Road Running

Marine Corps Marathon

OCT 25, 2026 41 days out Arlington, VA Marine Corps

"The People's Marathon" — no prize money, run past the monuments of Washington, D.C. Last Sunday in October.

Distances & categories

A marquee event, curated by OSO. Dates and entry can change — always confirm on the official page.

Go fast, know why

OSO reads your own rides, runs and swims and tells you what they did to you, not what they'd do to somebody else.

Open the appFree while we're in private beta.