(14) باب السَّبَقِ
It was narrated that Abu Hurairah said:
"No award (for victory in a competition) is permissible except over camels or horses." (ID)
Reference (ID): Sunan an-Nasa'i 3587 (ID)
In-book reference (ID): Book 28, Hadith 27 (ID)
English translation (ID): Vol. 4, Book 28, Hadith 3617 (ID)