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Triathlon Calendar near Lake Merritt 2025-2026

Explore the top triathlons near Lake Merritt for 2025-2026! We've gathered 126 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
6
Saturday

Midway Shelter Winter Run 10k

5 km 10 km
Dec
6
Saturday

Zombierunner Quarry Lakes

Trail Run 5 km 10 km ... 30 km 42 km
Dec
6
Saturday

Inside Trail - Peacock Gap Trail Run

Trail Run 10 km 13 mi 30 km
Dec
6
Saturday

Reindeer Run/Walk

5 km 10 km
Dec
6
Saturday

Bah Humbug! 5K Run/Walk

5 km
Dec
7
Sunday

Hunter S. Thompson Fear & Loathing

Trail Run 50 km 50 mi
Dec
13
Saturday

Holiday Run and Walk for Health

3 mi
Dec
13
Saturday

Hark the Herald Half Marathon

Trail Run 10 km 21 km
Dec
13
Saturday

Holiday Hustle 10K Walnut Creek

5 km 10 km
Dec
13
Saturday

The Best Races - San Francisco

5 km 10 km 21 km
Dec
20
Saturday

Woodside Ramble

Trail Run 10 km 21 km 35 km 50 km
Dec
27
Saturday

Brazen Almost New Year's Eve

5 km 10 km 21 km
Dec
27
Saturday

Brazen New Year's Eve

Trail Run 5 km 10 km 21 km
Dec
27
Saturday

The Best Races - San Francisco

5 km 10 km 13 mi
January 2026
Jan
1
Thursday

Brazen New Year's Day

Trail Run 5 km 10 km 21 km
Jan
17
Saturday

The Best Races - San Francisco

5 km 10 km 13 mi
Jan
18
Sunday

Crystal Springs (Winter) Trail Run

Trail Run 8 km 21 km ... 42 km 50 km
Jan
24
Saturday

Pacifica Foothills Trail Run

Trail Run 10 km 21 km 30 km
Jan
31
Saturday

Coyote Hills Run

Trail Run 5 km 10 km 21 km
Jan
31
Saturday

Race to the Flagpole

5 km 10 km
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