Heather MacMillan has 3 recorded races from Seattle, WA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-06-27 | Seattle Marathon | Summer Events 10K | 10K | 54:42 | 82 |
| 2025-06-21 | Seattle Marathon | Summer Events 10K | 10K | 59:55 | 168 |
| 2024-06-22 | Seattle Marathon | Summer Events 10K | 10K | 59:44 | 199 |