Triathlon Calendar United States 2026-2027

Header image
Monthly updates for United States

Get new running races (and updates) in your inbox every month.

Explore the best triathlons in the United States for 2026-2027! Our updated list features 894 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

May 2027
A sprint triathlon at Smith Mountain Lake State Park featuring a 750 meter lake swim, a rolling 20K bike and a 5K out and back run. Aquabike is offered and the event is USA Triathlon sanctioned.
Defuniak Springs Sprint Triathlon is held in Defuniak Springs, Florida on 05/01/2027 and features a 600 meter swim, a 16 mile bike and a 5k run. The event includes a post-race meal and a celebration while supporting local non-profits.
A multisport festival in Glen Allen, Virginia on May 2, 2027 offering triathlon, duathlon, aquabike and two person mixed relay races for youth and adults. The event includes draft legal and non draft formats and a USAT Youth and Junior Nationals qual..
Round 5 of the North Carolina Triathlon Series at The Grand Regal on Goldston's Beach in White Lake, NC, featuring International and Sprint triathlon formats with individual, relay, and aqua-bike options.
Dooby Du is a duathlon at Secor Metropark near Toledo, Ohio. The course includes a 2.5 mile run, a 13.5 mile bike and a 5k run, and the race is sanctioned by USAT.
A multi format triathlon at the JW Marriott Resort and Spa in San Antonio on May 8, 2027, featuring swim legs in the resort lazy river and bike and run courses on resort and TPC grounds with relay and AquaBike options.
A weekend triathlon at Lake Anna State Park with beach lake swims, rolling bike courses and looped park runs. Three distances are offered and the event is USA Triathlon sanctioned.
A non swimming triathlon in the Root River Valley near Houston, Minnesota on May 15, 2027. Paddle 6.8 miles, bike 7.9 miles and run 3 miles through trails and town; participants under 17 require guardian consent.
Pool swims and flat park runs combine with an urban bike tour around Midtown Nashville, staged from Centennial Park near the Parthenon. Multiple race formats include Super Sprint, Sprint and relay options, and the event follows USA Triathlon rules.
A sprint and Olympic triathlon at Lake Nockamixon State Park in Quakertown, PA. Swim a buoys marked lake course, ride on a closed, well paved bike loop, and run along Route 563 with aid stations every mile.
A lakefront triathlon at Pinewood Lake in Trumbull, CT with a 1 mile swim, 25 mile bike, and 5 mile hilly run. Proceeds benefit the Cardinal Sheehan Center and the event includes live results, prizes, and race awards.
A multi-discipline event in Fort Worth on May 16, 2027 offering sprint and Olympic triathlons plus a run bike run duathlon. USAT sanctioned with chip timing, relay options, a virtual race, and finisher medals for all finishers.
Shi-Tri is a run, paddle and bike triathlon in Downtown Owosso along the Shiawassee River. Entrants may compete individually or as a 2 to 3 person relay and choose to race or take a recreational pace.
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.
A multi-distance triathlon in Austin with swim in Lady Bird Lake, bike through downtown near the Texas Capitol, and a run through Butler Park finishing at Auditorium Shores. Options include SuperSprint, Sprint, and Olympic distances.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.