Triathlon Calendar United States 2026-2027

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Explore the best triathlons in the United States for 2026-2027! Our updated list features 594 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

June 2027
Tri for Real at Rancho Seco Park on June 5, 2027 features an Olympic distance triathlon, an aquabike and a super sprint with USA Triathlon sanctioning for the Olympic race and aquabike.
Coolest Ride and Tie in Cools CA on June 5, 2027 features Ride and Tie and Equathon formats and follows Ride and Tie Association standards.
IRONMAN 70.3 Hawai`i on June 5, 2027 in Kohala Coast features an ocean swim in Kailua-Kona, rolling bike and run courses, and qualifying slots for the Kona world championship.
Sprint triathlon in Lewisburg with a 300 yard pool swim, 15 mile bike and 5K run, offering individual and 2 or 3 person relays plus a pre race clinic.
Multiday triathlon weekend at Silver Lake on June 5 and 6, 2027, featuring Intermediate and Sprint triathlon, duathlon, aquabike, youth races and charity entries.
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Triathlon, duathlon and running events at Lake Wilderness Park featuring lake swims, rolling bike routes and trails along the Cedar River.
San Francisco triathlon with a 1.5 mile swim from Alcatraz, an 18 mile bike and an 8 mile run; pro and amateur races with a 2027 random drawing entry.
Tri Greenville Triathlon & Duathlon at Baldwin Lake offers adult sprint tri and du races, an adult relay, youth tri divisions, and a 2.2 mile fun run.
Downtown Nashville triathlon with sprint and Olympic distances, a river time-trial swim, closed bike course on Ellington Parkway, and a flat downtown looped run.
A USAT sanctioned triathlon, duathlon and aquabike in Melbourne Beach, Florida, featuring a 0.25 mile swim, 12 mile bike and 5K run. All finishers receive medals and participants are offered breakfast and awards across multiple categories.
A 70.3 triathlon in Omaha with an exclusive lake swim, rolling bike and run courses, a crossing of the Bob Kerrey Pedestrian Bridge, and warm early June temperatures.
A multi-distance triathlon weekend in Hammond, Indiana featuring Sprint and Olympic races, a Paratriathlon national qualifier, youth and canine events, and programming that honors Military, Veterans, and First Responders.
Sprint triathlon and duathlon at Rancho Seco Park in Herald CA, part of a three-race summer series with finisher medals, race shirts, and age group awards.
Lake Mills Triathlon at Sandy Beach Park on 06/06/2027 features sprint individual and relay races plus a Wisconsin Triathlon Series option with listed registration fees.
Sprint triathlon and concurrent duathlon at Great Pond in Ridgefield, CT with a half mile swim or 2 mile run, a 13 mile bike and a 5K finish.
Vi Tri at El Diamante High School in Visalia offers a USAT sanctioned Super Sprint triathlon plus relay, virtual and a 5k run with shirt, finisher medal and post race meal.
Sprint-distance event in Reston on June 6, 2027 featuring a 400 meter swim, 12 mile bike and 5K run, with aquathon and relay options.
A mixed gravel-bike and trail-running festival in Lyons, Colorado on June 6, 2027, featuring races from 100K to 5 miles plus relays, BMX, camping and a concert.
Multi-day ultra-triathlon series at Big Creek State Park, Iowa, offering distances from 140.6 to 703 miles plus aquabike and duathlon options.
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