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 852 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

June 2026
A USAT sanctioned multi-sport festival at Nona France Quarry in Blue Creek Metropark, Whitehouse, OH. Events include a sprint triathlon, a duathlon, and a three person super sprint relay with swim, bike and run legs.
A sprint triathlon at Old Hickory Lake on June 20, 2026, with a 400 meter swim, 20 kilometer out and back bike on a closed highway, and a 5 kilometer out and back run. Individual and relay entries are offered.
A day of off-road multisport races in North Liberty, Indiana on June 20, 2026, featuring swim, kayak, mountain bike and trail run formats plus relays and a standalone 7K trail race.
Multi-discipline event in Jupiter Florida on June 20 2026 featuring ocean swims coastal bike routes and park runs across Super Sprint Sprint Duathlon and Aquabike formats. A pancake breakfast follows the races.
A multisport event at Lake Arvesta Farms featuring a waterslide swim start, bike courses on roads closed to traffic, and runs across the property. Formats include triathlon, aquabike, duathlon, and 2- or 3-person relays.
A USAT sanctioned multi-format race day at Quassy Amusement Park featuring Olympic and Sprint triathlons, duathlon, aquabike, and relays, with lake swims, looped bike courses, and a First Timers division with medals.
A sprint triathlon at Lake Cammack Park & Marina on June 20, 2026, featuring a swim in Lake Cammack, a bike on Alamance County roads, and a run on a lakeside trail. Transfer allowed for a five dollar fee; refund rules apply.
Big Mack Sprint Triathlon in Burlington NC on June 20, 2026 features an open water swim at Lake Cammack, a bike on quiet rural roads, and a shaded double loop 5K run. Multiple formats include triathlon, duathlon, aquabike, relay, and virtual entries.
The Lander Reverse Triathlon on June 20, 2026 in Lander, WY features individual and team reverse-order races for adults, teens, and kids with pool swims and relay teams of two or three.
Youth aquathlon in San Jose on June 20, 2026 featuring short run, swim, run races for ages 4 to 17. The event is USA Triathlon sanctioned and part of the 2026 USAT Youth State Series for Northern California.
A sprint triathlon at Byram Lake in Linden, Michigan on June 20, 2026 offering adult and youth divisions. The courses feature a 300 yard swim, an 11.3 mile bike loop and a 2 mile run with staggered wave starts.
A community triathlon at Mt Pleasant High School on June 20, 2026 offering Sprint, Super Sprint, relay races and a combined Tri and Tri Again race limited to 24 entrants; registering by June 5 guarantees a t-shirt.
A triathlon in Lowell, Michigan on June 20, 2026 that replaces the swim with kayaking and pairs trail and road biking and running. Two distance options are offered with individual, relay, rental, and donation entry types.
A duathlon in Chesapeake, VA on June 20, 2026 with sprint and kids mini divisions on an out-and-back course at Dismal Swamp Trail Park, plus aid stations, race shirts, medals, and age-group awards.
Experience a multisport weekend in Medical Lake featuring triathlon duathlon and 5K run options. Compete on paved roads and scenic trails around Waterfront Park during this annual community celebration.
A sprint triathlon and duathlon at Callaway Gardens featuring a 400 meter swim or 1 mile run start, a scenic 9 mile bike loop inside the gardens, and a 2 mile run with one aid station.
A distance based hybrid event on a 400 meter outdoor track combining repeated runs with eight infield strength stations. Options include two distances, four weight levels, solo or team entries, chip timing, a race shirt and finisher medal.
A summer duathlon near Shonto combining out and back bike legs with a 10K plus trail run, age-based registration, aid stations, and a team relay option.
GrandMan returns to Fairhope on June 20, 2026 as an aquathlon featuring a 600 yard swim from the pier and a 4 mile run along the bluff and bayfront, with multiple race categories and a local food and drink after party.
An open water swim and run at Jensen Beach Park offering multiple swim distances and 5K and 10K runs, family activities, live chip timing and fundraising for Operation 300.
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