Upcoming Ultramarathons

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

Bobcat Trail Races

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

50K
Cave Creek Thriller Trail Runs

Cave Creek Thriller Trail Runs

Cave Creek, AZ • 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
Rio Del Lago 50k

Rio Del Lago 50k

Auburn, California • Sat, Nov 7, 2026

50K
Mt. Tam Trail Run

Mt. Tam Trail Run

Stinson Beach, CA • Sat, Nov 7, 2026

50K
Tunnel Hill 100

Tunnel Hill 100

Vienna, IL • Sat, Nov 14, 2026

100 Mile Ultra
Tunnel Hill 100

Tunnel Hill 100

Vienna, IL • Sat, Nov 14, 2026

50 Mile Ultra
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
Live Oak Odyssey

Live Oak Odyssey

Trabuco Canyon, CA • Sat, Nov 14, 2026

6 Hour
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

50K
McDowell Mountain Frenzy Trail Runs

McDowell Mountain Frenzy Trail Runs

Fountain Hills, AZ • Sat, Dec 5, 2026

50 Mile Trail
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

Across The Years

Peoria, AZ • Mon, Dec 28, 2026

Ultra 100K

Across The Years

Peoria, AZ • Mon, Dec 28, 2026

200 Mile
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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