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 702 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
USAT sanctioned triathlon at Paradise Park in Chisago City on July 26, 2026 offering sprint, Olympic and half distances with aid stations and GPX course files.
Honor military sacrifice at this patriotic multi-sport event featuring triathlon and duathlon distances at Smithville Lake Missouri. Choose between short and long courses with all proceeds donated to charity.
A mid summer IRONMAN 70.3 in Augusta, Maine featuring a fast Kennebec River swim, a 56 mile bike and a rolling 13.1 mile run.
A multi format triathlon at Ottawa Lake State Park on July 26, 2026 offering sprint and Olympic distances as individual and relay events, plus a Wisconsin Triathlon Series entry; published fees and registration dates are provided.
A sprint triathlon at Gillie Lake in Camillus supporting the Carol M. Baldwin Breast Cancer Research Fund, featuring a half mile swim, a 14 mile bike and a 5k run with all net proceeds donated to local breast cancer research.
A lakeside triathlon festival in Findley Lake NY with Sprint and Olympic triathlon and AquaBike options, a Double event linking both distances, relay entries, paratriathlon categories, and no cut-off times.
A nonprofit sprint triathlon at Clemmons West Pool featuring a 300 m swim, 12 mile bike, and 5K run with categories for novices, age groups, relays, aquabike, and weight divisions.
A sprint triathlon in Crescent City with a 500 yard pool swim, a 12 mile bike along the Pacific, and a 5 km run by Beach Front Park; includes adult, relay, duathlon, and kids' races with age-specific distances.
At Goleta Beach Park, triathlon, aquabike and swim/run races feature calm ocean swims, flat bike paths and spectator friendly run courses in Santa Barbara County.
Coastal multisport event in Solana Beach on July 26, 2026 featuring ocean swims, bike courses along the Pacific Coast Highway, a 5K, relay and challenged-athlete categories, and proceeds supporting the Life Sports Foundation.
Marble Falls Triathlon on July 26, 2026 features sprint and intermediate courses with open-water swims in Lake Marble Falls, USAT sanctioning, and bike and run routes through town and surrounding countryside.
The 30th Hoot Lake Triathlon in Fergus Falls features a 1/4 mile swim, 15.7 mile bike, and 3.3 mile run with proceeds supporting LIVESTRONG at the YMCA.
A short-course triathlon in Saint Louis with individual and relay options, timed results, and a post race lunch provided by the title sponsor.
A triathlon in Charleston on July 26, 2026, listed at 15.475 Miles, held at 871 Riverland Dr. This is Race 3 of the Charleston Sprint Triathlon Series with registration opening and closing on December 28, 2025 and a stated fee of $0.00.
Wauconda Triathlons in Wauconda, Illinois feature adult Olympic and Sprint races plus a kids triathlon, with course maps, results, and volunteer opportunities.
A USAT sanctioned swim-bike-run on the UTPB campus featuring a 400 yd pool swim, a flat 20k bike with three loops, and a 5K campus run with limited entries.
A sprint multisport event in Orlando on July 26, 2026 with swim bike and run options, relay teams, post-race activities at Boxi Park, participant shirts and medals, and awards across multiple age categories.
Experience a scenic multisport event at Vilano Beach featuring ocean swims and cycling through the GTM Research Reserve. Choose between Olympic and Sprint distances for triathlon duathlon or aquabike categories in historic Florida.
A sprint triathlon at Broadlands Community Center in Ashburn, VA on July 26, 2026 featuring a 300 meter pool swim, 12 mile bike and 5k run. Solo and 2 or 3 person team entries include shirts and finisher medals.
Experience a scenic 14 mile triathlon in Mattapoisett organized by the local Lions Club. This event supports regional charities and offers individual, youth, and relay categories for athletes of all backgrounds.
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.