Ubaydullah bin Abdullah bin Aqram reported,

He was with his father at the plain of Namirah. He said, A group of riders passed by us and made their camels kneel by the side of the road. My father said, "My son, stay with your young livestock until I go to these riders and ask them some questions."He said, He approached them and I drew near him as well. The prayer was called, and there among them was the Messenger of Allah ﷺ. So I prayed with them, and it is as though I am still looking at the whiteness of the Messenger of Allah's ﷺ underarms whenever he prostrated.

Ahmad 16403

Sahih

قال حدثنا أبو نعيم حدثنا داود يعني ابن قيس قال حدثني

عبيد الله بن عبد الله بن أقرم الخزاعي قال حدثني أبي

أنه كان مع أبيه بالقاع من نمرة قال فمر بنا ركب فأناخوا بناحية الطريق فقال أبي أي بني كن في بهمك حتى آتي هؤلاء الركب فأسائلهم قال دنا منهم ودنوت منه وأقيمت الصلاة فإذا فيهم رسول الله ﷺ فصليت معهم وكأني أنظر إلى عفرتي إبطي رسول الله ﷺ إذا سجد

أحمد 16403صحيح
Contents
Reference
Commentary
Ayat
Collection
Musnad Ahmad
Book
Abdullah bin Aqram
Numbering
Darussalam 16403
Ahmad 16403