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Triathlon Calendar near Orange 2025-2026

Explore the top triathlons near Orange for 2025-2026! We've gathered 107 exciting races in the area. Check out our detailed list below to find your next local race.

May 2025
May
18
Sunday

Great Donut Run 5k

5 km
May
24-25
Sa - Su

Nanny Goat

Trail Run 6 hr 12 hr 100 mi 24 hr
May
24
Saturday

Run to Remember Half Marathon - Long Beach

5 km 10 km 15 km 13 mi
May
24
Saturday

Mt. Wilson Trail Race

Trail Run 8 mi
May
25
Sunday

Brentwood Run

5 km 10 km
May
26
Monday

Laguna Hills Memorial Day Half Marathon

5 km 10 km 13 mi
May
26
Monday

Memorial Day Half Marathon - Long Beach

May
31
Saturday

Wrigley River Run

5 km 10 km 10 mi
May - Jun
31-1
Sa - Su

Finish The Run Griffith Park

5 km 10 km ... 50 mi 62 mi
June 2025
Jun
8
Sunday

Griffith Park Trail Marathon Relay & 8K

Trail Run 8 km 26 mi
Jun
8
Sunday

Fun in the Sun Half Marathon - Long Beach

Jun
14
Saturday

Long Beach Classic Half

5 km 13 mi
Jun
15
Sunday

Happy Father's Day Half Marathon - Long Beach

5 km 10 km 15 km 13 mi
Jun
20-21
Fr - Sa

Orange Curtain

Trail Run 10 km 30 km 50 km 100 km
Jun
21
Saturday

Mission Possible Run

5 km 10 km
Jun
21
Saturday

LA Parks Run Series

5 km 13 mi
Jun
21
Saturday

Run for 9-1-1 - Long Beach

5 km
Jun
21
Saturday

KPOC Thrive Festival 5K

5 km
Jun
22
Sunday

Good Vibes Run Half Marathon

5 km 10 km 10 mi 13 mi
Jun
28
Saturday

Whiting Ranch Trail Races

Trail Run 6 km 10 km 13 mi 30 km
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