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Triathlon Calendar near Northwest Houston 2025-2026

Explore the top triathlons near Northwest Houston for 2025-2026! We've gathered 118 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
11
Saturday

Bellaire Trolley Run

5 km
Apr
11
Saturday

Spring Fling - Houston

5 km 10 km
Apr
12
Sunday

Art Car IPA 5K

5 km
Apr
18
Saturday

Ironman Texas

Triathlon
Apr
18
Saturday

Space City Half Marathon

5 km 10 km 13 mi
Apr
18
Saturday

Xklusive 6K Race/Walk

6 km
Apr
25
Saturday

Smilin' Rylen Run

5 km 10 km
May 2026
May
2
Saturday

Klein ISD Education Foundation 5K

5 km
May
2
Saturday

Pear Run

5 km 10 km
May
3
Sunday

El Cinco Cinco

5 km 10 km
May
16
Saturday

Operation Ruck the Bayou

5 km 10 km
May
23
Saturday

Fit Foodie Family 5K

5 km
May
25
Monday

Memorial Day Run

5 km 10 km Half Marathon
June 2026
Jun
6
Saturday

Lemonade Dash Houston

5 km 10 km
Jun
27
Saturday

Independence Day 8K

5 km 8 km
July 2026
Jul
3
Friday

5K Fun Walk/Run against Childhood Obesity

5 km
Jul
11
Saturday

Popsicle Dash Houston

5 km 10 km
October 2026
Oct
3
Saturday

Ainsley's Angels Texas Twilight 5K

5 km
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