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Marathon Events in California 2025-2026
The Marathon distance (26.1 miles or 42.2km) is a real feat of mental and physical resilience and requires a serious commitment of training in order to get a bragworthy time. Most first-timers will aim to finish a marathon in under 4 hours, while anything under 3 hours is seen as a very impressive achievement. The wide variety of marathons on offer in California makes certain that completing a marathon will be unforgettable. Many of these events make the most of the stunning scenery that the Golden State has to offer, from its breathtaking coastlines, to its famous National Parks, to its arduous mountains and deserts. These landscapes, although at times challenging, add an extra dimension to the experience. The California International Marathon is known to be a speedy course, as the route is almost entirely downhill, and so it offers a great opportunity to qualify for the Boston Marathon.
19
The Redding Marathon Events
Redding, US
Sun 19th Jan 2025
25
Red Rock Canyon Marathon, 1/2, and 5K
Las Vegas, US
Sat 25th Jan 2025
25
Yuma Territorial Marathon, Half Marathon, 10k and Team Relay
Somerton, US
Sat 25th Jan 2025
23
Ventura Marathon
Ventura, US
Sun 23rd Feb 2025
1
Buzz Marathon #25 and Camp Roberts Expo
San Miguel, US
Sat 1st Mar 2025
8
Labor of Love 5K, 10K, 1/2 Marathon, Marathon, and 50K
Clark County, US
Sat 8th Mar 2025
23
Modesto Marathon
Modesto, US
Sun 23rd Mar 2025
5
Bedrock Valley Trail Runs
Hemet, US
Sat 5th Apr 2025
12
Lake Sonoma
Geyserville, US
Sat 12th Apr 2025
27
2025 Big Sur International Marathon Semper Fi & America's Fund Team
Big Sur, US
Sun 27th Apr 2025
29
KILIMANJARO TRAIL RUN
Corona, US
Fri 29th Aug 2025
13
Running Fence Run - A Celebration of Freedom and Democracy
Cotati, US
Sat 13th Sep 2025
19
CARLSBAD MARATHON, HALF MARATHON & 5K
Carlsbad, US
Sun 19th Jan 2025
31
2025 runDisney Half Marathon
Anaheim, US
Fri 31st Jan 2025
1
Golden Gate Trail Run
Marin County, US
Sat 1st Feb 2025
1
Surf City Marathon & Half Marathon Presented by 361°
Huntington Beach, US
Sat 1st Feb 2025
22
Montara Mountain Trail Run
Pacifica, US
Sat 22nd Feb 2025
1
SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K
Huntington Beach, US
Sat 1st Mar 2025
8
Catalina Island Marathon, 10K, 5K
Avalon, US
Sat 8th Mar 2025
15
2025 UNDERSTAND M1R Health & Oneness Weekend 5k and Los Angeles Marathon @ Dodgers Stadium
Los Angeles, US
Sat 15th Mar 2025
16
I'm Bound for Boston Marathon & Half Marathon - Las Vegas
Las Vegas, US
Sun 16th Mar 2025
22
Redwood (Spring) Trail Run
Oakland, US
Sat 22nd Mar 2025
22
2025 Napa Valley Trail Marathon, Half Marathon & 10K
Calistoga, US
Sat 22nd Mar 2025
23
Oakland Marathon
Oakland, US
Sun 23rd Mar 2025
29
Bakersfield Marathon
Bakersfield, US
Sat 29th Mar 2025
12
Mountains 2 Beach Marathon and Half
Ventura, US
Sat 12th Apr 2025
1.0
12
SPASM Lake Chabot Trail Run
Castro Valley, US
Sat 12th Apr 2025
20
Horseshoe Lake Trail Run
La Honda, US
Sun 20th Apr 2025
3
The Hoag OC Marathon Running Festival
Costa Mesa, US
Sat 3rd May 2025
4
2025 Avenue of the Giants Marathon
Arcata, US
Sun 4th May 2025
10
Extraterrestrial Full Moon
Nevada, US
Sat 10th May 2025
10
Grizzly Peak Trail Run
Berkeley, US
Sat 10th May 2025
11
Liberty Station Half Marathon, Marathon Relay & 5K
San Diego, US
Sun 11th May 2025
1
Cinderella Trail Run
Oakland, US
Sun 1st Jun 2025
21
Ward Mountain Trail Run
Ely, US
Sat 21st Jun 2025
28
Running with the Devil 5K, 10K, 1/2 Marathon, Marathon, and 50K
Clark County, US
Sat 28th Jun 2025
12
San Lorenzo River Trail Run
Santa Cruz, US
Sat 12th Jul 2025
16
Redwood (Summer) Trail Run
Oakland, US
Sat 16th Aug 2025
7
Diablo Trail Run
Clayton, US
Sun 7th Sep 2025
20
Devil After Dark
Clark County, US
Sat 20th Sep 2025
4
Long Beach Marathon & Half Marathon
Long Beach, US
Sat 4th Oct 2025
11
Bizz Johnson
Susanville, US
Sat 11th Oct 2025
12
2025 Humboldt Redwoods Marathon, Half Marathon, 5K
Weott, US
Sun 12th Oct 2025
26
Crown Point Marathon/Half-Marathon, Team Relays, 8K & 5K Runs
San Diego, US
Sun 26th Oct 2025
2
Two Cities Marathon
Fresno, US
Sun 2nd Nov 2025
7
2025 California International Marathon
Sacramento, US
Sun 7th Dec 2025
22
Pre-Registration Bakersfield Marathon 2026
Bakersfield, US
Sun 22nd Mar 2026
