| Name: | Shaun Atchison | |
| Gender: | M | |
| Natonality: | AUS | |
| Date | Event | Overall | M | Distance | Time |
|---|---|---|---|---|---|
| 2005 | 2005-03-12 | Six Foot Track (45km trail) | 42 | 39 | 45.000 km | 4:28:33 h |
| 2006 | 2006-04-09 | Canberra 50km Ultramarathon (50km road) | 12 | 11 | 50.000 km | 3:40:36 h |
| 2006-03-11 | Six Foot Track (45km trail) | 31 | 30 | 45.000 km | 4:13:02 h |
| 2007 | 2007-03-10 | Six Foot Track (45km trail) | 38 | 38 | 45.000 km | 4:09:46 h |
| 2007-01-06 | Coastal Classic Ultra 12 Hour Track (12h track) | 14 | 13 | 99.185 km | 12:00:00 h |
| 2008 | 2008-03-08 | Six Foot Track (45km trail) | 27 | 25 | 45.000 km | 4:04:42 h |
| 2009 | 2009-03-08 | Six Foot Track (45km trail) | 26 | 25 | 45.000 km | 4:01:17 h |
| 2010 | 2010-03-13 | Six Foot Track (45km trail) | 31 | 30 | 45.000 km | 4:05:31 h |
| 2011 | 2011-03-12 | Six Foot Track (45km trail) | 74 | 64 | 45.000 km | 4:33:24 h |
| 2012 | 2012-05-19 | The North Face 100 Australia (100km trail) | 89 | 75 | 100.000 km | 13:43:44 h |
| 2013 | 2013-05-18 | The North Face 100 Australia (100km trail) | 135 | 117 | 100.000 km | 13:39:34 h |
| 2013-03-09 | Six Foot Track (45km trail) | 77 | 71 | 45.000 km | 4:22:04 h |
| 2014 | 2014-03-08 | Six Foot Track (45km trail) | 225 | 201 | 45.000 km | 4:54:00 h |
| 2015 | 2015-03-14 | Six Foot Track (45km trail) | 280 | 251 | 45.000 km | 4:56:50 h |
| 2016 | 2016-03-12 | Six Foot Track (45km trail) | 203 | 175 | 45.000 km | 5:06:59 h |
| 2017 | 2017-03-11 | Six Foot Track (45km trail) | 250 | 212 | 45.000 km | 5:05:50 h |
| 2021 | 2021-05-15 | Ultra-Trail Australia 50 km (50km trail) | 442 | 334 | 50.000 km | 7:19:27 h |
| 2022 | 2022-10-29 | Ultra-Trail Australia 50 km (50km trail) | 171 | 148 | 50.000 km | 5:44:13 h |
| 2023 | 2023-03-11 | Six Foot Track (45km trail) | 111 | 103 | 45.000 km | 5:01:00 h |
| 2023-12-08 | Ultra-Trail Kosciuszko by UTMB - Kosci 100 (100km trail) | 90 | 79 | 100.000 km | 15:42:22 h |