Brett Dettmering has 4 recorded races from Atlanta, Georgia, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-07-04 | Atlanta Journal-Constitution Peachtree Road Race 10K Run | 37:39 | 276 | |
| 2023-07-04 | Atlanta Journal-Constitution Peachtree Road Race AJC Peachtree Road Race 10K | 10K | 35:44 | 137 |
| 2022-07-04 | Atlanta Journal-Constitution Peachtree Road Race AJC Peachtree Road Race 10K | 10K | 37:15 | 188 |
| 2022-02-05 | Hearts & Soles 10K | 10K | 37:53 | 10 |