Come enjoy the fun and party of the 10th Annual Galveston 1/2 and Full Marathon and the Galveston 5K. ENJOY THE COURSE THAT STARTS AT STEWART BEACH PARK AND TRAVELS TO EAST BEACH AND DOWN THE GALVESTON SEAWALL. The start/ finish will be at Stewart Beach Park located at 201 Seawall Blvd. Galveston, Texas. The 1/2 marathon will be a 1 loop course with the full marathon taking you a second time up and down the seawall. The event is run on the roads not the beach.