Texas Triathlon Calendar 2025-2026

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Explore the best triathlons in Texas for 2025-2026! Our updated list features 917 exciting races across the region. Find your next race in Texas below and join the running community at these great events!

October 2026
Oct
4
Sunday

Ironman 70.3 Waco

Triathlon
Oct
4
Sunday

Playtri Fort Worth Triathlon

Triathlon
Oct
10
Saturday

Savage Race - Dallas

Obstacle Run 3 mi 7 mi
Oct
10
Saturday

Big Brothers Big Sisters Dino Dash

5 km
Oct
10
Saturday

Battle of Hillotes Half Marathon

5 km 10 km 13 mi
Oct
11
Sunday

Autumn Harvest Marathon

Trail Run 5 km 10 km ... 26 mi 12 hr
Oct
11
Sunday

Monster Triathlon

Triathlon
Oct
17
Saturday

The Trail Run at Eagle Mountain Park

Trail Run 2 mi 5 mi
Oct
17-18
Sa - Su

Dallas Spartan Trifecta Weekend

Obstacle Run 5 km 10 km Half Marathon 50 km
Oct
17
Saturday

TXFallenPD Tribute Event

5 km
Oct
17
Saturday

Run the Mission: Race to End Tuberculosis

5 km
Oct
24
Saturday

Paws Colinas 5K

5 km
November 2026
Nov
14
Saturday

El Taco Loco

Trail Run 5 km 10 km ... 50 km 100 km
December 2026
Dec
12
Saturday

RunAround

5 km
Dec
12
Saturday

My Resolution 10K

Trail Run 5 km 10 km
January 2027
Jan
2
Saturday

Iron Horse

Trail Run 100 km 100 mi 200 mi
March 2030
Mar
30
Saturday

Meredith Bryans Raceday Certification

5 km
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