2026 Centennial100 Relay and Ultra

2026 Centennial100 Relay and Ultra Run

The Centennial Relay and Ultra Run is the ultimate running festival for all levels of runners. The 100KM route spanning the entirety of the Centennial Trail can be tackled by teams of 6, 3, 2 or Solo runners.

Distance - 100KM (62 miles)
Date - Saturday, June 13th, 2026
Start Location - Space 802 located at 802 1st Street, Snohomish, WA 98290
Start Time - First groups will be sent out at 6AM. We will send out 10 teams at a time with the slowest teams going first.
After party - The after party will run from 3PM until the last finisher comes in to Space 802. Complete with music, beer garden and food!
Race swag - We will once again to a version of the mesh football jersey. Collect your Cowbells!

• Teams of 6 - Each finisher will get 2 cowbells.
• Teams of 3 - Each finisher will get 3 cowbells.
• Teams of 2 - Each finisher will get 4 cowbells.
• Solo Participants - Will get 7 Cowbells!

Themed Exchanges - Each exchange will be it's own mini running party and will have it's own unique theme.
Route Map - Click here to view the route map.

Exchanges:

• Out Back Start to Machias: 5.83 miles
• Machias to Rhododendron: 5.59 miles
• Rhododendron to Armor: 7.09 miles
• Armar to Legion Memorial: 4.47 miles
• Legion Memorial to Bryant: 4.02 miles
• Bryant to Red Barn: 4 miles

Distances:

• Runner 1: 9.83 miles
• Runner 2: 9.61 miles
• Runner 3: 11.56 miles
• Runner 4: 11.56 miles
• Runner 5: 9.61 miles
• Runner 6: 9.83 miles