The average age for a pro football player would be 25 years old because that's around the time all the bones in a human body have developed. When they are finished being developed they are big strong bones for mostly healthy people. You can sprint faster and its easier to tackle someone when your 25 with these developed bones than tackling someone when you're 35. The average age for an ultra marathon runner would be 35 years old mostly because a person ages and when people start aging, their bones get weaker. Being an ultra marathon runner is not as crazy and rough as football so you wouldn't need to use a lot of your muscles like you would in football.
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AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
May 2014
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