Triathlon Calendar United States 2025-2026

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Explore the best triathlons in the United States for 2025-2026! Our updated list features 10719 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

January 2026
Jan
17
Saturday

The Best Races - Kansas City

5 km 10 km 13 mi
Jan
17
Saturday

The Best Races - Fort Worth

5 km 10 km 13 mi
Jan
17
Saturday

The Best Races - San Antonio

5 km 10 km 13 mi
Jan
17
Saturday

The Best Races - Las Vegas

5 km 10 km 13 mi
Jan
17
Saturday

The Best Races - San Diego

5 km 10 km 13 mi
Jan
17
Saturday

The Best Races - Seattle

5 km 10 km 13 mi
Jan
17
Saturday

The Best Races - Sacramento

5 km 10 km 13 mi
Jan
17
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Jan
17
Saturday

Cookie Classic Run

Jan
17
Saturday

Finish the Dam 5k

5 km
Jan
17
Saturday

Running of the Bulls 5k - Valrico

2 mi 5 km
Jan
17
Saturday

Detroit Auto Show 5K

5 km
Jan
17
Saturday

Mammoth Ice Age 5K Run

5 km
Jan
17-18
Sa - Su

Whitewalker Ultra

Trail Run 100 km
Jan
17
Saturday

Rabid Raccoon 25k

Trail Run 25 km
Jan
17
Saturday

Ouachita Switchbacks

Trail Run 10 mi 25 km 50 km
Jan
17
Saturday

Chills In The Mill: Harwoods Half Marathon

Trail Run 5 km 21 km
Jan
18
Sunday

MLK 5k - San Antonio

5 km
Jan
18
Sunday

Carlsbad Marathon

5 km 21 km 26 km 42 km
Jan
18
Sunday

Naples Half Marathon

21 km
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