Metric Marathon
Metric Marathon is a 10K and Marathon race in Washington, DC, held on Sun, Oct 4, 2026 at Southern High School , with entry from $15. Metric Marathon takes place on October 4, 2026 in Harwood, MD, with 10K, marathon on the schedule. Full details and registration are on the organizer's page.
| Date | Sun, Oct 4, 2026 |
| Distances | 10K, Marathon |
| Venue | Southern High School |
| Address | Southern High School, Harwood, MD |
| Entry | From $15 |
| Registration | Register for Metric Marathon |
Map location is approximate — confirm the start line with the organizer.
Listing updated Sun, Jul 26, 2026. Organize this race? Submit an update. Listing details via the organizer's page.
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