March Ultras in the USA
Santa Barbara, CA
Santa Barbara Nine Trails
Mar 15, 2025
Livingston, NJ
Livingston Oval Ultra
Mar 9, 2024
Sausalito, CA
Marin Ultra Challenge
Mar 9, 2024
De Witt, IL
Clinton Lake Ultra
Mar 30, 2024
Fairbanks, AK
Chena River to Ridge
Mar 2, 2024
Tanana River Challenge
Mar 16, 2024
White Mountains 100
Mar 23, 2024
Lake Texoma, TX
Cross Timbers Trail Run
Mar 2, 2024
Alexander City, AL
Lake Martin 100
Mar 16, 2024
Bellingham, WA
Chuckanut Mountain 50K Trail Run
Mar 16, 2024
Cody, WY
Hunt Trail Race
Mar 9, 2024
Ivins, UT
Red Mountain
Mar 1, 2025
Saint George, UT
Lake to Lake Relay and Ultra
Mar 1, 2025
Boulder City, NV
Blood, Sweat & Beers
Mar 30, 2024
Bootlegger 50K
Mar 30, 2024
Leesport, PA
Naked Bavarian 20M/40M
Mar 2, 2024
Oakdale, CA
San Jose Spartan
Mar 30, 2024
Mar 31, 2024
Granite Bay, CA
Chanoko Trail Runs
Mar 9, 2024
Olympia, WA
Little Backyard Adventure
Mar 8, 2025
Issaquah, WA
Running Up For Air - Tiger Mountain
Mar 8, 2025
College Station, TX
Green Ultra at Millican
Mar 16, 2024
Wilmington, NC
Wilmington Growler Relay
Mar 23, 2024
Richland, WA
Badger Mountain Challenge
Mar 22, 2024
Seattle, WA
Dizzy Daze
Mar 30, 2024
Lawrence, KS
Pi Day River Rotation
Mar 9, 2024
Syracuse, UT
Antelope Island Buffalo Run
Mar 29, 2024
Charleston, SC
Palmetto Relay
Mar 22, 2024
Mar 23, 2024
Gonzales, TX
Texas Independence Relay
Mar 23, 2024
Henderson, NV
Trail Trashed
Mar 23, 2024
Chickamauga, GA
The Cove
Mar 23, 2024
Folsom, CA
Folsom South Side Trail Run
Mar 16, 2024
Moab, UT
Behind the Rocks
Mar 23, 2024
Graham, TX
Hidden Hills Ultra
Mar 23, 2024
Jacksonville, FL
Loopapalooza
Mar 24, 2024
Charlottesville, VA
Bel Monte Endurance Races
Mar 9, 2024
Santa Clarita, CA
Valencia Trail Race
Mar 23, 2024
Homer, AK
Homer Epic
Mar 9, 2024
Jupiter, FL
Picnic Island Ultra
Mar 16, 2024
Los Angeles, CA
Griffith Park Trail Run
Mar 23, 2024
Comfort, TX
Dos Senderos
Mar 2, 2024
Chattanooga, TN
Rock/Creek Stump Jump Trail Race
Mar 9, 2024
Naperville, IL
4x4x48 Challenge
Mar 22, 2024
Decatur, TX
Grasslands Trail Run
Mar 16, 2024
Saint Petersburg, FL
4x4x48 Challenge
Mar 22, 2024
Houston, TX
Texas Independence Relay
Mar 23, 2024
Brooksville, FL
Long Play Trail Run
Mar 2, 2024
Memphis, TN
Big Buffalo 50
Mar 23, 2024
Beaver Falls, PA
Rabid Raccoon 100
Mar 16, 2024
Corona, CA
Run4Kids 24 Hour Running Party
Mar 22, 2024
Las Vegas, NV
Labor of Love Races
Mar 8, 2025
Danville, VA
Green Monster
Mar 23, 2024
Cape Girardeau, MO
Howard Aslinger Endurance Run
Mar 15, 2024
Susquehanna State Park, MD
HAT Run
Mar 23, 2024
Port Angeles, WA
