You should wear racing shoes if you have a biomechanically efficient stride, don't have any current injuries, and want an exceptionally fast, lightweight shoe for RACES.

如果你想提高成绩，没有遭受伤病困扰，并且寻找一双异常快速、轻便的鞋参加比赛，那么你应该穿着赛跑鞋。

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You should wear performance-training shoes if you are a runner who wants a light, well-balanced shoe suitable for racing, speedwork, or daily training.

如果你在为竞赛、速度练习或者日常训练寻找一双轻便、平衡性好的跑鞋，那么性能训练跑鞋就是你的选择。

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If shoes come off accidentally when the racing is starting, don't haste, and specially don't bend down to handle, or it may cause collision and tumbling.

比赛出发时，如果跑鞋意外脱落，不要慌张，更不能弯腰处理，避免发生拥挤和摔倒。

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"It was hard to hold myself back and I deliberately didn't fetch my racing shoes, " she said.

BBC: Pavey hopes to make the transition to marathon running

Asics evolved into a general sporting goods maker, selling skiing, baseball, swimming and golf products, and scored notable success with its running shoes, putting out a well-regarded line of high-end trainers and racing shoes.

FORBES: Magazine Article

Dr Mahdavi is working on other lattice structures, including aerodynamic body parts for racing cars and special insoles for a firm that hopes to make the world's most comfortable stiletto-heeled shoes.

ECONOMIST: 3D printing