Mark Nelson (M38)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2020 | |||||
| Dead Horse Ultra | 11/21/20 | 50 KM | 6:53:51 | 199 | |
| 2019 | |||||
| Dead Horse Ultra | 11/16/19 | 50 KM | 6:04:09 | 182 | |
Mark Nelson (M37)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2020 | |||||
| Arches Ultra | 01/25/20 | 50 KM | 6:27:30 | 145 | |
| 2019 | |||||
| Behind the Rocks Ultra | 03/23/19 | 50 KM | 7:41:06 | 179 | |
| 2013 | |||||
| Chuckanut 50k | 03/16/13 | 50 KM | 4:32:28 | 39 | |
| 2012 | |||||
| Chuckanut 50k | 03/17/12 | 50 KM | 4:50:20 | 63 | |
Mark Nelson (M54)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2019 | |||||
| Chicago Lakefront: Fall Version | 11/02/19 | 50 KM | 6:10:05 | 53 | |
| 2016 | |||||
| Chicago Lakefront: Fall Version | 10/29/16 | 50 KM | 5:34:34 | 41 | |
Mark Nelson (M53)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2019 | |||||
| Ice Age Trail | 05/11/19 | 50 Miles | 11:12:48 | 269 | |
| 2018 | |||||
| Kettle Moraine 100 Endurance Runs | 06/02/18 | 50 KM | 6:46:33 | 34 | |
| 2017 | |||||
| Chicago Lakefront: Fall Version | 10/28/17 | 50 KM | 6:42:56 | 108 | |
| Ice Age Trail | 05/13/17 | 50 KM | 6:13:38 | 63 | |
| Hawkeye 50K & 25K | 04/08/17 | 50 KM | 5:38:18 | 25 | |
| 2016 | |||||
| Ice Age Trail | 05/14/16 | 50 KM | 6:33:23 | 122 | |
| Hawkeye 50K & 25K | 04/09/16 | 50 KM | 5:11:10 | 20 | |
| 2015 | |||||
| Ice Age Trail | 05/09/15 | 50 KM | 5:35:30 | 56 | |
| Hawkeye 50K & 25K | 04/11/15 | 50 KM | 4:42:34 | 13 | |
| Chicago Lakefront: George Cheung Memorial | 03/21/15 | 50 KM | 5:07:19 | 52 | |
| 2014 | |||||
| The North Face Endurance Challenge Wisconsin | 09/13/14 | 50 KM | 5:43:00 | 95 | |
| Chicago Lakefront: George Cheung Memorial | 04/05/14 | 50 KM | 4:38:06 | 25 | |
| 2013 | |||||
| Chicago Lakefront: George Cheung Memorial | 03/23/13 | 50 KM | 4:53:03 | 50 | |
Mark Nelson (M51)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2007 | |||||
| Jemez Mountain | 05/19/07 | 50 KM | 8:13:58 | 31 | |
Mark Nelson (M44)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2003 | |||||
| Sunmart Texas Trails | 12/06/03 | 50 KM | 7:32:14 | 524 | |
Mark Nelson (Unknown Age)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2018 | |||||
| Squamish 50 | 08/18/18 | 50 KM | 7:34:42 | 76 | |
| 2016 | |||||
| The North Face Endurance Challenge Wisconsin | 09/17/16 | 50 KM | 5:56:24 | 84 | |
| 2008 | |||||
| The Great Lake Walk | 09/20/08 | 56 KM | 4:56:08 | 4 | |
