Marshall Duncan has 4 recorded races from Mesa, AZ.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-27 | Mesa Sprint Triathlon Triathlon: 400M Swim, 12 Mi Bike, 5K Run | 1:12:26 | 43 | |
| 2024-09-21 | Mesa Sprint Triathlon Sprint Triathlon: 400M Swim, 12 Mi Bike, 5K Run | 1:12:41 | 41 | |
| 2023-02-04 | 2023 Mesa Marathon Half Marathon | Half Marathon | 1:40:30 | 432 |
| 2022-09-24 | Mesa Sprint Triathlon Triathlon- Swim 400Yd,Bike 12Mi,Run 5K | 1:13:57 | 66 |