Brent Cornelison has 10 recorded races from Seattle, WA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-06-13 | Run Super Series | Super Marathon and Half | Marathon | 3:25:56 | 90 |
| 2026-04-11 | Vacation Races | Zion Ultras 100 Mile | Ultra Marathon | 29:37:04 | 72 |
| 2026-03-14 | Shamrock'n Weekend Half Marathon | 1:33:57 | 154 | |
| 2026-02-15 | 2026 Lost Dutchman Marathon, Half Marathon, 10K and 8K | Half Marathon | 1:39:53 | 34 |
| 2026-02-14 | 2026 Mesa Marathon | Marathon | 3:20:12 | 520 |
| 2025-09-20 | Vacation Races | Bryce Canyon Ultras 50 Mile | Ultra Marathon | 11:51:42 | 19 |
| 2025-04-12 | Vacation Races | Zion Ultras 100K | Ultra Marathon | 16:59:01 | 117 |
| 2025-02-16 | 2025 Lost Dutchman Marathon, Half Marathon, 10K and 8K | Marathon | 3:18:35 | 7 |
| 2024-02-18 | 2024 Lost Dutchman Marathon, Half Marathon, 10K and 8K | Marathon | 3:28:58 | 17 |
| 2023-02-19 | 2023 Lost Dutchman Marathon, Half Marathon, 10K and 8K | Marathon | 3:30:51 | 19 |