Robert Duncombe has 6 recorded races from Salt Lake City, UT.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-24 | Deseret News Marathon Half Marathon | Half Marathon | 1:47:59 | 335 |
| 2025-09-13 | 2025 REVEL Big Cottonwood Half Marathon | Half Marathon | 1:42:24 | 505 |
| 2025-07-24 | Deseret News Marathon 10K | 10K | 47:36 | 307 |
| 2024-07-24 | Deseret News Marathon Half Marathon | Half Marathon | 1:54:45 | 338 |
| 2024-04-20 | 2024 Salt Lake City Marathon Half Marathon | Half Marathon | 1:55:03 | 727 |
| 2023-07-24 | Deseret News Marathon Half Marathon | Half Marathon | 1:45:24 | 198 |