Robert Posma
| Challenge | Team | Total Miles | |
|---|---|---|---|
| 2025 Challenge | RESPEC | 19.3 | View Activities |
| 2023 Challenge | RESPEC | 121.9 | View Activities |
| 2022 Challenge | RESPEC | 181.9 | View Activities |
| 2021 Challenge | PDC Engineers, a RESPEC Company | 160.1 | View Activities |
| 2020 Challenge | PDC Engineers | 167.1 | View Activities |
| 2020 Bonus Challenge | PDC Engineers | 160.0 | View Activities |
| 2019 Challenge | PDC Engineers | 107.7 | View Activities |
| 2018 Challenge | PDC Engineers | 7.6 | View Activities |
| 2017 Challenge | PDC Engineers | 68.5 | View Activities |