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Triathlon Calendar near West Menlo Park 2025-2026

Explore the top triathlons near West Menlo Park for 2025-2026! We've gathered 114 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
27
Saturday

Brazen Almost New Year's Eve

5 km 10 km Half Marathon
Dec
27
Saturday

Brazen New Year's Eve

Trail Run 5 km 10 km Half Marathon
Dec
27
Saturday

The Best Races - San Francisco

5 km 10 km 13 mi
Dec - Jan
31-1
We - Th

New Year's One Day

6 hr 12 hr 100 mi 24 hr
January 2026
Jan
1
Thursday

Brazen New Year's Day

Trail Run 5 km 10 km Half Marathon
Jan
3
Saturday

Hacienda Hills Trail Run - Winter

Trail Run 5 km 10 km ... Marathon 50 km
Jan
3
Saturday

Kiwanis Resolution 10K Run/Walk

5 km 10 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 Half Marathon ... Marathon 50 km
Jan
18
Sunday

Crystal Springs Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
Jan
24
Saturday

Pacifica Foothills Trail Run

Trail Run 10 km Half Marathon 30 km
Jan
31
Saturday

Coyote Hills Run

Trail Run 5 km 10 km Half Marathon
Jan
31
Saturday

Race to the Flagpole

5 km 10 km
February 2026
Feb
7
Saturday

Mt. Umunhum Trail Conquest - Winter

Trail Run 5 km 7 mi ... Marathon 50 km
Feb
14
Saturday

Bay Breeze - San Leandro

Trail Run 5 km 10 km Half Marathon
Feb
21
Saturday

Redtail Ridge

Trail Run 5 km 10 km ... 30 km 50 km
Feb
21
Saturday

Montara Mountain Trail Run

Trail Run 10 km Half Marathon ... Marathon 50 km
March 2026
Mar
1
Sunday

Livermore Valley Half Marathon

5 km Half Marathon
Mar
14
Saturday

Zoom San Francisco

5 km 10 km Half Marathon
Mar
21
Saturday

Oakland Marathon

5 km 10 km Half Marathon Marathon
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