Royce Naumann has 4 recorded races from Mantua, UT.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-18 | Mantua Dam Race 5 Mile | 1 Mile | 36:39 | 24 |
| 2026-06-20 | Runtastic TIMP Half Marathon | Half Marathon | 1:43:31 | 161 |
| 2025-07-19 | Mantua Dam Race 5 Mile | 1 Mile | 41:19 | 67 |
| 2024-07-13 | Mantua Dam Race 5 Mile | 1 Mile | 43:15 | 85 |