Arizona Triathlon Calendar 2025-2026

Header image

Explore the best triathlons in Arizona for 2025-2026! Our updated list features 156 exciting races across the region. Find your next race in Arizona below and join the running community at these great events!

March 2026
Mar
28
Saturday

Crown King Scramble

Trail Run 50 km
Mar
28
Saturday

Merrill Ranch Triathlon

Triathlon
Mar
28
Saturday

Mountaineer 5K

5 km
April 2026
Apr
4
Saturday

Everyone Runs Catalina State Park Half Marathon

Trail Run 5 mi 13 mi
Apr
11
Saturday

Mountain Sheep Canyon Run

Trail Run 5 km 10 mi
Apr
11
Saturday

Sabino Canyon Sunset Run

Trail Run 2 mi 7 mi
Apr
12
Sunday

Dam Good Run

Trail Run 2 mi 4 mi ... 26 km 40 km
Apr
12
Sunday

Antelope Canyon Half Marathon

Trail Run 8 mi 13 mi
Apr
18
Saturday

Whiskey Basin Trail Run

Trail Run 10 km 13 mi ... 60 km 91 km
Apr
18
Saturday

The VUE

Trail Run 4 mi 12 mi ... 34 mi 50 mi
Apr
18
Saturday

TMC Earth Day 5K

5 km
Apr
25
Saturday

Sinister Night Runs

Trail Run 6 km 9 km ... 27 km 54 km
May 2026
May
2
Saturday

Dr. Gann’s Diet of Hope Cinco de Mayo 10K

5 km 10 km
May
4-9
Mo - Sa

Cocodona 250

Trail Run 39 mi 79 mi ... 126 mi 256 mi
May
16
Saturday

Taco 'Bout Fun Run

Trail Run 5 km 10 km
May
23
Saturday

Memorial Day Flag Run

Trail Run 5 km 10 km
May
30
Saturday

Hotfoot Hamster

Backyard Ultra 6 hr 12 hr 24 hr
Articles
Top 10 Marathons in the Netherlands — The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series