Noun
flat race (plural flat races)
A race that takes place over open or clear ground.
Amongst the momentous occasions include the royal's wedding to first husband captain Mark Phillips on 14 November 1973, and her debut as a flat race jockey on 23 April 1985. Source: Internet
Ran a really flat race on comeback in the Jersey Stakes at Royal Ascot and doesn’t look up to this. Source: Internet