Ronald Larson has 3 recorded races from Manchester, Maryland, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-03-01 | Newport News One City Marathon Half Marathon | 2:14:05 | 391 | |
| 2023-05-06 | 2023 Frederick Running Festival Half Marathon | Half Marathon | 2:10:32 | 1088 |
| 2022-03-19 | 2022 Yuengling Shamrock Marathon Weekend Townebank 8K | 53:58 | 2422 |