Triathlon Calendar United States 2026-2027

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Monthly updates for United States

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Explore the best triathlons in the United States for 2026-2027! Our updated list features 895 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

July 2026
A two-day community weekend at Kempton Community Center with gravel rides, cyclocross and run races, on-site camping, meals, and live music near Hawk Mountain. Events include multiple gravel route options, a 5k, multi-lap cross races and the Sundown..
Aquaman at Howard Amon Park on July 31, 2026 combines a half mile swim in the Columbia River with a three mile run along park footpaths. Online entry is limited to 300 athletes and includes youth team categories for ages 13 to 18.
A new 2026 aquathlon at Manhattan City Park with a 1.5 mile run, 500 yd swim, and another 1.5 mile run. Competitors may enter solo or as two person teams and proceeds support the Manhattan Parks and Recreation Foundation.
August 2026
TriathaMOM is a fully supported, non-competitive triathlon for women in Riverton, Utah on August 1, 2026. Distances include a 300 meter swim, a 12 mile bike ride and a 5k run with chip timing and body marking.
An off-road triathlon at Hagg Lake on August 1, 2026, featuring full, sprint, and super sprint distances, youth categories, trail-based bike and run courses, and XTERRA World Championship qualifying slots.
A multi-format event at Riverpoint Campground with open water swims, mixed-surface bike routes and wooded trail runs, plus chip timing, shuttle service and kids races.
Top Gun Triathlon in St. Petersburg on August 1, 2026 offers sprint triathlon, duathlon, aqua-bike and relay options with short swim bike and run segments; registration opens October 14, 2025 and fees range from $80 to $160.
Big Lake Graniteman at Lakeside Park in Big Lake, MN offers sprint and Olympic distance triathlons with individual and relay options. Swim takes place in Big Lake, with a flat bike course and a lakeside run.
A multisport event in Knoxville on Aug 1, 2026 featuring sprint, Olympic and half-iron formats with downstream river swims, scenic bike routes through South Knoxville, and riverside runs finishing at Suttree's Landing.
A USAT sanctioned multisport day at Lake Tye Park in Monroe on August 1, 2026. Events include Sprint, Olympic, youth, duathlon, aquabike and a 5K run with relay and weight division options, medals and post race food.
DINO Gravel Triathlon at Griffin Bike Park in Terre Haute features triathlon, duathlon, kayak triathlon, relays and a 10K trail run. Races combine a 12 mile gravel bike on gently rolling terrain with trail running and either a 500 m swim or a short p..
Experience a USAT certified triathlon near the Shoshone National Forest in Wyoming. Choose from Sprint, Olympic, or Half distances featuring a reservoir swim and a scenic bike through the South Fork Valley.
A sprint triathlon at Presque Isle State Park featuring a Lake Erie swim, a full-peninsula bike route, and a paved-trail run, with timing, awards, and participant gear included.
A triathlon in Agness, Oregon on August 1, 2026 featuring a down-river swim followed by a run and then a bike on paved Forest Service Roads. Options include Sprint, Mini, and 2 to 3 person relay entries.
A sprint triathlon at Sullivan Lake in the Colville National Forest near Ione, Washington. Swim in the lake, bike along Sullivan Lake Road and run out to Harvey Creek Bridge, with participant shirts, swim caps, bibs and a finisher medal for finishers..
A long-running triathlon in Socorro, NM combining a 400 m pool swim, a 20 km bike through town and the New Mexico Tech campus, and a relatively flat 5 km run through residential streets.
Experience a sprint triathlon on Block Island featuring an ocean swim, a 12 mile bike ride across rolling hills, and a 4 mile beach run finish for up to 500 participants.
A triathlon in Boiling Springs, Pennsylvania on August 1, 2026 offering Individual and Team Relay entries, each with a 600 yard swim, 15 mile bike and 3 mile run. Registration dates and fees are set per entry.
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.
A youth triathlon finale in Southington Connecticut for Race4Chase program participants after six weeks of training, with free registration for eligible members and a complimentary USA Triathlon Youth annual membership for all participants.
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