And if you slowly lengthen the distance of your longest run, you can slowly build up endurance.

如果你慢慢的增加你的最长距离，你就可以慢慢增加你的耐力。

youdao

If a distance runner practices speed work for the whole practice every day, he will not improve his endurance.

如果一名中长跑选手每天只进行速度练习，那么他将不能提高自己的耐力。

youdao

Endurance. I don't know if my physical endurance has been improved because high endurance is the norm for me (I've previously done a lot of distance running).

我不知道我的身体机能是否有所改善，因为我的身体一直不错(我经常参加长跑)。

youdao

It is said to be most-useful to athletes in endurance sports such as cycling and distance-running.

VOA: special.2011.04.12

To test this watch, I gave it to the head of our running club, a famous older man who did Ironman Triathalon, and long distance endurance events.

FORBES: Richard Thalheimer's Entrepreneurship Advice