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Categorically, no. 1) As ab2 said, you need experience. You need to learn how much you can do (note that hiking endurance isn't very related to how one performs in sports--my nephew is 10 year...
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Categorically, no. 1) As ab2 said, you need experience. You need to learn how much you can do (note that hiking endurance isn't very related to how one performs in sports--my nephew is 10 year...