The Big Kahuna 5K, 10K - San Antonio

Get ready to infuse your run with vibrant island energy at The Big Kahuna 5K, 10K in San Antonio on June 20, 2026. Hosted by Bigfoot Running Company at Southside Lions Park, this family-friendly event promises a tropical escape for runners of all ages and abilities. Participants can choose from a Kids Dash, 1 Mile, the 5K "Island Dash" (3.11 miles), or the more challenging 10K "Big Kahuna Challenge" (6.22 miles). Expect a lively atmosphere from start to finish, complete with music, leis for all participants, and a festive tropical photo backdrop to capture your post-race glow. Typical race day conditions in late June bring highs around 96°F and lows around 75°F, with a low chance of precipitation.

The course at Southside Lions Park offers a varied experience with a mix of pavement, crushed granite, and some natural dirt paths. As the race winds through the park's greenbelts, runners should be mindful of other public space users like dog walkers and cyclists. Aid stations will be conveniently located along the course to keep you hydrated and energized. Every finisher in the 1 Mile, 5K, and 10K races will earn a well-deserved medal, while the youngest sprinters in the Kids Dash receive a special medal. Beyond the run, enjoy a post-race tropical treat and the chance to spot the Bigfoot mascot, perhaps even sporting a lei.

The Big Kahuna is more than just a race; it's a celebration of summer with luau vibes and bright colors. Runners receive a super-soft Big Kahuna race tee, and optional add-on swag like coconut cups and hula skirts are available to complete your island look. Whether you're aiming for a personal best in the chip-timed 5K or 10K, or simply looking for a fun and engaging walk with the family, this event brings a unique blend of athleticism and aloha spirit to San Antonio's running scene.