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Marathon Calendar near East San Mateo 2025-2026

Monthly updates for East San Mateo

Get new running races (and updates) in your inbox every month.

Explore the top marathons near East San Mateo for 2025-2026! We've gathered 18 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
3
Sa

Hacienda Hills Trail Run - Winter

Trail Run 5 km 10 km ... Marathon 50 km
Jan
18
Su

Crystal Springs (Winter) Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
Jan
18
Su

Crystal Springs Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
February 2026
Feb
7
Sa

Mt. Umunhum Trail Conquest - Winter

Trail Run 5 km 7 mi ... Marathon 50 km
Feb
7
Sa

Golden Gate Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
Feb
21
Sa

Montara Mountain Trail Run

Trail Run 10 km Half Marathon ... Marathon 50 km
March 2026
Mar
21
Sa

Oakland Marathon

5 km 10 km Half Marathon Marathon
Mar
21
Sa

Redwood (Spring) Trail Run

Trail Run 5 km 5 mi ... Marathon 50 km
April 2026
Apr
4
Sa

Golden Gate Headlands Marathon

Trail Run 10 km Half Marathon Marathon
Apr
11
Sa

Lake Chabot Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
Apr
18
Sa

Horseshoe Lake Trail Run

Trail Run 5 mi Half Marathon ... Marathon 50 km
May 2026
May
9
Sa

Muir Woods Marathon

Trail Run 7 mi Half Marathon Marathon
May
9
Sa

Grizzly Peak Trail Run

Trail Run 10 km Half Marathon ... Marathon 50 km
May
30
Sa

Cinderella Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
July 2026
Jul
25-26
Sa - Su

The San Francisco Marathon

5 km 10 km Half Marathon Marathon
August 2026
Aug
15
Sa

Redwood (Summer) Trail Run

Trail Run 5 mi Half Marathon ... Marathon 50 km
Aug
30
Su

Crystal Springs Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
September 2026
Sep
26
Sa

Dick Collins Firetrails

Trail Run Marathon 50 mi 100 km