Texas Sun Showdown Half Marathon, Relay & 5k 2027 — San Antonio, TX

We invite you to join us for the 3rd AnnualTexas Sun Showdown Half Marathon, Relay & 5k Three great options: Want a challenge? Run the Half Marathon. Want to get a team together to relay? Grab your friends, find your team shirts or costumes! You can also run the 5K solo. Participants receive a Texas finisher medal, an awesome Texas theme shirt and delicious Texas barbecue food post race. TIME LIMIT FOR THE HALF MARATHON IS 4 HOURS. Relay Info: You will be prompted to join an existing Relay Team or create a new Relay Team during the registration process. Registration fee is a per person fee. All team members must register separately. Relay Categories: Open (All male, all female, or co-ed, any age) Masters (All male, all female, or co-ed, ages 40+) Super Masters (All male, all female, or co-ed, ages 50+) Mixed X (3 female, 1 male, any age) Mixed Y (3 males, 1 female, any age) Military Schedule of Event 7:15AM HALF MARATHON AND 2-PERSON RELAY START 7:20AM 4-PERSON RELAY START 7:30AM 5K START 8:30AM 5K AWARDS 9:45AM RELAY 1/2 MARATHON AWARDS 10:00 AM HALF-MARATHON AWARDS Race Routes : Half Marathon and 2-person relay (half marathoners will complete 2 loops) See Route Here 4-person relay route: See Route Here 5K: See 5K Route Here The Virtual Texas Sun Showdown 5K and Half Marathon are races that you can run or walk from any location and route. You get to run your own race, at your own pace, and time it yourself. Signup, download and print your race bib, complete the run and submit your results. When you submit your time, you will also be able to download, print and/or share your Finisher's Certificate. Complete your race and submit your results between: June 15, 2026 12:00am- June 30, 2026 11:59pm