2025 edition · Half Marathon
Boulderthon Half Marathon 2025: American Results
Boulder, Colorado
Boulderthon Half Marathon: race context
Boulderthon offers a marathon, half marathon and shorter races in Boulder, Colorado. Only half-marathon records appear here, even when a source’s event label also mentions the 10K. Historical spelling variants are grouped into one half-marathon archive.
The recorded American performances
Our half marathon records include 2 men in this edition. Emad Bashir Mohammed has the fastest recorded time in that group, 1:06:32. Result source for Emad Bashir Mohammed.
Our half marathon records include 5 women in this edition. Elizabeth Talbi has the fastest recorded time in that group, 1:20:01. Result source for Elizabeth Talbi.
These comparisons describe this site's recorded athletes, not the full race field or official American finishing order. Gun and chip times may appear together; chip times are labeled in the tables.
U.S. men's recorded results
| Subset order | Athlete | Time | Race | Date | Evidence |
|---|---|---|---|---|---|
| 1 | Emad Bashir Mohammed | 1:06:32 | Boulderthon Half Marathon & 10K | Sep 28, 2025 | Result source for Emad Bashir Mohammed |
| 2 | Garret Lee | 1:08:06 | Boulderthon Half Marathon & 10K | Sep 28, 2025 | Result source for Garret Lee |
U.S. women's recorded results
| Subset order | Athlete | Time | Race | Date | Evidence |
|---|---|---|---|---|---|
| 1 | Elizabeth Talbi | 1:20:01 | Boulderthon Half Marathon & 10K | Sep 28, 2025 | Result source for Elizabeth Talbi |
| 2 | Katherine Deegan | 1:21:42 | Boulderthon Half Marathon & 10K | Sep 28, 2025 | Result source for Katherine Deegan |
| 3 | Sarah Kushner | 1:24:02 | Boulderthon Half Marathon & 10K | Sep 28, 2025 | Result source for Sarah Kushner |
| 4 | Maura Henderson | 1:24:18 | Boulderthon Half Marathon & 10K | Sep 28, 2025 | Result source for Maura Henderson |
| 5 | Sarah Wills | 1:25:44 | Boulderthon Half Marathon & 10K | Sep 28, 2025 | Result source for Sarah Wills |
These are recorded results for the marathoners covered by this site, including historical athletes outside the current rankings. Marathon and half-marathon results are kept separate. This is a view of our recorded athlete histories, not the complete race field. Table order compares the recorded times within each sex; it is not official race placing or an exhaustive American ranking. Gun and chip times may appear together; chip times are labeled. Read the coverage and timing methodology.
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