Navin Ratnayake has 4 recorded races from Saint Louis, Missouri, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | MO' Cowbell Marathon/Half-Marathon/10K/5K | 5K | 31:26 | 149 |
| 2024-10-06 | MO' Cowbell Marathon/Half-Marathon/10K/5K | 10K | 1:04:02 | 248 |
| 2024-09-21 | 33rd Annual Run for the Hills 5K Run/Walk | 5K | 30:25 | 160 |
| 2023-10-01 | MO' Cowbell Marathon/Half-Marathon/10K/5K | 5K | 28:34 | 53 |