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 21 exciting races across the region. Find your next race in Iowa below and join the running community at these great events!
June 2026
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 10.5 mile duathlon at Cone Park Trails in Sioux City on June 26 as part of Trail Fest, combining single-track running and two bike loops. Bikes start first; Level One eBikes are allowed and awards follow with onsite refreshments.
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.
Races around West Lake Okoboji finish on the Arnolds Park Promenade, featuring a triathlon plus half marathon, 10K and 5K. Packet pickup is at the Iowa Great Lakes Area Chamber of Commerce and aid stations appear along the courses.
A patriotic multisport event in Northwood, Iowa on July 25, 2026 where first responders lead off the field. Sprint triathlon, relay, aquabike, and duathlon options are offered, with proceeds supporting local first responder agencies and a scholarship..
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.
Multi-sport races and a 600 m open water swim at King’s Pointe Resort in Storm Lake supporting Kiwanis youth projects, with marked courses, volunteer support, packet pick up, shirts, and medals for participants.
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 sprint and Olympic triathlon in Clear Lake Iowa featuring a City Beach swim, flat bike along South Shore Drive and a lakeside run finishing in City Park. A youth Splash and Dash for ages 7 to 15 is included.
An adventure triathlon on August 29, 2026 near Janesville, Iowa, with a 5 mile river paddle, a 3 mile trail run with a creek crossing, and a 7 mile mountain bike. Proceeds support Ingawanis Adventure Base and Ingawanis Woodland.
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.
A combined paddle and trail run at Quarry Springs Park in Colfax, Iowa. Participants can complete a two mile kayak plus a 3.5 mile run, enter as a relay member, or register for the 3.5 mile run or walk with or without a dog.
October 2026
A weekend multi-sport event in Yellow River State Forest combining trail running, catch-and-release fly fishing, and craft beer. Organized by Running Rivers, proceeds support habitat improvement and promote responsible outdoor recreation.
On October 3, 2026 the Wild Driftless Adventure Race runs in Elkader, Iowa. Teams or solo racers navigate a secret course by map and compass with trekking, biking and paddling options across two timed race formats.