If you're going to be racing or running long in hot weather your pre-run hydration is critical to your performance comfort and safety.

无论你是要在炎热的室外快速短跑或者长跑，比赛前的充足的喝水量将对你跑步时的表现，舒适度和安全度起到很大的作用。

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If you're going to be racing or running long in hot weather, your pre-run hydration is critical to your performance, comfort, and safety.

无论你是要在炎热的室外快速短跑或者长跑，比赛前的充足的喝水量将对你跑步时的表现，舒适度和安全度起到很大的作用。

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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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We want to train better, though we do not have the resources of high performance racing team.

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The racetrack is also trying to lure in more environmentally friendly high-performance racing series such as the TTXGP Zero-Carbo Electric Motorcycle Racing Series.

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This small-cap owns and operates a number of speedways across the U.S., while it also owns the Performance Racing Network as well, giving it some level of diversification.

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