It's one of the top tests for 2year olds run over 6 furlongs at the york Ebor festival named after the prolific winner Gimcrack.
Horses like Royal Applaue Mill Reef and Rock of Gibralter have won it in the past
https://www.youtube.com/watch?v=cH1hn8aBDJY
https://www.youtube.com/watch?v=-KJZ3XSw3yM