Burt 100
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Event details
The BURT 100 is a trail running event on Bainbridge Island, WA. The 2026 edition offers multiple distances and takes place in February. Registration closes on Sun, Feb 1 at 11:59 PM PT. The event emphasizes community and shared experience around local trails rather than large-scale race production.
Distances
- 100(ish) miles
- 110K
- 55K
Course and charity
The main course is described as a 54 kilometer loop that links Bainbridge Island public and some private trail networks. For 2026, 1.5 miles of previous road sections were replaced with trails. The event is partnered with the Bainbridge Island Parks & Trails Foundation. Most of the registration cost is directed to the Foundation's Trails Fund after state tax, registration fees, and event purchases are deducted.
Capacity and entry notes
Total field size is capped at 60 runners. Current caps listed are 54k: 35 runners; 108k: 13 runners; 100M: 12 runners. 100M entrants will be vetted before acceptance for safety planning. At present, there are 0 open spots for the 100M distance.
Volunteer opportunities
Volunteer opportunities are available for activities before, during, and after the event. Visit the organization's website for the most recent information.
