Afz (afz_non_quit)

Race #1

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Official speed 165.16 wpm (24.63 seconds elapsed during race)
Race Start December 23, 2020 11:07:23am UTC
Race Finish December 23, 2020 11:07:48am UTC
Outcome Win (1 of 3)
Accuracy 100.0%
Points 170.66
Text #408 (Length: 339 characters)

There are two kinds of fibers in our muscles, red and white. When an athlete trains for long distance running, he or she builds more red muscle fibers than white muscle fibers in his calf muscles. A sprinter has more white muscles. If you retrain a marathon runner to be a sprinter, most of the muscle fibers will convert to white muscles.