Ultras in California — 2026

There are 81 ultras in California scheduled for 2026. The next is the FIESTA HALF MARATHON, 10K & MILE RUN - FRESNO in Fresno on September 6. California ultras run primarily September through June.

FIESTA HALF MARATHON, 10K & MILE RUN - FRESNO

Sun, Sep 6 · Fresno, CA Fresno

MILE RUN2 MILE SPEED WALK10K RUN +2

From $25 Open Closing Soon

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Vibha Bay Area Dream Mile 2026

Sun, Sep 6 · Sunnyvale, CA Sunnyvale

5K Walk/Run10K Walk/RunHM Walk/Run +3

From $35 Open Closing Soon

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The Dublin Trail Challenge

Mon, Sep 7 · Dublin, CA Dublin

Run, Walk, or Hike 26 Miles!Bike 65 Miles

From $6 Open

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Long Beach Labor Day Run - Labor of Love 5K, 10K, Kids Dash

Mon, Sep 7 · Long Beach, CA Long Beach

1 Miler5K10K +2

From $15 Open Closing Soon

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Labor of Love - Merging Forces 5K.10K by Califlow Runs

Mon, Sep 7 · Long Beach, CA Long Beach

1 Miler5K10K +1

From $15 Open Closing Soon

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MVRRC Shoe4Africa 5K Championship & Kids 1-mile Championship (Cash Prize)

Sat, Sep 12 · Perris, CA Perris

Kids 1 mile raceMVRRC Shoe4Africa 5K Championship & Kids 1-mile Championship (Cash Prize)Kids 200Meters +1

From $5 Open Closing Soon

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Saddle2Surf

Sun, Sep 13 · Norco, CA Norco

50K50 Mile Relay50K Relay +1

From $75 Open Closing Soon

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Mile Madness Endurance Run

Fri, Sep 18 · Auburn, CA Auburn

3 Hour Run6 Hour Glow Run24 Hour Run +6

From $75 Open

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Bikes & Beers Ventura

Sat, Sep 19 · Ventura, CA Ventura

15 MILE (10:00 AM Start Time)30 MILE (9:30 AM Start Time)30 MILE (9:00 AM Start Time) +3

From $22.7 Open

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Gold Rush Adventure Challenge: Dawn to Dusk

Sat, Sep 19 · Sausalito, CA Sausalito

Racer Entry

From $250 Open Closing Soon

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Run Your Gourd Off!

Sun, Sep 20 · Wheatland, CA Wheatland

5K Run/WalkVirtual 5K Run/WalkKids' 1 Mile & ½ Mile Pumpkin Dash

From $25 Open Closing Soon

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Take Me to Your Pizza : Alien Dash 5K. 10K. Half Marathon Sponsored by Domino's Pizza

Sun, Sep 27 · Long Beach, CA Long Beach

Family Fun 1 Miler - Untimed5K: The Fast Slice 5K10K: The Deep Dish Dash 10K +2

From $20 Open

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50 Miles for 50 Years of Safety

Thu, Oct 1 · San Francisco, CA San Francisco

50 Miles for 50 Years of Safety

From $30 Closed

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Never Say Die Run 5K. 10K. Half Marathon An 80s Adventure Movie Inspired Race

Sun, Oct 4 · Long Beach, CA Long Beach

5K10KHalf Marathon +1

From $10 Open

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A Snail's Pace x Saucony Sunset Relays

Sat, Oct 10 · Santa Ana, CA Santa Ana

4x100m Relay4x200m Relay4x400m Relay +3

From $42.5 Closed

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Scarecrow 2.0

Sat, Oct 10 · Exeter, CA Exeter

Kids Dash 6-102 Mile Run/Walk10K Run/Walk +1

From $15 Open

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CASA of Tulare County Superhero 5K

Sat, Oct 10 · Tulare, CA Tulare

Superhero 5K Run/WalkVirtual Superhero 5K Run/WalkSuperhero Kids Race +1

From $0 Open Closing Soon

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Bikes & Beers San Diego

Sat, Oct 10 · San Diego, CA San Diego

15 MILE (10:00 AM Start Time)30 MILE (9:00 AM Start Time)30 MILE (9:30 AM Start Time) +3

From $23.04 Open

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Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs

Sun, Oct 18 · Huntington Beach, CA Huntington Beach

5K10KHalf Marathon +1

From $15 Open Closing Soon

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MISSION INN RUN

Sun, Oct 18 · Riverside, CA Riverside

5K Run5K WalkVirtual 5K (Virtual Run/Walk) +5

From $25 Open

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The Fresno Donut Run

Sun, Oct 18 · Fresno, CA Fresno

5k Run & WalkKids Donut Dash - 9 & Under

From $25 Open

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2026 Cal Tri LA - 10.18.26

Sun, Oct 18 · Playa Del Rey, CA Playa Del Rey

Olympic Swim (1640 yards)5K10K +11

From $23.86 Open

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Hill Valley 88 Miler ™

Wed, Oct 21 · Hill Valley, CA Hill Valley

The 0.25 MileThe 1/2 MileOne Mile Fun Run/Walk +7

From $15 Open

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Pleasanton Rotary Halloween Spirit Run

Sun, Oct 25 · Pleasanton, CA Pleasanton

5K Run/Walk10K Run/WalkKids Challenge: 100 yard dash +1

From $19.8 Closed

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Finish The Ride and Finish The Run Santa Clarita

