Triathlon Calendar United States 2026-2027

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Monthly updates for United States

Get new running races (and updates) in your inbox every month.

Explore the best triathlons in the United States for 2026-2027! Our updated list features 903 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

November 2027
The Valkyrie 100 Mile Challenge is a flexible, virtual goal to complete 100 miles at your own pace. You can walk, run, bike, hike, or ride a horse to log your miles, with no time limit. Upon finishing, you receive a custom pegasus-themed medal, a pat..
August 2029
The Pickle Events Triathlon in St. Cloud offers both sprint and Olympic distances for individuals and relay teams. Athletes start with a swim at Island Lake Park Pavilion. Registration is available online and at a Saturday evening packet pickup.