Barbara Bonansinga has 2 recorded races from Chesterfield, Missouri, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-09-16 | 2023 Life Time Chequamegon MTB Festival presented by Trek Chequamegon 40 | Ultra Marathon | 4:33:40 | 1169 |
| 2022-09-17 | 2022 Chequamegon MTB Festival Chequamegon 40 | Ultra Marathon | 4:58:57 | 1171 |