Hawaii Kai Ultra Run XTreme 2026

The Hawaii Kai Ultra Run XTreme offers a 9-mile loop course. Runners can "Choose your distance" and "Choose your own start time," with wave starts available for HURT qualifiers. The course runs between Kalama Valley, Kamilo'iki, and Hahaione parks, featuring "Heartbreak Hill" and running "in the opposite direction of traffic." This is a "Show Up and Sign In event" with no packet pickup. It is a "cupless event" to "reduce waste"; bring your own hydration.