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Ultra Marathons Near North America
Showing the next 50 runs that match your filters
Featured
Bay to Breakers
Party your way!
Date: May 16, 2026 - Saturday
Size: 10,000+ participants
Location: San Francisco, California
Featured
Run For Water
Get $5 Off - Use Code runguides2026
Date: May 24, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Abbotsford, British Columbia
Austin Spartan Event Weekend
Date: May 16-17, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Burnet, Texas
Superior Spring Trail Race
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Tofte, Minnesota
Silver State 50 Miler, 50K, Half Marathon
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Reno, Nevada
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Bishop High Sierra Ultras
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Bishop, California
Tillamook Burn
Date: May 16-17, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Timber, Oregon
Corral Canyon Trail Scramble
Date: May 16, 2026 - Saturday
Size: 1 - 100 participants
Location: Campo, California
Ram Party Trail Runs
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Colorado Springs, Colorado
Armed Forces Endurance Run
Date: May 16-17, 2026 - Saturday to Sunday
Size: 1 - 100 participants
Location: Kendallville, Indiana
Possum's Revenge
Get $5 Off - Use Code RunGuide5
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Graford, Texas
Sun Mountain 50M/50K/25K
Date: May 16-17, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Winthrop, Washington
Sehgahunda Trail Marathon, Marathon Relay & Vale of Three Falls
Date: May 16-17, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Hunt, New York
Agapé 100k + 50k
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Fuquay-Varina, North Carolina
Berrman 50 Mile and Marathon Trail Races
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Steelville, Missouri
Cleveland Spartan Weekend
Date: May 16-17, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Windham, Ohio
Panther City Ultra
Get 10% Off - Use Code RUNGUIDES
Date: May 16, 2026 - Saturday
Size: 100 - 500 participants
Location: Fort Worth, Texas
Highball to Thurmond Ultra & Relay
Date: May 17, 2026 - Sunday
Size: 100 - 500 participants
Location: Thurmond, West Virginia
Hillbilly Hustle
Date: May 17, 2026 - Sunday
Size: 100 - 500 participants
Location: Nanaimo, British Columbia
Feel The Burn Trail Runs
Date: May 22-23, 2026 - Friday to Saturday
Size: 100 - 500 participants
Location: North Little Rock, Arkansas
High Hope Endurance Run
Date: May 22-26, 2026 - Friday to Tuesday
Size: 100 - 500 participants
Location: Glen Rose, Texas
Sri Chinmoy Self-Transcendence 7 & 13 Hour Races
Date: May 23, 2026 - Saturday
Size: 1 - 100 participants
Location: Seattle, Washington
Sulphur Springs Trail Race
Date: May 23-24, 2026 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Hamilton, Ontario
Adrenaline Night Runs
Date: May 23, 2026 - Saturday
Size: 100 - 500 participants
Location: Maricopa County, Arizona
Fools 50K & 25K Trail Run
Date: May 23, 2026 - Saturday
Size: 100 - 500 participants
Location: Peninsula, Ohio
Trail Festival at Pineland Farms
Date: May 23, 2026 - Saturday
Size: 500 - 1,000 participants
Location: New Gloucester, Maine
Leavenworth Trail Fest
Date: May 23, 2026 - Saturday
Size: 100 - 500 participants
Location: Leavenworth, Washington
Selkrik Slackers 12hr Ultra Trail Run & Relay
Date: May 23, 2026 - Saturday
Size: 100 - 500 participants
Location: Golden, British Columbia
Leavenworth Trail Fest
Date: May 23, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Leavenworth, Washington
Samson's Revenge Trail Race
Date: May 23, 2026 - Saturday
Size: 100 - 500 participants
Location: Estes Park, Colorado
Austin's Backyard Marathon
Date: May 23, 2026 - Saturday
Size: 100 - 500 participants
Location: Leander, Texas
L.O.S. - Last One Standing
Date: May 23-25, 2026 - Saturday to Monday
Size: 1 - 100 participants
Location: Spokane, Washington
Mission Trails Twilight Runs
Date: May 23, 2026 - Saturday
Size: 100 - 500 participants
Location: San Diego, California
Pigtails Challenge
Date: May 23-24, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Renton, Washington
The Sticks
Date: May 28-30, 2026 - Thursday to Saturday
Size: 1 - 100 participants
Location: Norton County, Kansas
Ragnar Trail Ohio
Date: May 29-30, 2026 - Friday to Saturday
Size: 1,000 - 5,000 participants
Location: Muskingum County, Ohio
Cinderella Trail Run
Date: May 30, 2026 - Saturday
Size: 100 - 500 participants
Location: Oakland, California
Echo Valley Trail Run
Date: May 30-31, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Chelan, Washington
Hotfoot Hamster
Date: May 30, 2026 - Saturday
Size: 1 - 100 participants
Location: Maricopa County, Arizona
Rabid Raccoon 100
Date: May 30-31, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Beaver Falls, Pennsylvania
Run Comfy Numb Trail Race
Date: May 30, 2026 - Saturday
Size: 100 - 500 participants
Location: Whistler Resort Municipality, British Columbia
Colorado Springs Spartan Weekend
Date: May 30-31, 2026 - Saturday to Sunday
Size: 500 - 1,000 participants
Location: Colorado Springs, Colorado
North Fork Trail Race
Date: May 30, 2026 - Saturday
Size: 100 - 500 participants
Location: Pine, Colorado
Sooke Hills 25k and 50k
Date: May 30, 2026 - Saturday
Size: 100 - 500 participants
Location: Sooke, British Columbia
Weld Your Mettle Running Festival
Date: May 30-31, 2026 - Saturday to Sunday
Size: 100 - 500 participants
Location: Eaton, Colorado
Momentus BackYard Ultra
Date: May 30, 2026 - Saturday
Size: 100 - 500 participants
Location: Monroe, North Carolina
Backyard Ultra of Northern Utah
Date: May 30-31, 2026 - Saturday to Sunday
Size: 1 - 100 participants
Location: Mantua, Utah
Snakehill Backyard Ultra
Date: May 30, 2026 - Saturday
Size: 1 - 100 participants
Location: Sundre, Alberta
Mainly Marathons Independence Series - Day 1
Date: Jun 3, 2026 - Wednesday
Size: 1 - 100 participants
Location: Bear, Delaware
Mainly Marathons Independence Series - Day 2
Date: Jun 4, 2026 - Thursday
Size: 1 - 100 participants
Location: Elkton, Maryland
IronHike Endurance Series - Spring - Mohawk Mountain
Date: Jun 4-7, 2026 - Thursday to Sunday
Size: 100 - 500 participants
Location: Litchfield, Connecticut
Ragnar Trail Colorado
Date: Jun 5-6, 2026 - Friday to Saturday
Size: 1,000 - 5,000 participants
Location: Snowmass Village, Colorado