| Zbigniew Broniszewski's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2021 Laurel Highlands (50k) | Maryland, US | 38 | Sunday, June 13, 2021 | 07:30:19.00 |
| Zbigniew Broniszewski's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2021 Laurel Highlands (50k) | Maryland, US | 38 | Sunday, June 13, 2021 | 07:30:19.00 |