limit of endurance meaning in English

持久极限
持久限度

I was aching beyond my limit of endurance and i could not have any attention to see around
我来到博爱医院急诊看病，护士一听说我发烧，就不给挂号。
You run all the way home , testing your limits of endurance . " if only i make it to that pole ahead " . . . " i made it ! now to that tree . . .
你一路跑回家，测试你耐久力的极限。 “只要我能跑到那个电线杆那里” . . . “我做到了！那么，下面是到那颗树. . . ”