| Cliff Simpson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2018 | North Carolina, US | 51 | Friday, September 28, 2018 | 32:55:44.00 |
| Bighorn 100M 2014 | North Carolina, US | 47 | Friday, June 20, 2014 | 33:24:14.30 |
| Cliff Simpson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2018 | North Carolina, US | 51 | Friday, September 28, 2018 | 32:55:44.00 |
| Bighorn 100M 2014 | North Carolina, US | 47 | Friday, June 20, 2014 | 33:24:14.30 |