| Date: | March 3, 2012 | |
| Event: | Lark Hill 50K Dusk to Dawn Ultra | |
| Location: | Port Kennedy, WA (AUS) | |
| Distance: | 50km trail | |
| Data Source: | DUV page | |
| Rankings Eligible: | N | |
| AURA Points Comp: | - | |
| Rank | Performance | Surname, firstname | M | F | Age | Nat. |
|---|---|---|---|---|---|---|
| 1 | 3:39:42 h | O'Neill, Chris | 1 | M23 | IRL | |
| 2 | 3:49:42 h | Simpkins, Marc | 2 | M | AUS | |
| 3 | 4:18:56 h | Noonan, Ben | 3 | M | AUS | |
| 4 | 4:33:00 h | Gray, Jeff | 4 | M40 | AUS | |
| 5 | 4:34:00 h | Foley, Padhraic | 5 | M23 | IRL | |
| 6 | 4:38:39 h | Oborne, Jodie | 1 | F40 | AUS | |
| 7 | 4:41:21 h | Fonte, Justin | 6 | M35 | AUS | |
| 8 | 4:48:20 h | Swart, Derik | 7 | M35 | AUS | |
| 9 | 4:53:21 h | Wholey, Grant | 8 | M45 | AUS | |
| 10 | 4:53:21 h | Kaesler, Shaun | 9 | M23 | AUS | |
| 11 | 5:00:07 h | Rutherford, James | 10 | M23 | NZL | |
| 12 | 5:13:55 h | Sutton, Robert | 11 | M50 | AUS | |
| 13 | 5:20:48 h | Rees, Jo | 2 | F45 | AUS | |
| 14 | 5:20:48 h | Hefferon, Beck | 3 | F40 | GBR | |
| 15 | 5:21:05 h | Elton, Jane | 4 | F40 | AUS | |
| 16 | 5:21:05 h | Coates, Roy | 12 | M40 | AUS | |
| 17 | 5:35:19 h | Reynolds, Geoffrey | 13 | M45 | AUS | |
| 18 | 5:35:29 h | Bowman, Amanda | 5 | F23 | AUS | |
| 19 | 5:35:29 h | Williams, Kylie | 6 | F23 | AUS | |
| 20 | 5:41:25 h | Decicco, Emma | 7 | F | AUS | |
| 21 | 5:50:04 h | McNaught, Travis | 14 | M | AUS | |
| 22 | 5:54:40 h | Dean, Joanne | 8 | F23 | AUS | |
| 23 | 5:54:49 h | Cossom, Kelly | 9 | F | AUS | |
| 24 | 5:54:52 h | Bunce, Russell | 15 | M | AUS | |
| 25 | 6:01:50 h | Chin, Liza | 10 | F40 | RSA | |
| 26 | 6:32:26 h | Hagan, Karen | 11 | F40 | AUS | |
| 27 | 6:39:19 h | Green, Lisa | 12 | F | AUS | |
| 28 | 6:54:23 h | Miller, Peter | 16 | M | AUS | |
| 29 | 6:58:20 h | Merrick, Hailey | 13 | F | AUS | |
| 30 | 7:02:12 h | Blackwood, Wendy | 14 | F | AUS | |
| 31 | 8:06:00 h | Adams, Andrea | 15 | F | AUS |