Marcelo Mancillas has 4 recorded races from Atizapan de Zaragoza, MX-MEX, MX.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-31 | 2026 Rock 'n' Roll San Diego Marathon | Marathon | 4:57:23 | 4041 |
| 2026-02-22 | 2026 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 2:13:13 | 3946 |
| 2025-12-14 | 2025 Rock 'n' Roll Mexico City Half Marathon | Half Marathon | 1:55:43 | 3147 |
| 2023-06-04 | 2023 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 1:51:29 | 2163 |