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Trail Running Calendar near Half Moon Bay 2025-2026

Explore the top trail runs near Half Moon Bay for 2025-2026! We've gathered 81 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
14
Saturday

Marin Ultra Challenge

Trail Run 31 mi 50 mi
Mar
14
Saturday

Zoom San Francisco

5 km 10 km Half Marathon
Mar
21
Saturday

Oakland Marathon

5 km 10 km Half Marathon Marathon
Mar
21
Saturday

Redwood (Spring) Trail Run

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

Western Pacific Marathon

Trail Run 5 km 10 km Half Marathon
Mar
29
Sunday

Golden State 5K

5 km
April 2026
Apr
11
Saturday

Romancing the Island Half Marathon

Trail Run 10 km Half Marathon
Apr
18
Saturday

Horseshoe Lake Trail Run

Trail Run 5 mi 13 mi ... 26 mi 50 km
May 2026
May
3
Sunday

Aztec Run

5 km
May
9
Saturday

Grizzly Peak Trail Run

Trail Run 10 km Half Marathon ... Marathon 50 km
May
10
Sunday

Trailquake

Trail Run 5 km 10 km Half Marathon
May
30
Saturday

Cinderella Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
June 2026
Jun
6
Saturday

Bay Area 100

Trail Run 100 mi
Jun
7
Sunday

Lake Chabot Trail Challenge

Trail Run 5 km Half Marathon
Jun
13
Saturday

SF Half Day

Backyard Ultra 3 hr 6 hr 12 hr
July 2026
Jul
4
Saturday

Alameda Parade R.A.C.E.

5 km
Jul
11
Saturday

Lookin' for a Cure Palo Alto

5 km
August 2026
Aug
2
Sunday

Skyline 50k Endurance Run

Trail Run 50 km
Aug
15
Saturday

Beer City Half Marathon

5 km 10 km Half Marathon
Aug
22
Saturday

We Run Oakland: For Our Children

5 km
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