Kinda odd to be labelling a swim as day 4, since there is no swimming in P90X, but whatever.
Anyway, short update because I have to catch a 6am flight and need to get to bed. Intended to do 1.5 miles (54 laps), but was cut short at 50 because the pool was closing. I got there a few minutes later than intended, and didn't go immediately after work because the local swim team uses up 6 of the 8 lanes until 8 pm.
Interesting note - when I got to lap 44, I knew I wasn't going to get another full 500 yds in, so I kicked up the intensity a little bit to try and maybe eek out an extra lap or two before I had to go. I figured each of those last six laps would be a solid two seconds faster than normal (down to about 48 seconds). Well, two of the six were about that much faster, the other four were either par for the course at that time (around 52 seconds), or only slightly faster at 51 seconds or so. Regardless, what I might toy around with is increasing intensity for the last ten laps or so - not so much to improve time (it won't make that much difference) - but more to see if I can locate any additional form streamlining improvements due to the increased drag. But also don't want to go too much more intense - because obviously the return on investment of time vs energy expenditure is very low - so anything I do I want to be done with an eye towards maximizing energy efficiency.
2500 yds - 42:26
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