The Doomben 10,000 is a Group 1 Australian Thoroughbred Weight for Age horse race, run over a distance of 1350 metres at Doomben Racecourse, Brisbane in May. The race was originally called the T.M. Ahearn Memorial but was changed to the Doomben 10,000 after the 10,000 pounds prize money on offer. At the time this was the richest sprint in Australia. Total prizemoney is AUD$650,000 and a AUD$6,600 trophy.
- 1934 to 1941 held over 6 furlongs (approx 1200 metres).
- 1942 to 1972 held over 7 furlongs (approx 1400 metres).
- 1973 onwards held over 1350 metres.