对于跑步者们来说有刺痛感和疼痛感的经历是很常见的，进行长距离项目的训练时尤为如此，比如半程或全程马拉松之类的。

It's common for runners to experience some aches and pains, especially if you're training for a long-distance event, like a half or full marathon.

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铁人三项是一项比赛，每位选手需要完成长距离的游泳、骑自行车和跑步项目。

Triathlon is a race in which each person swims, rides a bicycle and runs over very long distances.

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在所有的长距离跑项目中，马拉松是对人生理和心理的最大挑战。

Of all the distance running events, the marathon presents the greatest challenges both physically and mentally.

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