Peter (polpeti)

Race #40

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Official speed 47.21 wpm (86.17 seconds elapsed during race)
Race Start November 24, 2017 5:40:15pm UTC
Race Finish November 24, 2017 5:41:41pm UTC
Outcome No win (4 of 5)
Accuracy 96.0%
Points 48.78
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.