Large field
Sun, Oct 11, 2026 · 8:30 AM · Weott, CA
2026 Humboldt Redwoods Marathon, Half Marathon, 5K
5KHalf MarathonMarathonCertified course · per organizer
- Price
- $64.85-$154.95
- Field size
- 2,205 · based on the organizer's entry cap
Marathons in California
Every upcoming Marathon race we know about in California. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 29+ of 29 races · loading the full list…
Sun, Oct 11, 2026 · 8:00 AM · Susanville, CA
Bizz Johnson
10KHalf MarathonMarathonUltra
- Price
- $91.10-$128.20
- Field size
- 425 · based on the organizer's entry cap
Sat, Oct 31, 2026 · 8:55 AM · San Jose, CA
ZombieRunner Halloween
0.03M2M5K10KHalf MarathonMarathonCertified course · per organizer
- Price
- Free-$85.80
Sun, Nov 1, 2026 · 6:30 AM · Fresno, CA
Two Cities Marathon
5K10KHalf MarathonMarathon
- Price
- $69.15-$163.75
Sat, Nov 7, 2026 · 8:45 AM · Castro Valley, CA
Lake Chabot Trail Run
0.03M2M5K4.8MHalf Marathon30KMarathonUltra
- Price
- Free-$96.40
- Field size
- 591 · basis unavailable
Fri, Dec 11, 2026 · 3:00 AM · Fort Irwin, CA
The Blackhorse Marathon in Honor of MG(R) Sunell
1K5KHalf Marathon18.6MMarathon
- Price
- Free-$38.10
Sat, Jan 9, 2027 · 6:00 AM · Escondido, CA
San Diego 50 & Trail Runs
1M5K5M10MHalf MarathonMarathonUltra
- Price
- $16.90-$165.30
Sun, Jan 17, 2027 · 8:00 AM · Redding, CA
The Redding Marathon Events
5KMarathon
- Price
- $22.20-$160
- Field size
- 260 · based on the organizer's entry cap
Sun, Jan 17, 2027 · 8:45 AM · Woodside, CA
SPASM Crystal Springs Trail Run
5MHalf Marathon22MMarathonUltra
- Price
- Free-$96.40
Sat, Feb 6, 2027 · 8:30 AM · Sausalito, CA
Golden Gate Trail Run
Half MarathonMarathonUltra
- Price
- Free-$96.40
- Field size
- 500 · based on the organizer's entry cap
Sat, Feb 20, 2027 · 8:10 AM · Pacifica, CA
Montara Mountain Trail Run
10KHalf MarathonMarathonUltra
- Price
- Free-$96.40
Sat, Feb 27, 2027 · 11:15 AM · Huntington Beach, CA
SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K
5K10KHalf MarathonMarathon
- Price
- $43.40-$1,041
- Field size
- 832 · based on the organizer's entry cap
Sat, Mar 13, 2027 · 7:00 AM · Avalon, CA
Catalina Island Marathon, 10K, 5K
5K10KMarathon
- Price
- $27.50-$392.45
- Field size
- 1,360 · based on the organizer's entry cap
Sat, Mar 20, 2027 · 8:15 AM · Oakland, CA
Redwood (Spring) Trail Run
0.03M2M5MHalf Marathon18.3MMarathonUltra
- Price
- Free-$96.40
Sat, Apr 3, 2027 · 7:00 AM · Hemet, CA
Bedrock Valley Trail Runs
1M5K10K15KHalf Marathon36KMarathonUltraflat and fast
- Price
- $16.90-$122.90
Sat, Apr 3, 2027 · 6:50 AM · Bakersfield, CA
Bakersfield Marathon
1K6K10KHalf MarathonMarathon
- Price
- $11.60-$128.20
- Field size
- 415 · based on the organizer's entry cap
5K10KHalf MarathonMarathon
- Price
- $54-$133.50
- Field size
- 2,049 · based on the organizer's entry cap
Sat, Apr 17, 2027 · 8:15 AM · Los Gatos, CA
Horseshoe Lake Trail Run
Half MarathonMarathonUltra
- Price
- Free-$96.40
Sat, Apr 17, 2027 · 6:10 AM · Ventura, CA
Mountains 2 Beach Marathon and Half
1K5K10K15KHalf Marathon16.2MMarathon29.3M
- Price
- $28.55-$202.39
- Field size
- 355 · based on the organizer's entry cap
Sat, Apr 24, 2027 · 8:45 AM · Castro Valley, CA
SPASM Lake Chabot Trail Run
Half MarathonMarathonUltra
- Price
- Free-$96.40
Sat, May 1, 2027 · 5:30 PM · Costa Mesa, CA
The Hoag OC Marathon Running Festival
5KHalf MarathonMarathon
- Price
- $50.05-$201.56
10KHalf MarathonMarathonflat and fastCertified course · per organizer
- Price
- $64.85-$107.25
- Field size
- 2,550 · based on the organizer's entry cap
Sat, May 8, 2027 · 8:30 AM · Berkeley, CA
Grizzly Peak Trail Run
10KHalf MarathonMarathonUltra
- Price
- Free-$96.40
Sun, May 23, 2027 · 8:15 AM · Clayton, CA
Diablo Trail Run
2M4M10MHalf MarathonMarathonUltraflat and fast
- Price
- Free-$96.40
Sat, Jun 5, 2027 · 8:15 AM · Oakland, CA
Cinderella Trail Run
Half MarathonMarathonUltra
- Price
- Free-$96.40
Sat, Jul 10, 2027 · 8:15 AM · Santa Cruz, CA
San Lorenzo River Trail Run
0.25M2M10KHalf Marathon30KMarathonUltra
- Price
- Free-$96.40
Sat, Aug 14, 2027 · 8:15 AM · Oakland, CA
Redwood (Summer) Trail Run
2M5MHalf Marathon30KMarathonUltra
- Price
- Free-$96.40
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