on your marks, get set, go!

on your mark(s), get set, go

An instruction to begin something, typically some kind of competition. The phrase is commonly used at the beginning of a race to indicate when the competitors can start. Is everyone ready? OK then, on your mark, get set, go!
See also: get, go, on

on your ˌmarks, get ˌset, ˈgo!

used to tell runners in a race to get ready and then to start: He raised the starting gun.‘On your marks, get set, go!’ he shouted, and fired into the air.
See also: get, on