Thrive San Diego Half Marathon & 5K 2026

The Thrive San Diego Half Marathon & 5K takes place in November at Ski Beach in Mission Bay, San Diego. All courses begin and end at this location. The primary event is a 13.1-mile half marathon, with additional options including a 5K, a two-person half marathon relay, charity entries, and virtual half marathon and 5K races. This marks the series' tenth year. The morning begins with the half marathon and relay, followed by the 5K. The half marathon course is a loop starting on Ingraham Street, proceeding along Mission Bay, and returning to Ski Beach. It features flat, fast sections, bay views, and ocean breezes, avoiding significant hills or complex terrain. Relay participants cover approximately 6.5 miles each over the 13.1-mile distance. The race benefits Make-A-Wish San Diego and promotes community well-being through activity, healthy eating, and charitable contributions.