William Surbaugh has 11 recorded races from Grand Marais, Minnesota, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-09-14 | 2024 Life Time Chequamegon MTB Festival presented by Trek Pro/Elite Chequamegon 40 | Ultra Marathon | 2:28:27 | 75 |
| 2024-07-26 | 2024 Life Time Leadville Stage Race Day 1 - 40 Miles | Ultra Marathon | 2:20:13 | 10 |
| 2024-07-26 | 2024 Life Time Leadville Stage Race Day 2 - 20 Miles | 1:44:31 | 10 | |
| 2024-07-26 | 2024 Life Time Leadville Stage Race Day 1 and 2 Totals | Ultra Marathon | 4:04:44 | 10 |
| 2024-07-26 | 2024 Life Time Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 2:33:04 | 10 |
| 2024-07-26 | 2024 Life Time Leadville Stage Race Stage Race Series - 3 Day Totals | Ultra Marathon | 6:37:48 | 9 |
| 2024-06-29 | 2024 Life Time Lutsen 99er Lutsen99er | Ultra Marathon | 5:33:45 | 91 |
| 2023-08-12 | 2023 Stages Cycling Leadville Trail 100 MTB | Ultra Marathon | 6:52:47 | 37 |
| 2023-06-24 | 2023 Stages Cycling Lutsen 99er Lutsen99er | Ultra Marathon | 5:02:46 | 1 |
| 2022-09-17 | 2022 Chequamegon MTB Festival Pro/Elite Chequamegon 40 | Ultra Marathon | 2:19:42 | 25 |
| 2022-06-25 | 2022 Lutsen 99er | Ultra Marathon | 5:08:45 | 3 |