On Sundays, he runs 15 miles at a pace that's 30 seconds per mile slower than his marathon race pace.

在星期天，他用每英里30秒的速度一次跑15英里，这个速度比他的马拉松比赛速度要慢。

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On tempo days, he runs 4 miles at a pace that's 10 to 20 seconds per mile slower than 10-K race pace.

在节奏训练中，他用每英里10～20秒的速度一次跑4英里，这个速度比10-K的比赛稍慢。

youdao

For interval repeats, he runs 12 x 400 meters or 6 x 800 meters at slightly faster than his 5-K race pace.

在平时的间隔训练中，他用比5-K比赛速度稍快的速度跑12个400米或6个800米。

youdao

We have a good race pace and I think it's possible to be competitive tomorrow.

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