Centennial100 Ultra

JUN

13

2026

A 100 km relay and solo ultra along the Centennial Trail in Snohomish, WA, with team options for six, three, two, or solo runners. Exchanges have individual themes and the event concludes with a post-race gathering at Space 802 featuring music, food, and a beer garden.

Sat 13 Jun 2026

Snohomish, Washington

Website

100 kilometers

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Centennial100 Relay and Ultra

The Centennial Relay and Ultra Run is a 100 km event that follows the Centennial Trail in Snohomish, Washington. The event is based at Space 802, 802 1st Street, Snohomish, WA 98290, and is scheduled for Saturday, June 13, 2026. It is offered as a relay for teams of six, three, or two runners, and as a solo 100 km option.

The course is divided into exchanges along the trail, with exchange locations at Machias, Rhododendron, Armor, Legion Memorial, Bryant, and Red Barn. Each exchange has a unique theme and is described as a mini running party. A post-race gathering at Space 802 will include music, a beer garden, and food, and will continue until the final finisher arrives.

Race participants receive event swag that includes a mesh football-style jersey. Cowbells are distributed by entry type: teams of six receive two cowbells per finisher, teams of three receive three cowbells per finisher, teams of two receive four cowbells per finisher, and solo finishers receive seven cowbells.

Registration categories include free team member registration, relay captain registrations for six-, three-, and two-person teams, and solo 100 km entries. Pricing shows early and later rates and per-runner amounts of $50 and $60 in listed periods.

Distances: Visit the organization's website for the most recent information.