Classement du contre-la-montre U23 des championnats d'Australie 2021
| 1. | Carter TURNBULL (InForm TMX Make) | 36:50.52 | |
| 2. | Conor LEAHY (InForm TMX Make) | 37:35.71 | +45.1 |
| 3. | Patrick EDDY (Team BridgeLane) | 38:30.31 | +1:39.7 |
| 4. | Riley FLEMING (Oliver’s Real Food Racing) | 38:54.77 | +2:04.2 |
| 5. | Thomas BENTON (InForm TMX Make) | 38:57.62 | +2:07.0 |
| 6. | Alastair MACKELLAR (Israel Cycling Academy) | 39:08.88 | +2:18.3 |
| 7. | Connor SENS (Zappi Racing) | 39:38.12 | +2:47.6 |
| 8. | Rhys ROBOTHAM (Oliver's Real Food Racing) | 39:55.44 | +3:04.9 |
| 9. | James MORIARTY (InForm TMX Make) | 39:58.35 | +3:07.8 |
| 10. | Stinus KAEMPE (Sydkysten Development) | 40:00.41 | +3:09.8 |
| 11. | Bill SIMPSON (Giant Racing) | 40:15.88 | +3:25.3 |
| 12. | Dylan HOPKINS (Ljubljana Gusto Santic) | 40:36.31 | +3:45.7 |
| 13. | Mackenzie EDWARDSON (CCS cycling) | 40:43.65 | +3:53.1 |
| 14. | Samual EDDY (Team BridgeLane) | 40:44.29 | +3:53.7 |
| 15. | Zack GILMORE (ARA Pro Racing Sunshine Coast) | 40:59.23 | +4:08.7 |
