You start by running 5 km, move up to a 10 km, then a half marathon.

你先跑5公里，再跑10公里，然后跑半程马拉松。

youdao

Tell everyone that you are running a half marathon! It helped me when people would ask me how my training was going.

告诉每个人你将参加半程马拉松！别人询问我的训练进度对我是有所帮助的。

youdao

Examples include: Breaking 4 hours in the marathon; Running the second half of the marathon faster than the first 13.1 miles; Defeating a rival; Running a personal best in the marathon.

例子有：在马拉松中跑进4小时；在马拉松的后半程比前半程快；超过一个竞争者；跑出马拉松的个人最好成绩。

youdao

The Great North Run is the world's most popular half-marathon road-running event, with more than 47, 000 competitors of all abilities.

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Then, one day when they were running a half-marathon together, Phil suffered an aneurism and was rushed to the hospital in a coma.

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After running my first half-marathon I was hobbled for six months with achilles tendonitis that required a trip to a sports medicine doctor and multiple physical therapy sessions.

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