| Peter Heyboer's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2020 | Montana, US | 40 | Friday, September 25, 2020 | 25:12:14.00 |
| Never Summer 100k (2018) | Montana, US | 38 | Saturday, July 28, 2018 | 14:40:15.00 |
| Peter Heyboer's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2020 | Montana, US | 40 | Friday, September 25, 2020 | 25:12:14.00 |
| Never Summer 100k (2018) | Montana, US | 38 | Saturday, July 28, 2018 | 14:40:15.00 |