TS

Texas Sun Showdown Half Marathon, Relay & 5k

Race Date

Jun 14, 2026

Location

San Antonio, TX

The Experience

ALL VIRTUAL EVENTS ARE NOW CLOSED! 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 Packet Pickup Info:  Pre-Race Packet Pickup-Saturday June 13th 11-4 PM IRUN Race Day June 15th McAllister Park Pavilion #2 from 6-7:30 AM 13298 Buckhorn Rd, San Antonio, TX 78247 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

Logistics

Race Day

Sunday, June 14, 2026

Start Time

7:05 AM

Giveaway

Tee

Start Location

McAllister Park-Pavilion #2, San Antonio, TX, 78247

Directions

Course Info

USATF Certified

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Elevation Gain

104'

Elevation Loss

108'

Max Elevation

791'

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

13.1 Miles5K

USATF Certified Course

TX16098ETM · Expires 2026 · The Showdown Half Marathon

Relatively flat with minimal net elevation change. Loop course — start and finish are close together.

Course Map

1 other map for this race

    Historical Performance

    Median Finish

    2:22:25

    10:52/mi

    Winning Time

    1:32:44

    7:05/mi

    Finishers (2025)

    47

    States Represented

    3 / 50

    Gender Split

    57% Female43% Male

    Finish Time Distribution

    1:303:25

    FASTER 25%

    1:51:55

    MEDIAN

    2:22:25

    SLOWER 25%

    2:45:07

    Average runner age: 39

    Race Day Weather

    5-year historical avg

    Start (Low)

    75°

    Afternoon (High)

    95°

    Hot conditions — adjust pace expectations, prioritize hydration

    0.1"

    Precipitation

    12 mph

    Wind

    67%

    Humidity

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