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 11489 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

March 2025
Mar
29
Saturday

Mercier Orchards Hard Cider 5k

5 km
Mar
29
Saturday

Hawk Walk and Run

5 km
Mar
29
Saturday

Vike Hike

5 km 10 km
Mar
29
Saturday

Shamrock 'N' Run 5K

5 km
Mar
29
Saturday

Heart of Duncanville 5K

5 km
Mar
29
Saturday

Down Syndrome Association of Brazos Valley Run "With A Little Extra"

Trail Run 5 km 10 km 13 mi
Mar
29
Saturday

CoopStrong 4-Miler

4 mi
Mar
29
Saturday

Wilmington Senior Center 5K

5 km
Mar
29
Saturday

Sandlot Marathon

Trail Run 13 mi 26 mi
Mar
29
Saturday

Fit for a Lifetime

5 km 10 km 13 mi
Mar
29
Saturday

Hope 4 Kids 5K

5 km
Mar
29
Saturday

Run for Great Schools 5K

Mar
29
Saturday

Heart Health Nutrition Awareness 5k

Mar
29
Saturday

Windmill Farm Winery St. Patricks Day 5k

Mar
29
Saturday

Chimney Rock Trail Series 10k & 5k

Trail Run
Mar
29
Saturday

Race of Champions - Altoona

Mar
29
Saturday

Seton Center 5K

Mar
29
Saturday

Celebration Pointe 5K

Mar
29
Saturday

LRWP 5K

Mar
29
Saturday

Celebrate Life 5K

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