Info
| Last name | Duncan |
| First name | David |
| Nationality |  United States |
| Date of birth | 06-05-1985 |
| Age | 40 |
About David Duncan
David Duncan is a American professional cyclist, 40 years old. Active in mountain biking.
| Date | Rank | Race |
|---|---|---|
| 17-07 | 29 | USA National Championships - XCO U23 (CN) |