Arizona
Arizona Triathlon Calendar 2026-2027
Monthly updates for Arizona
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Arizona for 2026-2027! Our updated list features 11 exciting races across the region. Find your next race in Arizona below and join the running community at these great events!
March 2026
Join the Whiptail Duathlon on March 8, 2026 at McKenzie Ranch in Vail, AZ for run and bike courses over technical, rolling singletrack. Multiple distances and relay options welcome racers of all levels, with finishers earning a shirt and medal.
Oro Valley Triathlon and Duathlon Festival in Arizona on March 14, 2026 offers sprint, intermediate and beginner races. Pool swim, traffic controlled bike and flat run. USAT sanctioned, 18 plus.
MomsTRI Women's Sprint Triathlon in Goodyear AZ is an all female sprint with individual, two and three person relays, youth and virtual options. Enjoy swag and finisher jewelry while supporting the New Life Center.
Make waves at Lake Havasu with 2026 Cal Tri on March 15, offering sprint, Olympic and youth multisport and run options for all abilities. Swim, bike and run amid scenic desert views with wetsuits allowed and easy transfers.
Sharpen your swim, bike and run skills at Desert Endurance Tucson Triathlon Camp, March 18 to 22 in Tucson, AZ. Coaches guide sessions and a Mt. Lemmon climb for a fun but challenging week of endurance training and race prep.
Join the Merrill Ranch Triathlon in Florence AZ March 28 for pool swims, scenic two loop bike and run courses and events for adults, youth, aquabike, duathlon and relays. Finishers earn medals, a race hoodie and post race refreshments.
April 2026
Join the multisport Cactus Man at Tempe Arts Park on April 26, 2026. Choose triathlon, duathlon, or aquabike in Sprint or International distances, solo or relay, and enjoy a hoodie, finisher medal and post race refreshments.
August 2026
Join the Anthem Sprint Triathlon in Anthem Arizona on Aug 29, 2026, a reverse sprint with run then bike then swim. Pool finish, kids race, finisher medals and post race refreshments make it a fun community day.
September 2026
Mesa Sprint Triathlon returns September 26, 2026 at Skyline Aquatics Center in Mesa with sprint tri, duathlon and a Kids Splash N Dash, plus a track finish for all racers. Finishers receive custom medals and registrants by September 1 are guaranteed..
October 2026
Join the Castle Creek Triathlon at scenic Lake Pleasant on October 3, 2026 for Olympic and sprint distances plus duathlon, aquabike and kayak SUP options. Chip timing, finisher medals and post race refreshments make it a great day for racers of all l..