Stephen Mayfield has 8 recorded races from Logan, UT.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-12 | Cache Gran Fondo 100 Mile Century | Ultra Marathon | 80 | |
| 2026-07-12 | Cache Gran Fondo 100 Mile Century (Sprint Segment) | Ultra Marathon | 53:19 | 101 |
| 2025-07-12 | Cache Gran Fondo 100 Mile Century | Ultra Marathon | 102 | |
| 2025-07-12 | Cache Gran Fondo 100 Mile Century (Sprint Segment) | Ultra Marathon | 02:28 | 45 |
| 2023-07-08 | Cache Gran Fondo 100 Mile Century | Ultra Marathon | 68 | |
| 2023-07-08 | Cache Gran Fondo 100 Mile Century (Sprint Segment) | Ultra Marathon | 09:55 | 84 |
| 2023-07-08 | Cache Gran Fondo 100 Mile Century (King/Queen of the Mountain) | Ultra Marathon | 24:31 | 104 |
| 2022-07-30 | Mirror Lake Highway Road Race & Gran Fondo 150 Mile | Ultra Marathon | 91 |