2583Abu DawoodSahih Maqtu' (Al-Albani)حَدَّثَنَا ابْنُ الْمُثَنَّى، حَدَّثَنَا عَبْدُ الأَعْلَى، عَنْ سَعِيدٍ، عَنْ قَتَادَةَ، قَالَ الْجَلَبُ وَالْجَنَبُ فِي الرِّهَانِ .Qatadah said "Taking another horse behind one's horse to urge it on and taking another horse at one's side are (done) in a horse race.Reference: Sunan Abi Dawud 2582 In-book : Book 15, Hadith 106 English translation : Book 14, Hadith 2576