When does the Texas Sun Showdown Half Marathon, Relay & 5k sell out?

Texas Sun Showdown Half Marathon, Relay & 5k hasn't published a hard registration deadline. Most races of this size raise the entry fee in tiers (early-bird, regular, late) and can sell out without warning — sign up early if you're committed.

Half Marathon

Road

Texas Sun Showdown Half Marathon, Relay & 5k

Q: How hard is the Texas Sun Showdown Half Marathon, Relay & 5k Half Marathon?

Texas Sun Showdown Half Marathon, Relay & 5k is a Half Marathon on a road course in San Antonio, Texas. We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.

Q: What should I wear for the Texas Sun Showdown Half Marathon, Relay & 5k?

Race-day weather in San Antonio can swing year over year, so dress for the forecast on the day. As a rule of thumb, dress for ~10°F warmer than the standing temperature once you start running. Layer with a throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, and a singlet plus a visor when it climbs above 60°F. The published start time is 7:05 AM. Check the race-day weather forecast on this page closer to the date for a specific recommendation.

June 14, 2026

San Antonio, Texas

Rolling Course

Decision scores

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We're still profiling this race — fit signals coming soon.

About the Race

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 pr...

Course Profile

Course profile data unavailable for this race.

Course features

Terrain

road

Surface

Road

Elevation gain

Not measured

Course type

Not stated

Field size

Unknown

Boston qualifier

Course map

Not yet published

Elevation profile

Not measured

Accessibility & inclusion

Walker-friendly

Stroller-friendly

Dog-friendly

Kids race

Vibe & community

We don't have vibe tags for this race yet — organizers can claim the listing to add them.

No charity partner listed.

History & past results

Years running

Unknown — claim to add

Recurrence

Annual (assumed)

Past finisher times and year-over-year participation will appear here once the organizer publishes them.

Reviews

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Common questions

How hard is the Texas Sun Showdown Half Marathon, Relay & 5k Half Marathon?

We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.

What should I wear?

Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.