Arizona
Arizona Triathlon Calendar 2025-2026
Explore the best triathlons in Arizona for 2025-2026! Our updated list features 12 exciting races across the region. Find your next race in Arizona below and join the running community at these great events!
December 2025
Join the Holiday Classic in Anthem AZ on December 13 for a USA Triathlon sanctioned event with triathlon, duathlon, aquabike and youth races. Heated pool swim, looped bike with protected lanes, plus a finisher hoodie and medal.
March 2026
Join the Oro Valley Triathlon and Duathlon Festival in Arizona on March 14, 2026 with pool swims, a fast bike loop and flat run plus sprint, intermediate, aquabike and relay options. USAT sanctioned and welcoming to all levels.
Challenge yourself at TRI 4 THE CURE AZ in Anthem with Sprint and Super Sprint triathlon, aquabike, duathlon, relays and a 5 km run. Enjoy chip timing, a race hoodie, post race refreshments and a finisher medal.
Race the MomsTRI Women's Sprint Tri in Goodyear, Arizona on March 14, 2026 with in person and virtual options. Solo, relay and youth divisions welcome and a portion of proceeds supports the New Life Center.
March 15 at Lake Havasu State Park near the iconic London Bridge, join a vibrant triathlon weekend on the Colorado River. With Sprint, Olympic and youth formats and wetsuit legal water, there is a race for every level.
Join Desert Endurance Tucson Triathlon Camp March 18 to 22, 2026 to sharpen swim, bike, and run through focused coaching in sunny Tucson. Four coaches offer personalized technique, fueling, and mental prep plus a Mt Lemmon climb.
Take on the Merrill Ranch Triathlon on March 28, 2026 in Florence AZ with pool swims, scenic bike loops and community run courses. Adult, youth and relay categories plus finisher medals and post race refreshments make for a fun, family friendly race..
April 2026
Take on Cactus Man at Tempe Arts Park with sprint and international triathlon, duathlon and aquabike distances plus relays. Chip timing, a finisher hoodie and medal, post race refreshments and lakefront scenery make this a must do.
August 2026
Join the Anthem Sprint Triathlon in Anthem, AZ. This reverse order sprint features a pool swim, bike loops and a 5K run and welcomes adults, kids and relay teams. Finishers get hoodies, medals and post race refreshments.
September 2026
Join the Mesa Sprint Triathlon at Skyline Aquatics Center in Mesa on Sept 26, 2026 and tackle a fast swim bike run course, or opt for the duathlon, relay or kids splash and dash. Finishers get a custom medal and early registrants secure shirts.
October 2026
Challenge yourself at the Castle Creek Triathlon at scenic Lake Pleasant on October 3, 2026, offering Olympic and sprint triathlon plus duathlon, aquabike and kayak SUP categories. Enjoy chip timing, a finisher hoodie and post race refreshments.
Trick or Tri at Merrill Ranch on October 31, 2026 blends Halloween fun with fast multisport racing. Swim, bike and run options for adults, youth and relays, with chip timing, finisher medals and a race hoodie for participants.