Upcoming Ultramarathons

Find upcoming ultramarathons. Compare dates, locations, course profiles, weather, and past results, then plan your next ultramarathon.

Six-O Trail Run

Cleburne, TX • Sat, Sep 5, 2026

50K
Labor Day Trail Challenge

Labor Day Trail Challenge

Cedar Creek, TX • Sat, Sep 5, 2026

50 Mile Trail
TO50

TO50

Toronto, ON • Sat, Sep 5, 2026

50K
Labor Day Trail Challenge

Labor Day Trail Challenge

Cedar Creek, TX • Sat, Sep 5, 2026

50K
Diablo Trail Marathon - 50K

Diablo Trail Marathon - 50K

Clayton, CA • Sun, Sep 6, 2026

50K
Frozen Head Ultra Marathon

Frozen Head Ultra Marathon

Wartburg, TN • Sun, Sep 6, 2026

50K
Superior Fall Trail Race

Superior Fall Trail Race

Lutsen, MN • Fri, Sep 11, 2026

Ultra 100 Mile
Wasatch Front 100

Wasatch Front 100

Kaysville, UT • Fri, Sep 11, 2026

Ultra 100 Mile
Berkeley Trail Adventure

Berkeley Trail Adventure

Berkeley, CA • Sat, Sep 12, 2026

50K
Snow Mountain Ranch Trail Running Festival

Snow Mountain Ranch Trail Running Festival

Granby, CO • Sat, Sep 12, 2026

50K
Mogollon Monster

Mogollon Monster

Pine, AZ • Sat, Sep 12, 2026

Ultra 100 Mile
Tahoe 200 2026

Tahoe 200 2026

Olympic Valley, CA • Fri, Sep 18, 2026

200 Mile Ultra
Run Rabbit Run

Run Rabbit Run

Steamboat Springs, CO • Fri, Sep 18, 2026

Ultra 100 Mile
Run Rabbit Run

Run Rabbit Run

Steamboat Springs, CO • Sat, Sep 19, 2026

50 Mile Trail
Priest Lake Marathon

Priest Lake Marathon

Priest Lake, ID • Sat, Sep 19, 2026

50K
Kilkenny Ridge Race

Kilkenny Ridge Race

Stark, NH • Sat, Sep 19, 2026

50 Mile Trail
Bryce Canyon Ultras

Bryce Canyon Ultras

Hatch, UT • Sat, Sep 19, 2026

50 Mile Trail
Bryce Canyon Ultras

Bryce Canyon Ultras

Hatch, UT • Sat, Sep 19, 2026

60K
Bryce Canyon Ultras

Bryce Canyon Ultras

Hatch, UT • Sat, Sep 19, 2026

50K
Bryce Canyon Ultras

Bryce Canyon Ultras

Hatch, UT • Sat, Sep 19, 2026

Ultra 100 Mile
Jangover Night Runs

Jangover Night Runs

Fountain Hills, AZ • Sat, Sep 19, 2026

75K
Jangover Night Runs

Jangover Night Runs

Fountain Hills, AZ • Sat, Sep 19, 2026

50K
Ruidoso Runfest

Ruidoso Runfest

Ruidoso, NM • Sat, Sep 19, 2026

50K
The Bear 100

The Bear 100

Logan, UT • Fri, Sep 25, 2026

Ultra 100 Mile
Flagstaff Sky Peaks

Flagstaff Sky Peaks

Flagstaff, AZ • Sat, Sep 26, 2026

50 Mile Trail
Flagstaff Sky Peaks

Flagstaff Sky Peaks

Flagstaff, AZ • Sat, Sep 26, 2026

50K
The Bear Chase

The Bear Chase

Lakewood, CO • Sat, Oct 3, 2026

Ultra 100K
The Bear Chase

The Bear Chase

Lakewood, CO • Sat, Oct 3, 2026

50 Mile Trail
The Bear Chase

The Bear Chase

Lakewood, CO • Sat, Oct 3, 2026

50K
The Hennepin Hundred

The Hennepin Hundred

Sterling, IL • Sat, Oct 3, 2026

Ultra 100 Mile
The Hennepin Hundred

The Hennepin Hundred

Sterling, IL • Sat, Oct 3, 2026

50 Mile Trail
Moab 240

Moab 240

Moab, UT • Fri, Oct 9, 2026

240 Mile Ultra
That's No Moon

That's No Moon

Silverado, CA • Sat, Oct 10, 2026

50 Mile Trail
That's No Moon

That's No Moon

Silverado, CA • Sat, Oct 10, 2026

50K
