985. I swam an open water 5K a couple years ago and did not bonk. I would imagine I would have bonked about 3/4 of the way through a 10K but I’ve never swum that far. I certainly don’t bonk now, but I’m not very fast.
Notice any differences in speed or power in the pool or lake? I seem to have unlimited endurance, but not much speed. If I stay in aerobic zone 2, I can swim all day long.
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