421 Queen Isabella Dr, $35(10K Run) $30(5K Walk) Students & Military w/ID $(10K Run or 5K Walk before May 1, 2019. (956) 943-2262. This event offer’s 10K runners and 5K walkers spectacular views of the beautiful Laguna Madre Bay as they make their way from South Padre Island across the Event & Cultural Center in Port Isabel. Medals will be given to the top 3 overall male and female winners as well as first through third place winner in each male and female age division of the 10K. There will be refreshments and an award ceremony at the finish line. The first 1,000 participants to check in will receive a T- Shirt. Run the beach, cross the bay & join the fun!