Texas Triathlon Calendar 2025-2026

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Explore the best triathlons in Texas for 2025-2026! Our updated list features 653 exciting races across the region. Find your next race in Texas below and join the running community at these great events!

January 2026
Jan
10
Saturday

Hotcake Hustle

5 km 10 km
Jan
11
Sunday

Chevron Houston Marathon

5 km 13 mi 26 mi
Jan
18
Sunday

Big Bend Ultra - Terlingua, TX

Trail Run 10 km 20 km ... 50 km 50 mi
Jan
18
Sunday

MLK 5k - San Antonio

5 km
Jan
24-25
Sa - Su

Franklin Mountains Trail Runs

Trail Run 5 km 10 km ... 55 km 12 hr
Jan
31
Saturday

Trails by Moonlight: Snow Moon

Trail Run
February 2026
Feb
7
Saturday

North Texas Ultra

Trail Run 5 km 10 km ... 52 mi 100 km
Feb
7
Saturday

Rocky Raccoon 100

Trail Run 100 km 100 mi
Feb
8
Sunday

Harlingen Marathon

5 km 13 mi 26 mi
Feb
14
Saturday

Rocky 50 Trail Race

Trail Run 13 mi 50 km 50 mi
Feb
21
Saturday

Race for Hope - Lufkin, TX

5 km 13 mi 26 mi
Feb - Mar
28-1
Sa - Su

Tough Mudder - Austin

Obstacle Run
March 2026
Mar
14-15
Sa - Su

Houston Spartan Trifecta Weekend

Obstacle Run
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