Iowa
Iowa Triathlon Calendar 2026-2027
Monthly updates for Iowa
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Explore the best triathlons in Iowa for 2026-2027! Our updated list features 23 exciting races across the region. Find your next race in Iowa below and join the running community at these great events!
May 2026
A USAT-sanctioned sprint triathlon at Wartburg College on May 2, 2026, featuring a 300 yard swim, 15 mile bike and 3.1 mile run with options for individuals and relay teams.
A triathlon on May 2, 2026 at the All Seasons Center in Sioux Center, IA, with a pool swim and indoor transition area. Individual and team entries are available with early and late registration fees; shirts guaranteed if registered by April 18.
Black Squirrel Triathlon at Lake Manawa Beach on May 17, 2026 offers sprint triathlon, aquabike, swimrun, relay, and a 750 meter open water swim, with medals and age group awards.
Participate in a safe and structured multi sport season at the Iowa Championship Triathlon Series. This series features various races with included insurance and professional water testing for a seamless athlete experience.
June 2026
A multi-discipline race day at Pleasant Creek State Park offering sprint and Olympic triathlons, aquabike races, a 1500 m open water swim, and a sprint duathlon; relay teams are accepted and events are chip timed.
On June 20, 2026, Trestle Hustle runs on the High Trestle Trail in Madrid, Iowa, offering 5K, 10K, duathlon and virtual options. Timed in person races include finisher medals and support the Boone County Hospital Foundation.
A multisport race in Maquoketa combining canoe or kayak paddling, cycling, and a 5K run with full and express route options and individual and team divisions across competitive and recreational categories.
Ames Triathlon on June 28 2026 offers swim bike and run formats around Ada Hayden Lake in Ames Iowa. The event is chip timed, includes a paratriathlon category, and features individual, relay, aquabike, duathlon, and swim only races.
July 2026
A sprint triathlon in DeWitt, Iowa on July 18, 2026 featuring a 500 yard swim in Lake Killdeer, a 15 mile bike and a hilly 5k run. Open and age group divisions include Clydesdale and Athena categories with cash prizes.
A weekend of triathlon and road trail races around West Lake Okoboji, held each year on the third Saturday in July, with individual and team triathlon options, half marathon 10K and 5K distances, and awards for top finishers.
A patriotic multisport event in Northwood Iowa where First Responders lead the field and others follow as backup. Multiple formats include sprint triathlon, relay teams, aquabike and duathlon with proceeds supporting local emergency services and a sc..
August 2026
Experience a scenic sprint triathlon in Muscatine featuring a 750 meter swim, 12.4 mile bike, and 5k run. This family friendly event includes youth races, a farmers market, and awards for elite and age group athletes.
Triathlon and aquabike races take place at Gray's Lake Park with a sandy beach swim start and a closed bike course. Distances include sprint and Olympic formats, plus relay, high school, duathlon, and a 1500 m swim.
A multi-event race day at Twin Lakes Bible Camp in Manson, Iowa, featuring Sprint, Super Sprint and a 500 m open water swim. Events include swim, bike and run segments with chip timing, on-site lodging options and age-group awards.
The inaugural YMCA of Washington County Triathlon on August 8, 2026 at the Washington YMCA features a 300 yard pool swim, a 13 mile out and back bike on the Kewash Trail, and a 5K run through Sunset Park. Individual and team options are available.
A charity multi discipline event at King’s Pointe Resort in Storm Lake on August 15, 2026, featuring a sprint triathlon, duathlon and a 600 meter open water swim with proceeds benefiting Hy Noon Kiwanis youth projects.
Experience a scenic sprint triathlon featuring a swim in Lake Icaria a bike through the countryside and a trail run. Individual and relay options are available alongside a 5K fun run and an open water swim.
A USA Triathlon sanctioned triathlon in Clear Lake, Iowa on August 29, 2026, offering Olympic and Sprint distances, a City Beach swim, a flat bike course, and a lakeside finish at City Park.
A community fundraising race at Schram Pond in Manchester, IA, offering sprint triathlon and duathlon formats with individual and 2 to 3 person team options. Proceeds support Delaware County emergency services and entry includes a t-shirt, medal, and..
September 2026
A sprint triathlon at George Wyth State Park featuring a 500 meter swim, 16.5 mile bike and 5K run, with individual, relay and swim only options supporting the Family YMCA of Black Hawk County.