Found 155 races

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OCT
4

Santa Cruz, CA
• 78.1 miles
$50 -$125
Run by the Sea returns to lovely Wilder Ranch State Park on Sunday, October 4th! This unique Half Marathon, 12K run, and 4K run/walk meanders along the gorgeous coastal bluffs of California's...
4K 12K Half Marathon
53
OCT
4

San Francisco, CA
• 68.4 miles
Scenic, challenging loop course. Starts and finishes at the mini-park located at 34th Avenue and Wawona Street. Event details and scheduleRace day registration and check in 8am-8:45am. Race...
4m
2
OCT
10

Lafayette, CA
• 47.4 miles
$30 -$55
  About the Lafayette Res Run for Education The Lafayette Chamber and the City of Lafayette are co-sponsors of the Lafayette Res Run for Education which is traditionally held the third Sunday in...
2m 5K 10K
36
OCT
10

San Francisco, CA
• 64.1 miles
The course is a 4.5 mi loop around Lake Merced.
50K 50m
49
OCT
11

San Francisco, CA
• 37.1 miles
Out and back course along JFK Drive in Golden Gate Park. Unique opportunity to run both west and east sides of the park. Gradual uphill to flat on first half, gradual downhill to flat on second...
10K
12
OCT
17

San Jose, CA
• 14.0 miles
The County of Santa Clara Reentry Resource Center and its partners are hosting a 5K run/walk to raise money to support the immediate needs of justice-involved people (clothing, food, hygiene,...
5K
21
OCT
17

Alameda, CA
• 30.5 miles
$39
  Sign up now for the 4th annual Donut Fun Run on Saturday, October 17, 2026!  Register now for the lowest possible price! $39 adults, $29 for kids under 18, and $29 for seniors. ALL...
85
OCT
18

San Francisco, CA
• 36.0 miles
Challenging course consisting of grass, trails, and bike paths. Ever wonder what running through sand, grass, wood chips, and paved roads would feel like, all while taking in the amazing scenery...
5K
1
OCT
24

Hollister, CA
• 50.9 miles
$30 -$55
Like Running or Walking?  Love Wine?  This race is for you!  Join us on Saturday, October 24, 2026 for an exciting event that features The Eden Rift Vineyards. Due to the popularity of this...
5K
14
OCT
24

San Francisco, CA
• 35.4 miles
Miles for Migraine will host its 17th annual 2-mile Walk, 5K Run and Relax San Francisco Event at the Music Concourse Bandshell at Golden Gate park. This event is a fundraiser for Migraine &...
2m 5K
3
OCT
25

San Francisco, CA
• 35.6 miles
Flat, fast, out and back course along paved Great Highway bike path. Come dressed in your Halloween finest! Also, free 1/2 mile Kids Run for children ages 12 and under immediately following the...
5K
2
OCT
30

Alameda, CA
• 30.1 miles
$45 -$55
Event Details: October 30th.  Friday pre-halloween Evening Run  We have partnered with the USS Hornet to bring back a super fun and unique race experience to Alameda. Our "day of the dead"...
5K
15
OCT
31

San Francisco, CA
• 34.2 miles
$30 -$45
Smooth vibes. Sweet energy. Bold moves. 🥜🍓 PB&J Fuel Run is all about a combo that just works. Mix your pace, spread the fun, and stick with it all the way to the finish. No stress, no...
1m 5K 10K Half Marathon
7
OCT
31

San Jose, CA
• 7.8 miles
$25 -$100
Run in your Halloween costume along the popular Coyote Creek trail and win a prize.  The Half Marathon (CA21023TEB) and Marathon (CA22026TEB) courses are USATF are certified.
5K 10K Half Marathon Marathon
61
NOV
1

Oakland, CA
• 30.1 miles
$30 -$40
Support Oakland Tech Students and ProgramsJoin us for a 5K trail race or 1-mile fun run/walk in beautiful Joaquin Miller Park on November 2, 2025 (end of Daylight savings time.) The course winds...
1m 5K
10
NOV
2

San Francisco, CA
• 36.5 miles
Join us for either a fast, downhill 1 mile race or a scenie 5K loop or both! Check-in for the 1 mile race is at John F. Kennedy Drive & 36th Avenue. Runners will walk/jog uphill to the start of...
1m 5K
NOV
3

Hillsborough, CA
• 22.0 miles
DescriptionInternet Registration has not begun yet. Check Registration Dates in details.In this Extended Cross Country Class we will improve our fitness and endurance by running 3-4 miles each...
NOV
7

San Jose, CA
• 15.6 miles
$10 -$35
Event Info/Información del Evento In-Person Registration / Registro en Persona: 8:00 AM5K Race Start / Comienzo de la Carrera 5K: 9:00 AMKids Run (400 meters) / Carrera de Niños (400...
5K
20
NOV
7

Campbell, CA
• 8.9 miles
$50
Helping Education Reach Opportunities: Be a HERO and take your place as a force for empathy and inspiration! Registration is $50 (+ fees) Ages 5-18 is $35 (+ fees)Ages under 5 are $10 (+ fees) to...
5K
14
NOV
7

Castro Valley, CA
• 20.8 miles
$25 -$110
The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners! (Distances are accurately measured using a...
5K 8K Half Marathon 30K Marathon 50K
36