Ultras in California
Every upcoming Ultra race we know about in California. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 51+ of 51 races · loading the full list…
Sun, Sep 27, 2026 · 5:00 AM · Palo Alto, CA
Tour De Cure: Northern California
- Price
- Price on registration site
Thu, Oct 1, 2026 · 12:00 AM · livermore, CA
6th Annual Dia de los Muertos 50 Mile Challenge!
- Price
- Price on registration site
Thu, Oct 1, 2026 · 5:30 AM · Santa Cruz, CA
2026 Santa Cruz Sunrise Rotary Ride - 29th Annual!
- Price
- Price on registration site
Sat, Oct 3, 2026 · 7:30 AM · North Fork, CA
Grizzly Gravel & Century Charity Ride
- Price
- Price on registration site
Sat, Oct 10, 2026 · 8:00 AM · San Diego, CA
Bikes & Beers San Diego
- Price
- Price on registration site
Sat, Oct 10, 2026 · 7:00 AM · San Francisco, CA
Ruth Anderson Memorial Endurance Run
- Price
- Free
Sat, Oct 10, 2026 · 6:00 AM · Dinuba, CA
Ridge Creek Run Club 12 Hour Ultra
- Price
- $102.20
- Field size
- 20 · based on the organizer's entry cap
Sun, Oct 11, 2026 · 8:00 AM · Susanville, CA
Bizz Johnson
- Price
- $91.10-$128.20
- Field size
- 425 · based on the organizer's entry cap
Sat, Oct 17, 2026 · 7:00 AM · San Diego, CA
Lake Hodges Trail Festival
- Price
- $16.90-$154.70
- Field size
- 40 · based on the organizer's entry cap
Sat, Oct 17, 2026 · 7:00 AM · Santa Barbara, CA
Ride Santa Barbara 100
- Price
- Price on registration site
Sat, Oct 24, 2026 · 9:30 AM · Fullerton, CA
OC United 2026 Pumpkin Run and Ride
- Price
- $25-$35
Sun, Oct 25, 2026 · 9:30 AM · Valencia, CA
Finish The Ride and Finish The Run Santa Clarita
- Price
- $16.90-$64.60
- Field size
- 175 · based on the organizer's entry cap
Sat, Nov 7, 2026 · 8:45 AM · Castro Valley, CA
Lake Chabot Trail Run
- Price
- Free-$96.40
- Field size
- 591 · basis unavailable
Sat, Nov 7, 2026 · 8:00 AM · Irvine, CA
2026 Kaiser Permanente Get Fit Festival
- Price
- $35-$240
Sat, Nov 7, 2026 · 7:00 AM · Long Beach, CA
Bayshore Sprint and 70.4
- Price
- Price on registration site
Sat, Nov 14, 2026 · 7:00 AM · Death Valley, CA
Death Valley Century
- Price
- Price on registration site
Thu, Dec 31, 2026 · 9:00 AM · San Jose, CA
New Year's One Day
- Price
- Free-$218.30
Fri, Jan 1, 2027 · 12:00 AM · Any City - Any State, CA
2027 CHALLENGE
- Price
- Price on registration site
Sat, Jan 9, 2027 · 6:00 AM · Escondido, CA
San Diego 50 & Trail Runs
- Price
- $16.90-$165.30
Sat, Jan 9, 2027 · 5:00 AM · Avalon, CA
Avalon Benefit 50 Mile/50K Run
- Price
- $178.25-$486.95
- Field size
- 935 · based on the organizer's entry cap
Sun, Jan 17, 2027 · 8:45 AM · Woodside, CA
SPASM Crystal Springs Trail Run
- Price
- Free-$96.40
Sat, Feb 6, 2027 · 8:30 AM · Sausalito, CA
Golden Gate Trail Run
- Price
- Free-$96.40
- Field size
- 500 · based on the organizer's entry cap
Sat, Feb 13, 2027 · 8:00 AM · Auburn, CA
FOURmidable
- Price
- $43.40-$85.80
Sat, Feb 20, 2027 · 8:10 AM · Pacifica, CA
Montara Mountain Trail Run
- Price
- Free-$96.40
Sat, Mar 20, 2027 · 8:15 AM · Oakland, CA
Redwood (Spring) Trail Run
- Price
- Free-$96.40
Sat, Mar 20, 2027 · 10:15 AM · Los Angeles, CA
Finish The Ride and Finish The Run Griffith Park
- Price
- $11.60-$69.90
Sat, Mar 20, 2027 · 5:00 AM · Valencia, CA
VALENCIA Trail Race
- Price
- $93.22-$178.02
Sat, Apr 3, 2027 · 7:00 AM · Hemet, CA
Bedrock Valley Trail Runs
- Price
- $16.90-$122.90
Sun, Apr 4, 2027 · 7:00 AM · Hemet, CA
Bedrock Valley Gravel Ride
- Price
- Price on registration site
Sat, Apr 17, 2027 · 8:15 AM · Los Gatos, CA
Horseshoe Lake Trail Run
- Price
- Free-$96.40
Sun, Apr 18, 2027 · 7:00 AM · San Diego, CA
2027 Granfondo San Diego
- Price
- Price on registration site
Sat, Apr 24, 2027 · 12:01 AM · Death Valley, CA
Badwater 267 VR Elite
- Price
- Price on registration site
Sat, Apr 24, 2027 · 8:45 AM · Castro Valley, CA
SPASM Lake Chabot Trail Run
- Price
- Free-$96.40
Sat, May 1, 2027 · 8:00 AM · Santa Clarita, CA
Santa Clarita Trail Race
- Price
- $75.20-$181.20
Sat, May 8, 2027 · 8:30 AM · Berkeley, CA
Grizzly Peak Trail Run
- Price
- Free-$96.40
Sun, May 23, 2027 · 8:15 AM · Clayton, CA
Diablo Trail Run
- Price
- Free-$96.40
Sat, Jun 5, 2027 · 8:15 AM · Oakland, CA
Cinderella Trail Run
- Price
- Free-$96.40
Sat, Jun 5, 2027 · 7:00 AM · Fish Camp, CA
Shadow of the Giants 50k & 20k Run
- Price
- $105.94-$158.94
- Field size
- 336 · based on the organizer's entry cap
Sat, Jun 5, 2027 · 7:00 AM · Escondido, CA
2027 Giro di San Diego
- Price
- Price on registration site
Sat, Jul 10, 2027 · 8:15 AM · Santa Cruz, CA
San Lorenzo River Trail Run
- Price
- Free-$96.40
Sat, Aug 14, 2027 · 8:15 AM · Oakland, CA
Redwood (Summer) Trail Run
- Price
- Free-$96.40