Arizona
Arizona Triathlon Calendar 2026-2027
Monthly updates for Arizona
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Explore the best triathlons in Arizona for 2026-2027! Our updated list features 13 exciting races across the region. Find your next race in Arizona below and join the running community at these great events!
March 2026
The Whiptail Duathlon offers trail running and biking on Arizona's technical singletrack. Choose from four race distances across two formats: classic Run-Bike-Run or Bike-Run-Bike. Teams can also tackle the course as a relay.
Event Details
The Oro Valley Triathlon and Duathlon Festival is a multisport event featuring triathlon, duathlon, and aquabike disciplines. It is a USA Triathlon (USAT) sanctioned event.
Distances & Formats
The event includes the following format..
A multisport event at Anthem Community Center offering sprint and super sprint triathlon, aquabike, duathlon, relays and a 5km run to benefit local community charities. Chip timing, finisher medals and awards for top finishers.
A multisport race day at Lake Havasu State Park on March 15, 2026 featuring Olympic, Sprint, and youth events, an updated bike course with more closed-course miles, and an out-and-back run along the Shoreline Trail.
Join experienced coaches in Tucson for four days of swim, bike, and run training including the Mt. Lemmon climb. Refine your form and fueling while building fitness for the 2026 triathlon season.
Event Overview
The Merrill Ranch Triathlon is a multisport event taking place at Merrill Ranch in Florence, Arizona. It features multiple race formats: a triathlon, an aquabike, and a duathlon, with separate categories for adults, youth, and relay te..
April 2026
A multisport event at Tempe Arts Park offering Sprint and International triathlon, duathlon and aquabike distances for individuals and relay teams, with chip timing, finisher medals, a hoodie and USA Triathlon sanctioning.
July 2026
Mountain Man Triathlon - Sprint and Olympic races at Lake Mary in Flagstaff, held since 1984 with scenic views of the San Francisco Peaks and nearby lakes, finisher medals and t-shirts, and RFID chip timing.
August 2026
Mountain Man Triathlon at Lake Mary near Flagstaff offers Long and Olympic courses on August 16, 2026. The family run event features mountain and lakeside views, finisher medals, handcrafted awards, and RFID timing.
The Anthem Sprint Triathlon offers a unique reverse-order format: run, bike, then swim in the pool. It features adult, kids, and relay categories at the Anthem Community Center. All finishers get a medal and a hoodie.
September 2026
A sprint triathlon and related events at Skyline Aquatics Center in Mesa, serving as a fundraiser for the Foundation for Mesa Parks and Recreation, with chip timing and race options including a kids Splash N Dash.
October 2026
Challenge yourself in the Arizona desert at the Castle Creek Triathlon. Choose from Olympic or Sprint distances in triathlon, duathlon, aquabike, or a unique kayak/SUP division. The event features a scenic course at Lake Pleasant with finisher medals..
November 2026
The West Valley Triathlon takes place in Goodyear, Arizona, on November 14, 2026. This USAT-sanctioned event offers multiple distances for individuals and relay teams. New for 2026, color-coded bibs will guide participants, and all finishers receive..