United States
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Alabama8
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Alaska7
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Arizona12
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Arkansas2
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California32
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Colorado7
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Connecticut3
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Delaware3
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District of Columbia
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Florida42
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Georgia12
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Hawaii1
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Idaho9
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Illinois14
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Indiana15
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Iowa6
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Kansas6
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Kentucky3
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Louisiana3
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Maine6
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Maryland10
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Massachusetts13
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Michigan19
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Minnesota16
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Mississippi3
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Missouri8
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Montana3
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Nebraska2
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Nevada
-
New Hampshire1
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New Jersey19
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New Mexico3
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New York40
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North Carolina25
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North Dakota
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Ohio8
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Oklahoma5
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Oregon9
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Pennsylvania16
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Puerto Rico
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Rhode Island
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South Carolina14
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South Dakota
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Tennessee18
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Texas38
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Utah10
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Vermont
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Virginia31
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Washington11
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West Virginia4
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Wisconsin22
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Wyoming2
Triathlon Calendar United States 2025-2026
Explore the best triathlons in the United States for 2025-2026! Our updated list features 542 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
September 2026
Join the Pilot Y Tri Super Duper Sprint in Knoxville for a fast, fun sprint triathlon featuring a 100 yard swim, 5.2 mile bike and 4k run. Friendly competition with age group and overall awards makes it ideal for first timers and seasoned racers alik..
Take on the Rockaway Beach Triathlon and Duathlon with an open Atlantic swim and fast boardwalk bike and run courses along the Queens coastline. Enjoy seaside views and a fun, community race atmosphere for multisport athletes.
Join the Dover Sherborn Boosters Triathlon on Sept 13, 2026 with a sprint 0.25 mile swim, 14.3 mile bike through rolling backroads and a 3.4 mile run. Enjoy a community brunch and support local boosters.
Kick off the inaugural Walsh Lake Triathlon on September 13, 2026 in Fort Worth with lake swims, scenic bike loops and park runs. Choose from a Sprint, a My First Tri for beginners, or a Virtual option to suit every level.
Four themed multisport mornings in Clermont June to September featuring triathlon, duathlon, aquabike, aquathlon and a 5K. New Double Challenge repeats sprint courses back to back, with virtual and relay options at Clermont Waterfront Park.
Join the 9 Women's Triathlon in Hopkinton on September 13, 2026, offering Individual, Relay and AquaBike entries and limited to 650 athletes. Enjoy a supportive race day atmosphere perfect for seasoned racers and newcomers alike.
Join the Classic City Sprint, Duathlon and Aquabike at Sandy Creek Park on September 13, 2026. Choose Sprint, Aquabike, Duathlon or Sprint Relay and tackle scenic swim bike run courses ideal for beginners and seasoned racers.
Valkyrie Multisport Relay in Durango on Sept 19, 2026 invites teams and solo racers to take on seven stages blending trail run, mountain and road biking, paddleboard, swim, river paddle and road run. Choose full or sprint courses or tackle the Ultra..
IRONMAN Maryland in Cambridge offers a scenic flat IRONMAN 140.6 with a 2.4 mile swim in the Choptank River. The bike winds through Blackwater National Wildlife Refuge and Crabby Nation creates a lively hometown atmosphere.
Join She Tris Sprint Triathlon at Carnes Crossroads in Summerville SC on Sept 19, 2026. An empowering all women event with in person and virtual options, youth divisions, training support and a festive finish line party.
Tackle a scenic multisport weekend at historic Playland Park in Rye, New York with Olympic distance triathlon, aquabike, duathlon, relays, collegiate championship and a one mile open water swim. Family friendly TOUGHKids races add extra fun.
Durango's Valkyrie Relay is a scenic multisport team or solo challenge across trails, roads, lakes and the Animas River with full and sprint courses. Teams up to nine or solo Ultra Heptathletes combine running, biking, SUP and paddling.
Challenge yourself at the Texas City Sprint Triathlon, Duathlon and Aquabike in September 2026. Enjoy a sandy bottom swim, a flat fast bike on the dike and a scenic Bay Street Park run with race options for all ages and abilities.
Join the Bear Lake Brawl Triathlon at Bear Lake State Park in Idaho, with race options from sprint to full Iron distance, relays, swim only and virtual entries. Scenic lakeside courses and friendly competition await.
Kick off fall at the Frantic Frog Fall Sprint Triathlon and 5k at scenic Goose Pond Colony Resort in Scottsboro on Sept 19, 2026. Tackle a 500 m swim, 14 mile bike and 5k run or enjoy the standalone 5k for a lively lakeside race day.
Take on the New River Trail Challenge on Saturday, September 19, 2026 in Max Meadows, Virginia, a three stage riverfront event combining a 40 mile bike, a 12.1 mile downriver kayak and a half marathon run. Enter solo or with a team for a scenic test..
IRONMAN 70.3 Washington Tri Cities in Richland on September 20, 2026 brings fast courses and pro energy. PLAYTRI will be onsite with bike rentals, tune ups and full service so athletes can race with confidence.
Prepare for IRONMAN 70.3 Michigan in Frankfort with PLAYTRI onsite support. Rent race ready bikes, get pro tune ups and bike packing services from experienced mechanics so you can focus on race day.