David Mullin has 6 recorded races from Duluth, Minnesota, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-13 | 2025 Life Time Chequamegon MTB Festival Short & Fat 16 | 1:06:32 | 48 | |
| 2025-06-28 | Life Time Lutsen 99er presented by Visit Cook County Lutsen99er | Ultra Marathon | 6:56:15 | 216 |
| 2024-09-14 | 2024 Life Time Chequamegon MTB Festival presented by Trek Short & Fat 16 | 1:03:45 | 31 | |
| 2024-06-29 | 2024 Life Time Lutsen 99er Lutsen45er | Ultra Marathon | 3:55:18 | 34 |
| 2023-09-16 | 2023 Life Time Chequamegon MTB Festival presented by Trek Short & Fat 16 | 1:08:31 | 32 | |
| 2023-06-24 | 2023 Stages Cycling Lutsen 99er Lutsen49er | Ultra Marathon | 3:58:02 | 29 |