(RESULTS 2023 – SATURDAY) 4:32PM – BILL MCMANUS BACKMARKERS’ HANDICAP 400M HEATS
| Heat | Name | Handicap | Place | Time |
| 1 | Jack Doderico | 27 | 1 | 47.626 |
| 1 | Hayden Rothe | 20 | 2 | 47.802 |
| 1 | Toby Cook | 17 | 3 | 48.150 |
| 1 | Dashiell Muir | 23 | 4 | 48.423 |
| 1 | Will Johns | 14 | 5 | 49.349 |
| 1 | Cameron Yorke | 33 | 6 | 49.707 |
| 1 | Callum James | 30 | 7 | 52.255 |
| 1 | Kyan Walker | 24 | 8 | 52.714 |
| 1 | Hugo Costi | 20 | 9 | 56.813 |
| 2 | Lincoln Barnes | 27 | 1 | 47.116 |
| 2 | Stuart Aberdein | 23 | 2 | 47.340 |
| 2 | Jarred Gilroy | 24 | 3 | 47.751 |
| 2 | Michael Dinan | 20 | 4 | 48.469 |
| 2 | Elijah Cross | 14 | 5 | 48.658 |
| 2 | Nathan Visciglio | 18 | 6 | 48.833 |
| 2 | Zach Wallace | 20 | 7 | 49.580 |
| 2 | Eric Sapac | 34 | 9999 | 0 |
| 2 | Tyson Bonney | 0 | 9999 | 0 |
| 2 | Hugh Hoffmann | 30 | 9999 | 0 |
| 3 | Harrison Kerr | 14 | 1 | 48.667 |
| 3 | Seb Hadaway | 18 | 2 | 49.101 |
| 3 | Tomas Liivamagi | 20 | 3 | 49.441 |
| 3 | Cameron Moss | 27 | 4 | 49.522 |
| 3 | Luke Stevens | 2 | 5 | 50.648 |
| 3 | Brady Lehmann | 30 | 6 | 50.865 |
| 3 | Connor Ogilvie | 24 | 7 | 51.564 |
| 3 | Michael Hayes | 20 | 8 | 52.996 |
| 3 | Derek Collinge | 34 | 9999 | 0 |
| 3 | Nicholas Antonino | 23 | 9999 | 0 |
| 4 | Luke Simpson | 18 | 1 | 48.653 |
| 4 | Oliver Muggleton | 20 | 2 | 49.434 |
| 4 | Max Disbury | 20 | 3 | 51.265 |
| 4 | Buddy Williams | 28 | 4 | 52.048 |
| 4 | Murray Goodwin | 5 | 9999 | 0 |
| 4 | Paul Tancredi | 34 | 9999 | 0 |
| 4 | Luke Mitchell | 31 | 9999 | 0 |
| 4 | Joe Chigwidden | 25 | 9999 | 0 |
| 4 | Dion Paull | 23 | 9999 | 0 |
| 4 | Zack Cossey | 15 | 9999 | 0 |
| 5 | Matt Burleigh | 35 | 1 | 48.289 |
| 5 | Nic Davey | 24 | 2 | 49.169 |
| 5 | Jara Konteh | 15 | 3 | 50.427 |
| 5 | Hamish Adams | 25 | 4 | 50.515 |
| 5 | Sky hunter Robertson | 20 | 5 | 51.356 |
| 5 | Daniel White-Alikakos | 19 | 9999 | 0 |
| 5 | Lonain Burnett | 31 | 9999 | 0 |
| 5 | Jack Wolff | 20 | 9999 | 0 |
| 5 | Adrian Bender | 28 | 9999 | 0 |
| 5 | Josh Fabiani | 8 | 9999 | 0 |
| 6 | Ryan Atkins | 12 | 1 | 48.490 |
| 6 | Jack Colgrave | 29 | 2 | 49.088 |
| 6 | Nathan Crowley | 32 | 3 | 49.246 |
| 6 | Leigh Bennett | 16 | 4 | 49.283 |
| 6 | Eli Hall | 19 | 5 | 49.772 |
| 6 | Greg Mitchell | 25 | 6 | 50.678 |
| 6 | Michael Chimenton | 35 | 7 | 50.962 |
| 6 | Xander Gragasin | 20 | 8 | 53.696 |
| 6 | Jai Perry | 24 | 9999 | 0 |
| 6 | Charlie Hildyard | 21 | 9999 | 0 |
| 7 | Patrick Martin | 21 | 1 | 47.076 |
| 7 | Jesse Patterson | 32 | 2 | 48.069 |
| 7 | Ash Liyanaarachchi | 29 | 3 | 48.151 |
| 7 | Angus Proudfoot | 17 | 4 | 49.290 |
| 7 | James Kermond | 12 | 5 | 49.459 |
| 7 | Lachlan Smith | 20 | 6 | 50.903 |
| 7 | Jake Underwood | 20 | 7 | 57.376 |
| 7 | Nathan Livitsanos | 26 | 9999 | 0 |
| 7 | Patrick Meade | 24 | 9999 | 0 |
| 7 | Brett Maurer | 35 | 9999 | 0 |
| 8 | Max Underwood | 22 | 1 | 47.753 |
| 8 | Oliver Burge | 26 | 2 | 48.534 |
| 8 | Akon Chol | 17 | 3 | 49.557 |
| 8 | Ryan Camille | 33 | 4 | 49.717 |
| 8 | Luke Rigby | 20 | 9999 | 0 |
| 8 | Phil Borg | 13 | 9999 | 0 |
| 8 | Conor Gaffney | 20 | 9999 | 0 |
| 8 | Julian Morgan | 24 | 9999 | 0 |
| 8 | Connor Callinan | 29 | 9999 | 0 |
