Mark Riley
| Challenge | Team | Total Miles | |
|---|---|---|---|
| 2025 Challenge | Alaska DOT&PF Team | 140.4 | View Activities |
| 2024 Challenge | Alaska DOT&PF Team | 103.0 | View Activities |
| 2023 Challenge | Alaska DOT&PF Team | 178.3 | View Activities |
| 2022 Challenge | Alaska DOT&PF Team | 201.1 | View Activities |
| 2021 Challenge | Alaska DOT&PF Team | 233.8 | View Activities |
| 2019 Challenge | Alaska DOT&PF | 223.8 | View Activities |