Cave Creek Thriller Trail Runs

Cave Creek Thriller Trail Runs

Cave Creek, AZ • Sat, Oct 17, 2026

50K
Bobcat Trail Races

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

50K
Javelina Jundred

Javelina Jundred

Fountain Hills, AZ • Sat, Oct 31, 2026

100 Mile Ultra
Javelina Jundred

Javelina Jundred

Fountain Hills, AZ • Sat, Oct 31, 2026

100K Ultra
Rio Del Lago 100

Rio Del Lago 100

Auburn, California • Sat, Nov 7, 2026

Ultra 100 Mile
Mt. Tam Trail Run

Mt. Tam Trail Run

Stinson Beach, CA • Sat, Nov 7, 2026

50K
Rio Del Lago 50k

Rio Del Lago 50k

Auburn, California • Sat, Nov 7, 2026

50K
Live Oak Odyssey

Live Oak Odyssey

Trabuco Canyon, CA • Sat, Nov 14, 2026

6 Hour
Pass Mountain Trail Runs

Pass Mountain Trail Runs

Mesa, AZ • Sat, Nov 14, 2026

50K
Pass Mountain Trail Runs

Pass Mountain Trail Runs

Mesa, AZ • Sat, Nov 14, 2026

50 Mile Trail
Tunnel Hill 100

Tunnel Hill 100

Vienna, IL • Sat, Nov 14, 2026

50 Mile Ultra
Tunnel Hill 100

Tunnel Hill 100

Vienna, IL • Sat, Nov 14, 2026

100 Mile Ultra
Fat Ox Endurance Runs

Fat Ox Endurance Runs

Goodyear, AZ • Fri, Nov 20, 2026

Ultra 100 Mile
JFK 50 Mile

JFK 50 Mile

Boonsboro, MD • Sat, Nov 21, 2026

50 Mile Ultra
Fat Ox Endurance Runs

Fat Ox Endurance Runs

Goodyear, AZ • Sat, Nov 21, 2026

Ultra 100K
Fat Ox Endurance Runs

Fat Ox Endurance Runs

Goodyear, AZ • Sat, Nov 21, 2026

50K
McDowell Mountain Frenzy Trail Runs

McDowell Mountain Frenzy Trail Runs

Fountain Hills, AZ • Sat, Dec 5, 2026

50 Mile Trail
McDowell Mountain Frenzy Trail Runs

McDowell Mountain Frenzy Trail Runs

Fountain Hills, AZ • Sat, Dec 5, 2026

50K
Tucson Marathon

Tucson Marathon

Oracle, AZ • Sun, Dec 13, 2026

50K
Woodside Ramble

Woodside Ramble

Woodside, CA • Sat, Dec 19, 2026

50K
Desert Solstice Track Invitational

Desert Solstice Track Invitational

Phoenix, AZ • Sat, Dec 19, 2026

Ultra 100 Mile

Across The Years

Peoria, AZ • Mon, Dec 28, 2026

200 Mile
Across The Years

Across The Years

Peoria, AZ • Mon, Dec 28, 2026

Ultra 100K
Across The Years

Across The Years

Peoria, AZ • Mon, Dec 28, 2026

Ultra 100 Mile
No Hands Trail Run

No Hands Trail Run

Auburn, CA • Sat, Jan 9, 2027

50K
Monterey Ultra

Monterey Ultra

Salinas, CA • Sat, Feb 6, 2027

50 Mile Trail
Fort Ord Trail Run

Fort Ord Trail Run

Salinas, CA • Sat, Feb 6, 2027

50K
Redtail Ridge Trail Run

Redtail Ridge Trail Run

Castro Valley, CA • Sat, Feb 20, 2027

50K
Marin Ultra Challenge

Marin Ultra Challenge

Sausalito, CA • Sat, Mar 13, 2027

50 Mile Trail
Marin Ultra Challenge

Marin Ultra Challenge

Sausalito, CA • Sat, Mar 13, 2027

50K
Western States 100

Western States 100

Olympic Valley, CA • Sat, Jun 26, 2027

Ultra 100 Mile
Hardrock 100

Hardrock 100

Silverton, CO • Fri, Jul 9, 2027

Ultra 100 Mile
Badwater 135

Badwater 135

Death Valley, CA • Mon, Jul 19, 2027

135 Mile Ultra
Leadville Trail 100 Run

Leadville Trail 100 Run

Leadville, CO • Sat, Aug 21, 2027

Ultra 100 Mile

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