Barrier Island Ultra

Barrier Island Ultra is a coastal running event held in Port Aransas, Texas on Mustang Island, offering a sand-only course along the Gulf of Mexico. The Eco Series Coast race features six distances: 5K, 10K, half-marathon, marathon, 50K, and 50 miles. Runners choose their sand challenge—hard-packed sand near the water or softer sand near the road—while enjoying sun, wind, and waves.

The race is cupless to reduce waste, with aid stations every 3-5 miles providing Crazy Water and assorted snacks. Finishing on the beach, participants can celebrate at The Beach Lodge and explore Port Aransas afterward. It’s part of the Texas Trail Running Eco Series. Visit the organization's website for the most recent information.