Mark Mayer has 4 recorded races from Rehoboth Beach, Delaware, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-04-12 | Coastal Delaware Running Festival 9K Run | 52:54 | 149 | |
| 2025-04-12 | Coastal Delaware Running Festival 9K Run | 52:48 | 180 | |
| 2024-04-13 | Coastal Delaware Running Festival 9K Run | 48:54 | 91 | |
| 2023-04-15 | Coastal Delaware Running Festival Half Marathon | 2:19:32 | 658 |