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Triathlon Calendar near San Dimas 2025-2026

Explore the top triathlons near San Dimas for 2025-2026! We've gathered 27 exciting races in the area. Check out our detailed list below to find your next local race.

April 2025
Apr
26
Saturday

Dream Run

3 km 5 km
Apr
26
Saturday

LASD Suicide Awareness and Prevention 5K Run & Walk

5 km
Apr
26
Saturday

Orange County Superhero 5K

5 km
Apr
27
Sunday

Rose Bowl Half Marathon

5 km 13 mi
May 2025
May
2-3
Fr - Sa

Run4Kids Ultra Running Party

Backyard Ultra 26 mi 6 hr ... 100 mi 24 hr
May
3
Saturday

Nurses Rock

5 km 10 km
May
3
Saturday

Santa Fe Springs 5K Fun Run/Walk

5 km
May
10
Saturday

The Lynwood 10K Run

5 km 10 km
May
17
Saturday

KID-FIT Family Fun Run 5K

5 km
May
18
Sunday

Venice Beach Half Marathon

5 km 13 mi
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

Foster the Future Run

5 km 10 km
May
24
Saturday

Mt. Wilson Trail Race

Trail Run 8 mi
May
25
Sunday

Brentwood Run

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

Finish The Run Griffith Park

5 km 10 km ... 50 mi 62 mi
June 2025
Jun
7
Saturday

Fontana Days Run

5 km 13 mi
Jun
8
Sunday

Griffith Park Trail Marathon Relay & 8K

Trail Run 8 km 26 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
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