E dog (evan819)

Race #638

View Pit Stop page for race #638 by evan819Ghost race

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Official speed 89.64 wpm (45.38 seconds elapsed during race)
Race Start January 29, 2011 1:08:48am UTC
Race Finish January 29, 2011 1:09:34am UTC
Outcome No win (2 of 4)
Points 0.00
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.