Triathlon Calendar United States 2026-2027

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Explore the best triathlons in the United States for 2026-2027! Our updated list features 680 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
Sprint triathlon at Rolling View State Park in Durham NC featuring a 400 yard swim, an 11 mile out and back bike on a flat course, and a 2 mile run. It is the third race in a four event Wednesday evening summer series.
A midsummer triathlon at Blish Park with Sprint, Super Sprint, relay and Aqua Bike options. The event features lake swims, looped bike courses and a 5K run around the lake.
Coveathlon #3 in Newport Beach on July 30, 2026 features a mix of swim and run events including a combined 1K swim plus 5K run, standalone swim and run distances, and a relay. Registration fees vary by event and awards are given after each race.
A three-day weekend at Kempton Community Center with gravel rides, cyclocross and cross-country runs, onsite camping, live music, food trucks, and a film screening.
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 women only, non competitive triathlon in Riverton, Utah on August 1, 2026. It includes a 300 meter swim, an 11 mile bike, a 5k run, chip timing and a free family carnival for spectators.
XTERRA Portland is an off road triathlon at Hagg Lake in Gaston, Oregon, with full, sprint and super sprint distances plus youth qualifiers and championship slots.
A triathlon and duathlon weekend at Riverpoint Campground with open-water swims, trail runs under Western Larch trees, mixed-surface bike routes, chip timing and included parking and shuttle service. Kids divisions and team options available.
A one-day sprint race program in St. Petersburg on 08/01/2026 featuring individual, relay, Clydesdale, Athena, duathlon, and aqua-bike formats.
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 centered at Beach 10, featuring a Lake Erie swim, a bike around the peninsula, and a run on the paved trail. Timing, awards, and packet procedures are provided for all entrants.
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. Features a 750 m lake swim, a 20 km bike on Sullivan Lake Road and a 2.5 km out and back run, with youth and team categories available.
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.
A sprint triathlon on Block Island with a 1/4 mile ocean swim, 12 mile bike across rolling hills and a 4 mile run on Crescent Beach; field capped at 500 and helmets required.
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