

Texas Sun Showdown Half Marathon, Relay & 5k
- Date
- Sunday, June 13, 2027
Registration links may earn us a small commission at no extra cost to you.
When and where is Texas Sun Showdown Half Marathon, Relay & 5k?
Texas Sun Showdown Half Marathon, Relay & 5k is on Sunday, June 13, 2027 in San Antonio, Texas. The first event starts at 7:00 AM local time. Distances: 5K and half marathon. Current entry fees run $40 to $88 on RunSignup, before processing fees. Online registration is open and closes Jun 13, 2027.
Events & distances
| Event | Distance | Start | Entry fee | Registration |
|---|---|---|---|---|
| Virtual Half Marathon | 13.1 Miles | Jun 13, 2027, 12:00 AM | $88.00 until May 9, 2027 | Opens Sep 11, 2026 · Closes Jun 10, 2027 |
| Virtual 5K | 5K | Jun 13, 2027, 12:00 AM | $40.00 until May 9, 2027 | Opens Sep 11, 2026 · Closes Jun 10, 2027 |
| Half Marathon | 13.1 Miles | Jun 13, 2027, 7:00 AM | $88.00 until May 9, 2027 | Opens Sep 11, 2026 · Closes Jun 13, 2027 |
| 4-Person Half Marathon Relay | 13.1 Miles | Jun 13, 2027, 7:05 AM | $40.00 until May 9, 2027 | Opens Sep 6, 2026 · Closes Jun 13, 2027 |
| 2-Person Relay | 13.1 Miles | Jun 13, 2027, 7:05 AM | $40.00 until May 9, 2027 | Opens Sep 15, 2026 · Closes Jun 13, 2027 |
| 5K | 5K | Jun 13, 2027, 7:10 AM | $40.00 until May 9, 2027 | Opens Sep 11, 2026 · Closes Jun 13, 2027 |
Fees shown are the RunSignup price tier in effect now, before processing fees. Times are local to the race.
About Texas Sun Showdown Half Marathon, Relay & 5k
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
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
Description provided by the race organizer via RunSignup.
Race data provided by RunSignup and refreshed every morning(last sync Nov 12, 2026). Registration happens on RunSignup; Lone Star Strides may earn a referral commission at no cost to you. Always confirm dates and details on the official race page.
More races near San Antonio
Other upcoming running events in this area.




Training and gear for race day

Fort Worth Marathon 2026 results: San Antonio’s Ricardo Bonilla wins in 2:25:08, and Saleena Harner, 45, is sixth overall
Official 2026 Fort Worth Marathon results: Ricardo Bonilla won in 2:25:08 and Saleena Harner in 2:50:56. Half, 20-mile, 10K and 5K winners and finisher counts.

Texas race weekend, Nov. 21–22: the Houston 25K, a sold-out Shiner Beer Run, the Pie Run and a backyard ultra
Texas races on Nov. 21–22, 2026, the weekend before Thanksgiving: the Houston 25K, Great Houston Pie Run, Shiner Beer Run, Turkey Trails Austin and more, with fees.

ASICS Gel-Nimbus 29 vs. Brooks Glycerin Max 3: two max-cushion trainers, one Dec. 1 release date
The ASICS Gel-Nimbus 29 ($170) and Brooks Glycerin Max 3 ($200) both release Dec. 1, 2026 and are on preorder now. New foams, weights, drops, and which one fits a Texas winter marathon build.