Arizona Triathlon Calendar 2025-2026

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Explore the best triathlons in Arizona for 2025-2026! Our updated list features 153 exciting races across the region. Find your next race in Arizona below and join the running community at these great events!

May 2025
May
3
Saturday

Beer, Tacos, and Miles

3 mi 5 mi 12 mi
May
3
Saturday

Super Mom Half Marathon - Phoenix

5 km 10 km 13 mi
May
3
Saturday

Family Remembrance Run 5km

5 km
May
3
Saturday

The Best Races - Phoenix

5 km 10 km 13 mi
May
4
Sunday

May the Fourth Be With You 5K

5 km
May
4
Sunday

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

5 km 10 km
May
5-10
Mo - Sa

Cocodona 250

Trail Run 39 mi 79 mi 126 mi 256 mi
May
10
Saturday

Peace of Mind Run

5 km
May
10
Saturday

Pine Trail Run

Trail Run 5 km 10 mi 50 km
May
10
Saturday

Operation Thrive

5 km
May
10
Saturday

#RUNMARANA Mother's Day 5k

5 km
May
16
Friday

Springboard 5K Fun Run

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
17
Saturday

MomsTRI Women's Triathlon

Triathlon
May
17
Saturday

AZ Sunrise Series - Kiwanis Park

5 km
May
18
Sunday

Justice Journey

5 km
May
18
Sunday

Tucson 5000

5 km
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