Skip to main content

All registrations for the San Juan Island Marathon, Half and 10K have transitioned to:

Three Lakes Triathlon & Kings Island San Juan Island Runs

If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.

If you continue to use this site, you consent to use all cookies.