James Colburn
| Challenge | Team | Total Miles | |
|---|---|---|---|
| 2023 Challenge | Coffman Engineers | 105.0 | View Activities |
| 2022 Challenge | Coffman Engineers, Inc. | 104.6 | View Activities |
| 2020 Challenge | Coffmanites | 0.0 | View Activities |
| 2020 Bonus Challenge | Coffmanites | 57.4 | View Activities |