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Triathlon Calendar near San Dimas 2025-2026

Explore the top triathlons near San Dimas for 2025-2026! We've gathered 90 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
25
Saturday

Covina Fun Run

5 km
May 2026
May
2
Saturday

Nurses Rock

5 km 10 km
May
23-24
Sa - Su

Nanny Goat

Trail Run 6 hr 12 hr 100 mi 24 hr
June 2026
Jun
13
Saturday

Phoenix Rising Half Marathon - Los Angeles

Trail Run 5 km 10 km 15 km 21 km
Jun
20
Saturday

Jade's Furry Friends 5K

5 km
July 2026
Jul
4
Saturday

IRVINE 4th of July-Red, White, & Blue 5k

5 km 6 mi
Jul
18
Saturday

Hot to Trot Half Marathon - Los Angeles

Trail Run 5 km 10 km 15 km 21 km
October 2026
Oct
3
Saturday

Angeles Crest 100 Mile Endurance Run

Trail Run 100 mi
November 2026
Nov
7
Saturday

Saddleback Marathon

Trail Run 10 km 21 km 42 km
Nov
26
Thursday

Plymouth Rock n Run

5 km 10 km
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