Brett Duffy has 2 recorded races from Decatur, Georgia, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-07-04 | Atlanta Journal-Constitution Peachtree Road Race AJC Peachtree Road Race 10K | 10K | 1:35:49 | 28463 |
| 2022-07-04 | Atlanta Journal-Constitution Peachtree Road Race AJC Peachtree Road Race 10K | 10K | 1:59:10 | 32158 |