Marlin Shelley has 21 recorded races from Salt Lake City, UT.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-24 | Deseret News Marathon Half Marathon | Half Marathon | 3:28:27 | 1177 |
| 2026-06-20 | Runtastic TIMP Half Marathon | Half Marathon | 3:21:57 | 1120 |
| 2026-05-16 | 24th Annual America First Ogden Marathon Half Marathon | Half Marathon | 3:24:23 | 2811 |
| 2025-10-04 | St. George Marathon | Marathon | 6:49:10 | 4337 |
| 2025-09-13 | 2025 REVEL Big Cottonwood Half Marathon | Half Marathon | 3:00:47 | 3408 |
| 2025-08-23 | Top of Utah Half Marathon | Half Marathon | 3:13:37 | 552 |
| 2025-07-24 | Deseret News Marathon Half Marathon | Half Marathon | 3:12:36 | 1052 |
| 2025-05-17 | 24th Annual America First Ogden Marathon Half Marathon | Half Marathon | 3:23:28 | 2801 |
| 2024-10-05 | St. George Marathon | Marathon | 5:59:03 | 3554 |
| 2024-08-24 | Top of Utah Half Marathon | Half Marathon | 2:48:23 | 507 |
| 2024-07-24 | Deseret News Marathon Half Marathon | Half Marathon | 2:32:32 | 732 |
| 2024-07-06 | 15th Annual Hobbler Half Marathon | Half Marathon | 2:43:44 | 327 |
| 2023-09-09 | 2022 REVEL Big Cottonwood Half Marathon | Half Marathon | 2:10:50 | 1648 |
| 2023-07-24 | Deseret News Marathon Half Marathon | Half Marathon | 2:22:42 | 647 |
| 2023-02-04 | 2023 RUN SLC 5K | 5K | 33:14 | 614 |
| 2022-09-10 | 2022 REVEL Big Cottonwood Half Marathon | Half Marathon | 2:08:15 | 1448 |
| 2022-07-23 | Deseret News Marathon Half Marathon | Half Marathon | 2:20:33 | 501 |
| 2022-04-23 | 2022 Salt Lake City Marathon Half Marathon | Half Marathon | 2:20:29 | 1110 |
| 2022-04-02 | 2022 RUN SLC 15K 15K in Person | 15K | 1:31:12 | 260 |
| 2022-03-05 | 2022 RUN SLC 10K 10K in Person | 10K | 1:03:35 | 324 |
| 2022-02-05 | 2022 RUN SLC 5K 5K in person | 5K | 31:43 | 372 |