Photo: NPS · Public Domain · Wikimedia CommonsRoad RunningWorld Marathon Majors Qualifier
California International Marathon
Sacramento, United States
December 6, 2026Date confirmed
42.2 km
City RunCulture & History
USRoad Running · Half Marathons (21.1 km) · California · 36 Events · 135 Races
Half Marathons (21.1 km) in California
36 verified events with 135 individual races (24 confirmed dates) in California complete with route maps and elevation profiles.
Events3624 confirmed dates
Competitions135Races & courses
Distances1 - 84.3 kmCourse distance range
Max. Elevation Gain+400 m D+Course elevation profile
Selected Events
Featured Events & Highlights
Photo: NPS · Public Domain · Wikimedia Commons
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsRoad RunningWorld Marathon Majors Qualifier
Carlsbad Marathon
Carlsbad, United States
January 17, 2027Date confirmed
42.2 km21.1 km5 km
Seaside & CoastCity Run
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsRoad RunningWorld Marathon Majors Qualifier
Surf City Marathon
Huntington Beach, United States
February 7, 2027Date confirmed
42.2 km21.1 km5 km1.61 km
Seaside & CoastCity Run
Photo: Cjp24 · CC BY-SA 3.0 · Wikimedia CommonsRoad RunningWorld Marathon Majors Qualifier
Napa Valley Marathon
Calistoga, United States
March 7, 2027Date confirmed
42.2 km21.1 km5 km
Nature & Off-RoadVineyards
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsRoad Running
Sugar Daddy Race-Santa Clarita
Santa Clarita, United States
June 19, 2027Date confirmed
21.1 km10 km5 km
City RunFestive
Photo: Jonathan Beech · CC BY-SA 4.0 · Wikimedia CommonsRoad RunningWorld Marathon Majors Qualifier
San Francisco Marathon
San Francisco, United States
July 24, 2027 to July 25, 2027Date confirmed
84.3 km42.2 km21.1 km10 km+1
City RunSeaside & Coast+4
Photo: NPS · Public Domain · Wikimedia CommonsRoad Running
Golden Gate Half Marathon
San Francisco, United States
November 7, 2027Date confirmed
21.1 km5 km
Seaside & CoastPublic Park+5
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsRoad Running
Monterey Bay Half
Santa Cruz, United States
November 13, 2027 to November 14, 2027Date confirmed
26.1 km21.1 km5 km3 km
Seaside & CoastNature & Off-Road+2
Dates & Schedule
Race Calendar
December 2026
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Dec 6, 2026 | California International Marathon | Sacramento, California, US | Road Running | 42.2 km |
January 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Jan 17, 2027 | Carlsbad Marathon | Carlsbad, California, US | Road Running | 42.2 km21.1 km5 km |
February 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Feb 7, 2027 | Surf City Marathon | Huntington Beach, California, US | Road Running | 42.2 km21.1 km5 km1.61 km |
March 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Mar 7, 2027 | Napa Valley Marathon | Calistoga, California, US | Road Running | 42.2 km21.1 km5 km |
June 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Jun 19, 2027 | Sugar Daddy Race-Santa Clarita | Santa Clarita, California, US | Road Running | 21.1 km10 km5 km |
July 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Jul 24, 2027 - Jul 25, 2027 | San Francisco Marathon | San Francisco, California, US | Road Running | 84.3 km42.2 km21.1 km10 km |
November 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Nov 7, 2027 | Golden Gate Half Marathon | San Francisco, California, US | Road Running | 21.1 km5 km |
| Nov 13, 2027 - Nov 14, 2027 | Monterey Bay Half | Santa Cruz, California, US | Road Running | 26.1 km21.1 km5 km3 km |
Date to be announced
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Date to be announced | Oakland Marathon | Oakland, California, US | Road RunningObstacle Course Racing | 42.2 km21.1 km10 km5 km |
| Date to be announced | Marathon Mountains 2 Beach | Ventura, California, US | Road Running | 42.2 km21.1 km10 km5 km |
| Date to be announced | Santa Rosa Marathon | Santa Rosa, California, US | Road Running | 42.2 km21.1 km10 km5 km |
| Date to be announced | IPA10K Brewfest & Beer Mile | Sebastopol, California, US | Road Running | 21.1 km10 km3 km |
Events by Month
Overview & Route Character
Covering 21.0975 kilometers, the half marathon blends endurance and speed across fast city boulevards and scenic road courses. Measured asphalt and city courses ranging from fast 5K and 10K races to international half marathons, marathons, and 100K road ultras. In this Half Marathons (21.1 km) in California directory, RunningCompass curates 36 events comprising 135 individual races, including 24 events with confirmed upcoming dates.
Courses span distances ranging from 1 km to 84.3 km and elevation gains up to +400 m. Key host locations include Sacramento, Carlsbad, Huntington Beach, Calistoga. Notable events in this selection include California International Marathon, Carlsbad Marathon, Surf City Marathon.
Questions & Answers
Frequently asked questions (FAQ)
How many events and races are listed under Half Marathons (21.1 km) in California?
This overview currently includes 36 verified events featuring 135 individual races. Of these, 24 events have confirmed upcoming dates on the calendar, while 12 events await next edition date confirmation from the organizer.
What race distances and elevation profiles are included in Half Marathons (21.1 km) in California?
Races in this selection span distances of 1 km to 84.3 km. The most demanding courses reach up to +400 m of positive elevation gain. Featured disciplines include Road Running, Obstacle Course Racing.
Which host cities and flagship events stand out in Half Marathons (21.1 km) in California?
Top host locations include Sacramento, Carlsbad, Huntington Beach, Calistoga, Santa Clarita. Representative events in the catalog include California International Marathon, Carlsbad Marathon, Surf City Marathon, Napa Valley Marathon. Covering 21.0975 kilometers, the half marathon blends endurance and speed across fast city boulevards and scenic road courses.
How can I inspect route maps, elevation charts, and date filters for Half Marathons (21.1 km) in California?
Every event profile provides an interactive route map, a detailed elevation chart across all 135 races, and a GPX track download. You can also switch directly to the interactive map explorer to filter by date range and distance.