Stephen Koch has 4 recorded races from Boulder, CO.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-28 | Boulderthon 10K | 10K | 1:12:11 | 1322 |
| 2024-06-08 | 2024 Sound to Narrows 12K Run | 1:37:12 | 1466 | |
| 2022-06-25 | Tupper Lake Tinman Triathlon Olympic Triathlon-Swim 0.93Mi,Bike 24.85Mi,Run 6.21Mi | 2:44:39 | 22 | |
| BMW Berlin Marathon 2023 | Marathon | 4:04:45 | 16681 |