The Bismarck Marathon weekend is a multi-race road-running event that includes a full marathon, half marathon, 10K, 5K, relay, BisBark dog race, and kids mini marathon. The 2026 event is listed for Friday, September 18 through Sunday, September 20 at the Mall Area on the Capitol Grounds in Bismarck, with race-day activities centered at the North Dakota State Capitol Grounds. The marathon website says parking at the Capitol Grounds is limited and that parking is not allowed along the main loop for runner safety.