Race Collection
Half Marathons in California
There are 14 upcoming half marathons in California on the 42Cal calendar, from July 2026 through June 2027. Course elevation gain starts as low as 75 ft, with a median of 332 ft across the field.
14
Upcoming races
July 2026 – June 2027
Date range
1
Countries
332 ft
Median elevation
Race data last updated .
The Races
14 races
Jul 26, 2026
Registration Open
Napa to Sonoma Wine Country Half Marathon
Napa, CA, United States
Half Marathon
Also: 5K
See full guide
Jul 26, 2026
Registration Open
San Francisco Marathon
San Francisco, CA, United States
Marathon
Also: Half Marathon, Half Marathon, Marathon, 10K, 5K
See full guide
Aug 23, 2026
Sold Out
Santa Rosa Marathon
Santa Rosa, CA, United States
Marathon
Also: Half Marathon, 10K, 5K
See full guide
Oct 11, 2026
Sold Out
Long Beach Marathon
Long Beach, CA, United States
Marathon
Also: Half Marathon, 5K
See full guide
Nov 1, 2026
Registration Open
Two Cities Marathon
Fresno, CA, United States
Marathon
Also: 5K, 10K, Half Marathon
See full guide
Nov 7, 2026
Registration Open
REVEL Big Bear Marathon
CODES School, Big Bear to Redlands Sports Park, Redlands, CA
Marathon
Also: Half Marathon
See full guide
Nov 8, 2026
Registration Closed
Monterey Bay Half Marathon
Monterey, CA, United States
Half Marathon
Also: 5K
See full guide
Jan 17, 2027
Registration Open
Carlsbad Marathon, Half Marathon & 5K
Carlsbad, CA, United States
Marathon
Also: 5K, Half Marathon
See full guide
Feb 21, 2027
Registration Open
Ventura Marathon
Ventura, CA, United States
Marathon
Also: Half Marathon
See full guide
Mar 7, 2027
Registration Open
ASICS Los Angeles Marathon
Los Angeles, CA, United States
Marathon
Also: Half Marathon, 5K
See full guide
Mar 7, 2027
Opening Soon
Napa Valley Marathon and Half Marathon
Napa, CA, United States
Marathon
Also: Half Marathon, 5K
See full guide
Apr 4, 2027
Registration Open
Modesto Marathon
Modesto, CA, United States
Marathon
Also: Half Marathon, 10K, 5K
See full guide
Apr 18, 2027
Registration Open
Mountains 2 Beach Marathon
Ojai to Ventura, California
Marathon
Also: Half Marathon, 10K, 5K
See full guide
Jun 6, 2027
Opening Soon
Rock 'n' Roll San Diego
San Diego, CA, United States
Marathon
Also: Half Marathon, 5K
See full guide
Compare These Races
| Race | Date | Location | Distance | Elevation | Status |
|---|---|---|---|---|---|
| Napa to Sonoma Wine Country Half Marathon | July 2026 | Napa, United States | Half Marathon | 485 ft | Registration Open |
| San Francisco Marathon | July 2026 | San Francisco, United States | Marathon | 350 m | Registration Open |
| Santa Rosa Marathon | August 2026 | Santa Rosa, United States | Marathon | 416 ft | Sold Out |
| Long Beach Marathon | October 2026 | Long Beach, United States | Marathon | 40 m | Sold Out |
| Two Cities Marathon | November 2026 | Fresno, United States | Marathon | 317 ft | Registration Open |
| REVEL Big Bear Marathon | November 2026 | CODES School, United States | Marathon | 150 ft | Registration Open |
| Monterey Bay Half Marathon | November 2026 | Monterey, United States | Half Marathon | 106 ft | Registration Closed |
| Carlsbad Marathon, Half Marathon & 5K | January 2027 | Carlsbad, United States | Marathon | 240 m | Registration Open |
| Ventura Marathon | February 2027 | Ventura, United States | Marathon | 332 ft | Registration Open |
| ASICS Los Angeles Marathon | March 2027 | Los Angeles, United States | Marathon | 280 m | Registration Open |
| Napa Valley Marathon and Half Marathon | March 2027 | Napa, United States | Marathon | 104 m | Opening Soon |
| Modesto Marathon | April 2027 | Modesto, United States | Marathon | 75 ft | Registration Open |
| Mountains 2 Beach Marathon | April 2027 | Ojai to Ventura, United States | Marathon | 90 m | Registration Open |
| Rock 'n' Roll San Diego | June 2027 | San Diego, United States | Marathon | 250 m | Opening Soon |
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