Sunan Abi Dawud 683
سنن أبي داود#683SahihAbu Bakrah said that he came to the mosque when the prophet (ﷺ) was bowing. So I bowed outside the row (before joining it). The prophet (ﷺ) said; May Allah increase your eagerness! But do not do it again
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Bukhari (783)
In-book reference: 2:293