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Half Marathon Calendar near Clayton 2026-2027

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Explore the top half marathons near Clayton for 2026-2027! We've gathered 42 exciting races in the area. Check out our detailed list below to find your next local race.

January 2027
Jan
1
Fr

Brazen New Year's Day

Trail Run 5 km 10 km 13 mi
Jan
30
Sa

Coyote Hills Run

Trail Run 5 km 10 km Half Marathon
February 2027
Feb
13
Sa

Bay Breeze

5 km 10 km Half Marathon
Feb
20
Sa

Victory

5 km 10 km Half Marathon
Feb
20
Sa

Redtail Ridge

Trail Run 5 km 10 km ... 30 km 50 km
Monthly updates for Clayton

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March 2027
Mar
7
Su

Livermore Valley Half Marathon

5 km 13 mi
Mar
13
Sa

Zoom San Francisco

2 mi 5 km 10 km 13 mi
Mar
19-21
Fr - Su

Oakland Marathon

Race Roster 5 km 10 km Half Marathon Marathon
Oakland Marathon
Mar
20
Sa

Redwood (Spring) Trail Run

Trail Run 5 mi 13 mi ... 26 mi 50 km
Mar
27
Sa

Western Pacific Marathon

Trail Run 5 km 10 km Half Marathon
April 2027
Apr
3
Sa

Diablo Trails Challenge

Trail Run 5 km 10 km Half Marathon 50 km
Apr
17
Sa

Badger Cove Half Marathon

Trail Run 3 mi 6 mi 13 mi
Apr
24
Sa

Lake Chabot Trail Run

Trail Run 2 mi 5 mi ... 26 mi 31 mi
Apr
24
Sa

Mt. Diablo Half Marathon

13 mi
May 2027
May
2
Su

Bay Bridge Half

5 km Half Marathon
May
8
Sa

Grizzly Peak Trail Run

Trail Run 2 mi 10 km ... 26 mi 50 km
May
15
Sa

Wildcat Half Marathon

Trail Run 3 mi 6 mi 13 mi
June 2027
Jun
5
Sa

Cinderella Trail Run

Trail Run 8 km 13 mi ... 26 mi 50 km
Jun
6
Su

Lake Chabot Trail Challenge

Trail Run 5 km Half Marathon
Jun
20
Su

Presidio Half Marathon

5 km 10 km Half Marathon
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