On your marks, get set, go!
Definition 1 of 1
Pro Tip 1/3Race Origin
This phrase originates from track events where runners take their positions before starting. 
At the school track event, the announcer shouted 'On your marks, get set, go!' and the kids dashed forward.
Pro Tip 2/3Sequence Matters
Each part tells racers what to do next; it's important to follow this sequence in races. 
The coach practiced 'On your marks, get set, go!' with us so we'd be ready for the order on race day.
Pro Tip 3/3Urgency Cue
The phrase creates a sense of urgency, signaling competitors to be ready for immediate action. 
Hearing 'On your marks, get set, go!', the swimmers knew they had to spring into the pool without delay.