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

February 2026
Feb
14-16
Sa - Mo

Susitna 100

Multisport
The Susitna 100 is a challenging winter race held in Alaska, featuring both a 100-mile and a 50K course. Participants navigate marked trails through stunning landscapes and varying conditions, showcas..
Feb
21
Saturday

The Winter Challenge Off-Road Triathlon

Triathlon
The Winter Challenge Off-Road Triathlon is an exciting multi-sport event held in rural South Carolina, featuring a 7-mile trail run, a 6-mile kayak segment, and a 10-mile mountain bike course. Partici..
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