Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail RunningUTMB Index Races
Canyons Endurance Runs by UTMB
Auburn, United States
April 23, 2027 to April 24, 2027Date confirmed
161 km100 km50 km25 km
MountainNature & Off-Road+3
USTrail Running · Ultra-Trails · California · 10 Events · 28 Races
Ultra-Trails in California
10 verified events with 28 individual races (3 confirmed dates) in California complete with route maps and elevation profiles.
Events103 confirmed dates
Competitions28Races & courses
Distances10.5 - 162 kmCourse distance range
Max. Elevation Gain+5,550 m D+Course elevation profile
Selected Events
Featured Events & Highlights
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia Commons
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail RunningUTMB Index Races
Western States 100-Miles Endurance Run
Squaw Valley, United States
June 26, 2027 to June 27, 2027Date confirmed
160.93 km
Nature & Off-RoadMountain+3
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail RunningUTMB Index Races
Kodiak Ultra Marathons by UTMB
Big Bear Lake, United States
October 8, 2027 to October 9, 2027Date confirmed
162 km99 km48.4 km19.5 km+1
Nature & Off-RoadForest+4
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail RunningUTMB Index Races
Bishop High Sierra Ultras
Bishop, United States
Date to be announcedDate TBA
100 km80 km53 km32.2 km
MountainNature & Off-Road+1
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail RunningUTMB Index Races
Dick Collins Firetrails
Castro Valley, United States
Date to be announcedDate TBA
100 km80.47 km42 km30 km
Nature & Off-RoadForest+3
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail RunningUTMB Index Races
Lake Sonoma 50 Mile
Healdsburg, United States
Date to be announcedDate TBA
100 km50 km21 km
Lakes & PondsNature & Off-Road+2
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail RunningUTMB Index Races
San Joaquin River Trail 100k Run
Friant, United States
Date to be announcedDate TBA
100 km50 km
Nature & Off-RoadMountain+4
Photo: Larry D. Moore · CC BY 4.0 · Wikimedia CommonsTrail RunningUTMB Index Races
Happy Chinese New Year Run
San Diego, United States
Date to be announcedDate TBA
100.2 km48.3 km
Nature & Off-RoadForest+2
Dates & Schedule
Race Calendar
April 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Apr 23, 2027 - Apr 24, 2027 | Canyons Endurance Runs by UTMB | Auburn, California, US | Trail Running | 161 km100 km50 km25 km |
June 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Jun 26, 2027 - Jun 27, 2027 | Western States 100-Miles Endurance Run | Squaw Valley, California, US | Trail Running | 160.93 km |
October 2027
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Oct 8, 2027 - Oct 9, 2027 | Kodiak Ultra Marathons by UTMB | Big Bear Lake, California, US | Trail Running | 162 km99 km48.4 km19.5 km |
Date to be announced
| Date | Event | Location | Disciplines | Distances |
|---|---|---|---|---|
| Date to be announced | Bishop High Sierra Ultras | Bishop, California, US | Trail Running | 100 km80 km53 km32.2 km |
| Date to be announced | Dick Collins Firetrails | Castro Valley, California, US | Trail Running | 100 km80.47 km42 km30 km |
| Date to be announced | Lake Sonoma 50 Mile | Healdsburg, California, US | Trail Running | 100 km50 km21 km |
| Date to be announced | San Joaquin River Trail 100k Run | Friant, California, US | Trail Running | 100 km50 km |
| Date to be announced | Happy Chinese New Year Run | San Diego, California, US | Trail Running | 100.2 km48.3 km |
| Date to be announced | Quicksilver Endurance Runs | San José, California, US | Trail Running | 100 km50 km |
| Date to be announced | San Diego 100-Mile Endurance Race | Del Mar, California, US | Trail Running | 160.93 km |
Events by Month
Overview & Route Character
Ultra-trails span from 50 km to over 160 km across mountain ranges and natural parks, requiring mandatory gear, night running skills, and self-sufficiency. Off-road running on singletrack, forest paths, and alpine ridges, spanning short discovery trails to high-mountain ultra-trails. In this Ultra-Trails in California directory, RunningCompass curates 10 events comprising 28 individual races, including 3 events with confirmed upcoming dates.
Courses span distances ranging from 10.5 km to 162 km and elevation gains up to +5,550 m. Key host locations include Auburn, Squaw Valley, Big Bear Lake, Bishop. Notable events in this selection include Canyons Endurance Runs by UTMB, Western States 100-Miles Endurance Run, Kodiak Ultra Marathons by UTMB.
Questions & Answers
Frequently asked questions (FAQ)
How many events and races are listed under Ultra-Trails in California?
This overview currently includes 10 verified events featuring 28 individual races. Of these, 3 events have confirmed upcoming dates on the calendar, while 7 events await next edition date confirmation from the organizer.
What race distances and elevation profiles are included in Ultra-Trails in California?
Races in this selection span distances of 10.5 km to 162 km. The most demanding courses reach up to +5,550 m of positive elevation gain. Featured disciplines include Trail Running.
Which host cities and flagship events stand out in Ultra-Trails in California?
Top host locations include Auburn, Squaw Valley, Big Bear Lake, Bishop, Castro Valley. Representative events in the catalog include Canyons Endurance Runs by UTMB, Western States 100-Miles Endurance Run, Kodiak Ultra Marathons by UTMB, Bishop High Sierra Ultras. Ultra-trails span from 50 km to over 160 km across mountain ranges and natural parks, requiring mandatory gear, night running skills, and self-sufficiency.
How can I inspect route maps, elevation charts, and date filters for Ultra-Trails in California?
Every event profile provides an interactive route map, a detailed elevation chart across all 28 races, and a GPX track download. You can also switch directly to the interactive map explorer to filter by date range and distance.