Sun, Oct 25 · Valencia, CA Valencia

1K Kids and Puppy Run5K Run/Walk10K Run/Walk +4

From $10 Open Closing Soon

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Day of The Dead 5K & 10k

Sun, Oct 25 · Fair Oaks, CA Fair Oaks

Day Of The Dead 5kDay Of The Dead 10kCalaveritas Run

From $25 Open

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Trick or Trot 5K, 10K, and Half Marathon by Califlow Runs

Sun, Oct 25 · Long Beach, CA Long Beach

5K10KHalf Marathon +1

From $15 Open

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Miles For Meals Virtual Triathlon and Virtual Marathon

Sun, Nov 1 · Sacramento, CA Sacramento

Virtual MarathonVirtual Half Triathlon (70.3)

From $90 Open

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2026 Optimism Cal Tri Newport Dunes - 11.1.26

Sun, Nov 1 · Newport Beach, CA Newport Beach

Olympic Swim (1640 yards)5K10K +10

From $23.86 Open

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Oakland Tech 5km/1 mile Race/Run/Walk Fundraiser

Sun, Nov 1 · Oakland, CA Oakland

Oakland Tech 5km Fundraiser RaceOakland Tech 1 Mile Fun Run/Walk Fundraiser

From $30 Open

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3rd Annual Celebration Of Life 5K/Kids Run/Walk

Sat, Nov 7 · San Jose, CA San Jose

5K Run/Walk (Shirt + Medal Included)Kids Run (12yrs and under) + Special Prize

From $15 Open

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Huffin for the Stuffin- Turkey Trot 5K, 10K, & Half Marathon

Sat, Nov 14 · Long Beach, CA Long Beach

5K10KHalf Marathon +1

From $15 Open

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Furgiving Run: Turkey Trot 5K, 10K, Half Marathon by Califlow Runs

Sun, Nov 22 · Long Beach, CA Long Beach

1 Miler5K10K +2

From $15 Open

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Inland Valley Turkey Trot

Thu, Nov 26 · Menifee, CA Menifee

2 Mile Race5K Race10K Race +2

From $10 Open 20 spots left

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Turkey Day Trot- 5K & Family 1-Miler

Thu, Nov 26 · Santa Monica, CA Santa Monica

1 Miler5KKids Dash

From $20 Open 60 spots left

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Plymouth Rock n Run

Thu, Nov 26 · Anaheim, CA Anaheim

5K Run/Walk10K Run/WalkKids Run (1K - 12 & Under) +2

From $5 Open 50 spots left

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Oakland Turkey Trot

Thu, Nov 26 · Oakland, CA Oakland

VIP Village & 5K presented by Abio PropertiesIndividual 5KKids Race (ages 2-7)

From $9 Closed 100 spots left

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2026 Pacific Palisades Turkey Trot

Thu, Nov 26 · PACIFIC PALISADES, CA PACIFIC PALISADES

Pacific Palisades Turkey Trot 5KPacific Palisades Turkey Trot 10KSt. Matthew's Kids Race +1

From $0 Open

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Applied Materials Silicon Valley Turkey Trot

Thu, Nov 26 · San Jose, CA San Jose

Turkey Trot Virtual 5K AND Santa Run Virtual 5KCEO/Executive 5K GoldLumentum International 5K +23

From $0 Open

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Midway Shelter Winter Run / Walk ~ 5k, 10k and Kids Run

Sat, Dec 5 · Alameda, CA Alameda

5K Run/Walk10K Run / Walk12 and Under 1/2 Mile Kids Run

From $20 Open 50 spots left

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MaraFUNrun 5K

Sat, Dec 5 · Sacramento, CA Sacramento

5K - I am not affiliated with a school5K - I am a student who is running with my school5K - I am running with a school or a child who is running with their school +3

From $0 Open

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San Joaquin River Trail 10k/25k/50k

Sat, Dec 5 · Friant, CA Friant

SJRT 25kSJRT 50kSJRT 10k

From $45 Open

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50th Annual Holiday Run and Walk for Health

Sat, Dec 12 · Antioch, CA Antioch

1 Mile3 Mile Run/WalkKids Dash with Santa

From $0 Open

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Winter Runderland 5K, 10K, & Half Marathon. Kids Dash

Sun, Dec 13 · Long Beach, CA Long Beach

5K10KHalf Marathon +1

From $15 Open

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Santa Runs Palm Springs

Sat, Dec 19 · Palm Springs, CA Palm Springs

5KElf Dash

From $15 Open

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The Jingle Bell Dash Kids Dash, 1 Miler, 5K, 10K and Half Marathon & Santa Paws Doggie Run

Sat, Dec 19 · Long Beach, CA Long Beach

5K10KHalf Marathon +2

From $20 Closed

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Feliz Navidad Run 5K 10K Half Marathon by Califlow Runs

Sat, Dec 19 · Long Beach, CA Long Beach

5K10KHalf Marathon +1

From $20 Open Closing Soon

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Santa’s Reindeer Run - 3rd Annual- 5K, 10K, and Half Marathon

Sun, Dec 20 · Huntington Beach, CA Huntington Beach

Reindeer Romp 1-Miler5K — Jingle Dash10K Holiday Hustle +2

From $7 Open

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New Year's One Day

Thu, Dec 31 · San Jose, CA San Jose

6 hour Solo6 hour Team12 hour Solo +4

From $90 Open

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Badwater 267 VR

Fri, Jan 1 · Death Valley, CA Death Valley

Badwater 267 VR - Running DivisonBadwater 267 VR - Multi-Sport Division (See website for details)

From $93 Open

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