horse racing

US /ˈhɔːrs ˌreɪ.sɪŋ/
UK /ˈhɔːrs ˌreɪ.sɪŋ/
"horse racing" picture
1.

the sport of racing horses, especially thoroughbreds, often with betting involved

:
He loves going to the track to watch horse racing.
The Kentucky Derby is a famous horse racing event.