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Obstacle Race Calendar near Half Moon Bay 2025-2026

Explore the top obstacle runs near Half Moon Bay for 2025-2026! We've gathered 95 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
14
Saturday

Bay Breeze - San Leandro

Trail Run 5 km 10 km 21 km
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 21 km ... 42 km 50 km
March 2026
Mar
1
Sunday

Zoom Angel Island

Trail Run 5 mi 10 mi 15 mi
Mar
14
Saturday

Marin Ultra Challenge

Trail Run 31 mi 50 mi
Mar
14
Saturday

Zoom San Francisco

5 km 10 km 21 km
Mar
20-22
Fr - Su

Oakland Marathon

5 km 10 km 21 km 42 km
Mar
21
Saturday

Redwood (Spring) Trail Run

Trail Run 5 km 5 mi ... 42 km 50 km
Mar
28
Saturday

Western Pacific Marathon

Trail Run 5 km 10 km 21 km
April 2026
Apr
11
Saturday

Romancing the Island Half Marathon

Trail Run 10 km 21 km
May 2026
May
3
Sunday

Aztec Run

5 km
May
10
Sunday

Trailquake

Trail Run 5 km 10 km 21 km
June 2026
Jun
6
Saturday

Bay Area 100

Trail Run 100 mi
August 2026
Aug
2
Sunday

Skyline 50k Endurance Run

Trail Run
Aug
22
Saturday

We Run Oakland: For Our Children

5 km
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