David Wirthlin has 2 recorded races from St. George, UT.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-10-26 | Ride Southern Utah - Fall Tour of St George 100 Mile Century | Ultra Marathon | 7:18:52 | 137 |
| 2022-10-15 | RSU: Fall Tour 100 Mile Century | Ultra Marathon | 8:34:05 | 193 |