Centennial 100 Relay Run
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Event overview
The Centennial 100 Relay and Ultra Run is a 100 km (62 miles) running event on Saturday, June 13th, 2026, organized by Snohomish Running Company. The route follows the Centennial Trail from Space 802 in Historic Downtown Snohomish to the Nakashima Barn in Arlington and returns to Snohomish. The listed start location is Space 802 at 802 1st Street, Snohomish, WA 98290.
Format and logistics
The course may be run solo or as a relay by teams of 6, 3, 2, or 1 runners. Each exchange point will have a unique theme and is described as a mini running party. An after party is planned at Space 802 with live music, a beer garden and BBQ. Race swag is still being finalized. All participants will receive a finisher medal and a sticker. Visit the organization's website for the most recent information.