Many runners, from beginners to advanced, run a half marathon during their marathon training as a confidence booster and a way to figure out their marathon goal time.
许多跑步者，无论是新手还是老手，会在马拉松训练的时候跑半程，以此来增强自信并确定马拉松的目标时间。
Many runners, from beginners to advanced, run a half marathon during their marathon training as a confidence booster and a way to figure out their marathon goal time.
许多跑步者，无论是新手还是老手，会在马拉松训练的时候跑半程，以此来增强自信并确定马拉松的目标时间。
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