"You have to think of hills within the context of the whole run," says Jenny Hadfield, coauthor of Marathoning for Mortals.
“你得将山坡纳入到你整个跑步计划中来，”Jenny Hadfield说，她是《人类马拉松》一书的合著者。
"You have to think of hills within the context of the whole run," says Jenny Hadfield, coauthor of Marathoning for Mortals.
“你得将山坡纳入到你整个跑步计划中来，”Jenny Hadfield说，她是《人类马拉松》一书的合著者。
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