Glenn Preston
| Challenge | Team | Total Miles | |
|---|---|---|---|
| 2025 Challenge | On Your Feet | 248.5 | View Activities |
| 2024 Challenge | Trail and Aqua Tramps | 402.8 | View Activities |
| 2023 Challenge | Wally's Wildlings | 316.7 | View Activities |
| 2022 Challenge | IBEW LOCAL 1547 | 282.8 | View Activities |
| 2021 Challenge | IBEW 1547 | 304.5 | View Activities |
| 2020 Challenge | TAC Master Swimmers | 221.3 | View Activities |
| 2020 Bonus Challenge | TAC Master Swimmers | 149.8 | View Activities |
| 2019 Challenge | The Alaska Club | 294.5 | View Activities |