The San Juan Island Marathon, Half Marathon, & 10k, is held in Friday Harbor, WA. It is held right after the Three Lakes Triathlon. Runners can expect a mix of terrain, including hills and flat stretches. The marathon and half marathon routes, in particular, provide great views of the Olympic and Cascade mountain ranges. The course is USATF-certified.
San Juan Island Marathon Half Marathon & 10K
Date
Jun 14, 2025
Starting Time
10:00 AM
Course
Road
Fees
$95+
Location
Friday Harbor
Participants
1-100
Terrain
Some Hills
Environment
Temperature
High: 65°
/ Low: 50°
Overview
Course Description
Visit the race website for an up to date course description.
Past Results
