Narrated by:Abdullah ibn Umar
Narrated Abdullah ibn Umar:The Prophet (ﷺ) used to make lean by training horses which he employed in the race.
حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا مُعْتَمِرٌ، عَنْ عُبَيْدِ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ نَبِيَّ اللَّهِ صلى الله عليه وسلم كَانَ يُضَمِّرُ الْخَيْلَ يُسَابِقُ بِهَا .
AbuDaud
Jihad (Kitab Al-Jihad) • Hadith 2576