Brian Siffel has 3 recorded races from Arnold, Maryland, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-21 | 2026 Yuengling Shamrock Marathon Weekend Half Marathon | Half Marathon | 1:46:37 | 643 |
| 2025-03-15 | 2025 Yuengling Shamrock Marathon Weekend Half Marathon | Half Marathon | 1:50:15 | 809 |
| 2024-03-16 | 2024 Yuengling Shamrock Marathon Weekend Half Marathon | Half Marathon | 1:43:42 | 476 |