RunRace USA › Maryland › Metric Marathon
Metric Marathon
Harwood, Maryland · Sunday, October 4, 2026 · 26.2K
Official race page & registration ↗Metric Marathon takes place on Sunday, October 4, 2026 in Harwood, Maryland. The race is run over 26.2K. For anyone travelling in, Greater Upper Marlboro is about 8 miles away and Washington is about 23 miles away.
It is one of 110 races on the Maryland calendar that October. At $15, entry sits below the $40 median for a Maryland race.
- Date
- Sunday, October 4, 2026
- Location
- Harwood, Maryland
- Distances
- 26.2K
- Entry fee
- from $15
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Harwood: check in Oct 3, out Oct 5.
Common questions
When is Metric Marathon?
Metric Marathon is scheduled for Sunday, October 4, 2026.
Where is Metric Marathon held?
Metric Marathon is held in Harwood, Maryland. It is about 8 miles from Greater Upper Marlboro and 23 miles from Washington.
What distances does Metric Marathon offer?
The listed distances are 26.2K.
How much does Metric Marathon cost?
Entry is listed from $15. Check the official race page for the current price, which usually rises closer to race day.
How do I register for Metric Marathon?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Oct 42026 Hua Sports 5K, Half Marathon and MarathonPoint Of Rocks, MD
- Oct 4Colonel Challenge 5K RunDerwood, MD
- Oct 4Flutter Fest 5kMechanicsville, MD
- Oct 4Level The Playing Field : Run, Walk & Roll 5KCollege Park, MD
- Oct 4Mustang 5 MilerBel Air, MD
See every race on the Maryland calendar, or use the Race Finder for maps and filters.