Arizona Triathlon Calendar 2025-2026

Header image

Explore the best triathlons in Arizona for 2025-2026! Our updated list features 145 exciting races across the region. Find your next race in Arizona below and join the running community at these great events!

May 2025
May
10
Saturday

#RUNMARANA Mother's Day 5k

5 km
May
17
Saturday

Bradshaw Beatdown 50K

Trail Run 50 km
May
17
Saturday

Taco 'Bout Fun Run

Trail Run 5 km 10 km
May
17
Saturday

Adrenaline Night Runs

Trail Run 6 km 10 km ... 25 km 50 km
May
17
Saturday

Ft Huachuca Combat Medic Run

5 km 10 km
May
18
Sunday

Justice Journey

5 km
May
24
Saturday

Maricopa Memorial Day 5K

5 km
May
24
Saturday

Red Rock Rumble - Sedona, AZ

Trail Run 5 mi
May
24
Saturday

Memorial Day Flag Run

Trail Run 5 km 10 km
May
25
Sunday

Flagstaff Doggie Dash & Buffaloops Ultra

Trail Run 5 km 3 hr 6 hr 12 hr
May
31
Saturday

Hotfoot Hamster

Backyard Ultra 6 hr 12 hr 24 hr
May
31
Saturday

TMC Meet Me Downtown 5k Night Run

5 km
May
31
Saturday

Deuces Wild Endurance Festival

Trail Run
June 2025
Jun
7
Saturday

Pi in the Sky

Trail Run 8 mi
Jun
7
Saturday

PTSD Awareness 5K Run/Walk

5 km
Jun
14
Saturday

Hypnosis Night Runs

Trail Run 6 km 15 km ... 36 km 52 km
Jun
14
Saturday

Run with the Roosters 4-Miler

4 mi
Jun
20
Friday

Aravaipa Running - Blackout Night Runs

Trail Run 6 km 13 km 27 km
Jun
21
Saturday

Aravaipa Running - Flagstaff Extreme Big Pine

Trail Run 6 km 13 km 27 km 53 km
July 2025
Jul
12
Saturday

Stunner Night Runs

Trail Run 6 km 12 km 25 km 50 km
Articles
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series
Stride with Confidence: A Comprehensive Guide to Saucony Running Shoes
Essential Running Form Techniques for Enhanced Performance and Injury Prevention