Oklahoma Triathlon Calendar 2025-2026

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Explore the best triathlons in Oklahoma for 2025-2026! Our updated list features 90 exciting races across the region. Find your next race in Oklahoma below and join the running community at these great events!

April 2025
Apr
12
Saturday

Andy Payne Route 66 Race

5 km
Apr
13
Sunday

OU Food Pantry

5 km
Apr
19
Saturday

Golden Driller Marathon

5 km 10 km 13 mi 26 mi
Apr
19
Saturday

10k at Owasso Sports Park South

5 km 10 km
Apr
25-27
Fr - Su

Oklahoma City Memorial Marathon

5 km 6 mi 13 mi 26 mi
Apr
25
Friday

Tishomingo Firefly 5K

5 km
May 2025
May
2
Friday

Cinco de Mayo Run - Tulsa

5 km
May
3
Saturday

Half Marathon Boomer Lake Park

5 km 10 km 15 km 13 mi
May
3
Saturday

Golden Eagle 5k

5 km
May
3
Saturday

MMIP Awareness 5k

5 km
May
3
Saturday

Chickasha Rotary Run

5 km
May
4
Sunday

Tulsa Area Triathletes Spring Fever Triathlon

Triathlon
May
10
Saturday

Flower Moon

Trail Run 4 mi 13 mi 26 mi 50 mi
May
10
Saturday

RT 66 Revival Run

5 km
May
17
Saturday

DoNot Stop Half Marathon - Oklahoma City

5 km 10 km 13 mi
May
17
Saturday

10k at Owasso Sports Park South

5 km 10 km
May
17
Saturday

Rooster Days Run

5 km
May
17
Saturday

Lion Heart Half Marathon

5 km 10 km 13 mi
May
18
Sunday

DoNot Stop Half Marathon - Tulsa

5 km 10 km 13 mi
May
24
Saturday

Trail of Honor Memorial Run

Trail Run 5 km
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