Texas Sun Showdown Half Marathon, Relay & 5k logo

Texas Sun Showdown Half Marathon, Relay & 5k

Texas Sun Showdown Half Marathon, Relay & 5k is a running race on June 13, 2027 in San Antonio, TX, with entry fees from $40 to $88.

Date
June 13, 2027 (325 days to go)
Price
$40–$88
Sport
Running
Register →

From the Organizer

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

Events

Half Marathon$88
4-Person Half Marathon Relay$40
2-Person Relay$40
5K$40

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

92°

Typical Low

73°

Chance of Rain

24%

Based on US Climate Normals data from San Antonio Intl Ap, 5 mi from the venue.

Sunrise 6:33 AMSunset 8:34 PMDaylight 14h 2m

Host City

About San Antonio, TX

Population

1,458,954

as of 2023

City Elevation

781 ft

Nearest Airport

SAT

San Antonio International Airport · 5 mi

Time Zone

Central Time

From Endurance Grid

A big city race. Expect multiple lodging options and plenty to do the day before.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Texas Sun Showdown Half Marathon, Relay & 5k, put it on the calendar, and turn “someday” into a start date.

325

Days to train

Race
Texas Sun Showdown Half Marathon, Relay & 5k
Date
June 13, 2027

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From Endurance Grid

About This Sport

Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.

With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.

Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.

Read the Guide

Running

From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Plan your trip

Make it a Racecation

Coming from out of town? There's more to San Antonio than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.

Plan your trip to San Antonio
Lodging
Flights
Rental Car
Activities

Frequently Asked Questions (FAQs)

What is the Texas Sun Showdown Half Marathon, Relay & 5k?+
Texas Sun Showdown Half Marathon, Relay & 5k is a running race held in San Antonio, Texas on June 13, 2027. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Texas Sun Showdown Half Marathon, Relay & 5k?+
Sunday, June 13, 2027 in San Antonio, Texas at McAllister Park-Pavilion #2. Check the event page for exact start times and wave schedules.
How do I register for the Texas Sun Showdown Half Marathon, Relay & 5k?+
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Texas Sun Showdown Half Marathon, Relay & 5k

Jun 13, 2027

Register →