Marathons and running races in Guam
1 half marathon in Guam.
The next one is the Guam Ko'ko' Half Marathon on 11 April 2027.
Filter and compare these races
Cookies on iRun42
We use essential storage to remember your preferences. With your permission, our travel affiliate partner Travelpayouts also use cookies to track bookings made through our links, which helps keep the site free. You can change your choice at any time from “Cookie settings” at the bottom of every page. Privacy policy