From the Organizer
We are bringing back our Texas Tough With a Trully Tough Course in San Antonio Tx. We will be having something new and challenging for you. The Race will start at Eisenhower Park and we will be having an option where you can run a Half Marathon by yourself to challenge the hills or for those who want to split the fun and challenge you can sign up for the 3 person relay or just try yourself at the fast challenging 5k. All runners will receive a medal for finishing the race. Age group awards will be given in age group for the half and 5k. Awards for the 3 fastest relay teams in the following categories (Open Male, Open Female, Masters female, Masters Male, Coed, Mixed) All runners will be able to enjoy a a meal. Sign up today.
Events
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
89°
Typical Low
69°
Chance of Rain
22%
Based on US Climate Normals data from San Antonio Intl Ap, 8 mi from the venue.
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.
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Texas Tough Relays Half Marathon & 5k, put it on the calendar, and turn “someday” into a start date.
89
Days to train
- Race
- Texas Tough Relays Half Marathon & 5k
- Date
- September 20, 2026
Coming Up
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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.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the Texas Tough Relays Half Marathon & 5k?
- Texas Tough Relays Half Marathon & 5k is a running race held in San Antonio, Texas on September 20, 2026. 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 Tough Relays Half Marathon & 5k?
- Sunday, September 20, 2026 in San Antonio, Texas at 19399 NW Military Hwy. Check the event page for exact start times and wave schedules.
- How do I register for the Texas Tough Relays Half Marathon & 5k?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Texas Tough Relays Half Marathon & 5k
Sep 20, 2026