Sunan an-Nasa'i 3588
سنن النسائي#3588SahihIt was narrated that Anas said:"The Messenger of Allah had a she-camel called Al-'Adba' which could not be beaten. One day a Bedouin came on a riding-camel and beat her (in a race). The Muslims were upset by that, and when he saw the expressions on their faces they said: 'O Messenger of Allah, Al-'Adba' has been beaten.' He said: 'It is a right upon Allah that nothing is raised in this world except He lowers it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 28:28