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 17 exciting races across the region. Find your next race in Iowa below and join the running community at these great events!
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-distance race day at Twin Lakes Bible Camp on August 8, 2026 featuring sprint and super sprint triathlons plus a 500 meter open water swim, chip timing, packet pickup the evening before, and onsite lodging options.
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 lakefront triathlon in Clear Lake Iowa offering Olympic and Sprint distances plus a youth Splash and Dash and relay options.
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.
A multisport navigation race in Elkader, Iowa on October 3, 2026, combining trekking, biking and canoe paddling on a secret course for soloists or teams.
May 2027
Multi-discipline event at Lake Manawa Beach on 23 May 2027 featuring sprint and relay triathlons, aquabike, aquathon, open-water swim and a duathlon, with swim, bike and run courses around the lake.
June 2027
A multisport day at Pleasant Creek State Park featuring sprint and Olympic triathlons, aquabike, a sprint duathlon and a 1500 m open water swim, with relay teams welcome and chip timing for all races.
Annual community race on the High Trestle Trail with 5K, 10K, duathlon and virtual options; 208 athletes participated in 2026 to support the Boone County Hospital Foundation.
A multi-discipline event at Ada Hayden Lake on June 27, 2027 featuring triathlon, relay, paratriathlon, aquabike, duathlon and a swim-only race; the event is chip timed and part of the Heart of America Triathlon Series.