In order to use RunSignup, your browser must accept cookies. Otherwise, you will not be able to register for races or use other functionality of the website. However, your browser doesn't appear to allow cookies by default.
If you still see this message after clicking the link, then your browser settings are likely set to not allow cookies. Please try enabling cookies. You can find instructions at https://www.whatismybrowser.com/guides/how-to-enable-cookies/auto. If you still have issues after this, please contact us.
Additional race information can be found at http://mercerislandhalf.com/.
Join thousands of competitive athletes, recreational runners, walkers and active families for the Spring kick-off event to Puget Sound’s running season! All monies raised support awareness for both Colon Cancer prevention and for local and international Rotary endorsed charities.
If you have any questions about this race, click the button below.Questions?