Duane Larson
| Challenge | Team | Total Miles | |
|---|---|---|---|
| 2019 Challenge | Coffman Engineers | 258.6 | View Activities |
| 2018 Challenge | Coffman Engineers | 180.8 | View Activities |
| 2017 Challenge | Coffman Engineers | 128.6 | View Activities |
| Challenge | Team | Total Miles | |
|---|---|---|---|
| 2019 Challenge | Coffman Engineers | 258.6 | View Activities |
| 2018 Challenge | Coffman Engineers | 180.8 | View Activities |
| 2017 Challenge | Coffman Engineers | 128.6 | View Activities |