Running races in or near Fairfax, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Fairfax, CA area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.
Running-8K - Individual
Organization: DSE Runners
Date of Race: 11-08-2026
Description: Out and back course with start/finish near the Polo Fields in ...
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Running-5K - Individual
Organization: DSE Runners
Date of Race: 12-20-2026
Description: Mostly flat, loop course in Golden Gate Park, with start/finish at ...
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Running-5K - Individual
Organization: DSE Runners
Date of Race: 11-01-2026
Description: Join us for either a fast, downhill 1 mile race or ...
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Running-5K - Individual
Organization: DSE Runners
Date of Race: 10-25-2026
Description: Flat, fast, out and back course along paved Great Highway bike ...
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Running-10K - Individual
Organization: DSE Runners
Date of Race: 10-11-2026
Description: Out and back course along JFK Drive in Golden Gate Park. ...
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Running-5K - Individual
Organization: DSE Runners
Date of Race: 10-18-2026
Description: Challenging course consisting of grass, trails, and bike paths. Ever wonder ...
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Running-5K - Individual
Organization: DSE Runners
Date of Race: 12-06-2026
Description: Starts and finishes at the lower parking lot of Baker Beach. ...
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Running-4 Miles - Individual
Organization: DSE Runners
Date of Race: 12-27-2026
Description: Scenic, challenging loop course. Actually 2 loops, one around and one ...
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Running-4 Miles - Individual
Organization: DSE Runners
Date of Race: 11-29-2026
Description: Challenging loop course around Twin Peaks. Start/finish near the reservoir at ...
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Running-1 Mile - Individual
Organization: DSE Runners
Date of Race: 11-01-2026
Description: Join us for either a fast, downhill 1 mile race or ...
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Running-Half marathon - Half Maraton
Organization: DSE Runners
Date of Race: 09-27-2026
Description: Join us for the best bargain half marathon in the Bay ...
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Running-10K - Individual Ages 18 & Over
Organization: DSE Runners
Date of Race: 09-13-2026
Description: Flat, fast, out and back course along paved bike path. Runs ...
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Running-5K - Individual Age group/open
Organization: DSE Runners
Date of Race: 10-04-2026
Description: Scenic 5K trail run at San Bruno Mountain State Park, a ...
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Running-4.5 Miles - 4.5 Mile Run
Organization: DSE Runners
Date of Race: 09-27-2026
Description: Join us for the best bargain half marathon in the Bay ...
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Running-10K - Individual Ages 13-17
Organization: DSE Runners
Date of Race: 09-13-2026
Description: Flat, fast, out and back course along paved bike path. Runs ...
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Rainbow Falls 5K
Organization: DSE Runners
Date of Race: 12-20-2026
Description: Mostly flat, loop course in Golden Gate Park, with start/finish at ...
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Lake Merced ½ Marathon and 4.5 Mile Run
Organization: DSE Runners
Date of Race: 09-27-2026
Description: Join us for the best bargain half marathon in the Bay ...
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Stern Grove 4 mile
Organization: DSE Runners
Date of Race: 12-27-2026
Description: Scenic, challenging loop course. Actually 2 loops, one around and one ...
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Kennedy Drive 8K
Organization: DSE Runners
Date of Race: 11-08-2026
Description: Out and back course with start/finish near the Polo Fields in ...
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Sierra Point 10K
Organization: DSE Runners
Date of Race: 09-13-2026
Description: Flat, fast, out and back course along paved bike path. Runs ...
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Windmill 10k
Organization: DSE Runners
Date of Race: 10-11-2026
Description: Out and back course along JFK Drive in Golden Gate Park. ...
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Baker Beach 5K
Organization: DSE Runners
Date of Race: 12-06-2026
Description: Starts and finishes at the lower parking lot of Baker Beach. ...
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Spreckels Lake 5K/SF Lightning Mile
Organization: DSE Runners
Date of Race: 11-01-2026
Description: Join us for either a fast, downhill 1 mile race or ...
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Presidio Wall 5K
Organization: DSE Runners
Date of Race: 10-18-2026
Description: Challenging course consisting of grass, trails, and bike paths. Ever wonder ...
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San Bruno Mountain Saddle Trail 5K (off-road)
Organization: DSE Runners
Date of Race: 10-04-2026
Description: Scenic 5K trail run at San Bruno Mountain State Park, a ...
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Complete list of running events in and near Fairfax, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Fairfax
About Fairfax
Fairfax (CA) is a town in Marin County with an estimated population of 7,441.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