Frosty Moss Relay
Mar 15, 2025
San Angelo, TX
Crazy Desert Trail Race
Mar 2, 2024
Tulsa, OK
Snake Run
Mar 10, 2024
Cumberland, RI
F.I.T. 'Rock Trail Race
Mar 16, 2024
Columbia, MO
Three Creeks Torrent Trail Runs
Mar 9, 2024
San Antonio, TX
SARR Prickly Pear 50K/15K/5K
Mar 10, 2024
Panama City Beach, FL
Gulf Coast Conservation Trailfest
Mar 16, 2024
Pinedale, WY
The Drift
Mar 10, 2024
Mar 8, 2024
Valparaiso, IN
Tombstone 30K/50K Trail Run
Mar 3, 2024
Sedalia, VA
Terrapin Mountain 50K
Mar 16, 2024
Waddell, AZ
Mesquite Canyon Trail Runs
Mar 9, 2024
Chicago, IL
Chicago Lakefront 50K
Mar 30, 2024
Gaithersburg, MD
Seneca Creek Greenway Trail Marathon and 50K
Mar 9, 2024
Grand Rivers, KY
Land Between the Lakes Trail Runs
Mar 9, 2024
Anniston, AL
McClellan Madness
Mar 9, 2024
Westwood, MA
TARC To Hale and Back
Mar 23, 2024
Decatur, AL
Delano Park
Mar 2, 2024
West Orange, NJ
Squatchapple Trail Race
Mar 9, 2024
Oakland, CA
Redwood (Spring) Trail Run
Mar 30, 2024
Sonoita, AZ
Old Pueblo Endurance Runs
Mar 2, 2024
Yellow Springs, OH
8 Hours of Power (John Bryan State Park)
Mar 30, 2024
John Bryan Trail Race
Mar 30, 2024
Waynesville, MO
Racing for Daylight
Mar 9, 2024
Laurinburg, NC
Run with the Knights 24 Hr Ultra
Mar 23, 2024
Florence, OR
Siuslaw Dunes
Mar 16, 2024
Lithia Springs, GA
SweetH2O 50K
Mar 10, 2024
Rocksprings, TX
J&J Race & Trail Running Reunion
Mar 8, 2025
Waretown, NJ
Spring Rat Race
Mar 23, 2024
Fort Payne, AL
Lost Falls
Mar 2, 2024
Blairsville, GA
Georgia Death Race
Mar 30, 2024
Selma, AL
Selma to Montgomery Relay
Mar 16, 2024
Parkton, MD
Genesee Valley Ultra
Mar 23, 2024
Muenster, TX
Ramble In The Brambles Trail Run
Mar 23, 2024
Swannanoa, NC
Land and Lakes Relay
Mar 1, 2025
Douglassville, PA
Shamrock Shenanigans Ultra
Mar 16, 2024
Shepherdsville, KY
Bourbon Country 25K/50K
Mar 30, 2024
Moncks Corner, SC
Hallucination 6/12/24 Hour Trail Run
Mar 16, 2024
Bald Head Island, NC
Badwater Cape Fear
Mar 23, 2024
Thomaston, GA
Widow Maker Ultra
Mar 23, 2024
Pegram, TN
Music City Trail Ultra
Mar 2, 2024
Crown King, AZ
Crown King Scramble
Mar 22, 2025
Monument Valley, UT
Monument Valley Ultra
Mar 2, 2024
Canal Fulton, OH
Get Lucky 50/50
Mar 15, 2025
Williamson, WV
Conquer the Wall Endurance Challenge
Mar 8, 2024
Dayton, VA
Hone Quarry 40 Miler
Mar 23, 2024
Fort McDowell, AZ
The Onyx Race
Mar 30, 2024
Adrian, OR
Owyhee Off-Road Challenge
Mar 23, 2024
Julian, CA
Old West Trail Runs
Mar 15, 2025
Haysville, KS
Shamrock Shuffle 5K
Mar 9, 2024
Mount Pleasant, SC
Peyton's Wild and Wacky 5K Ultra
Mar 9, 2024
Poland, IN
OPSF50|50
Mar 23, 2024
Green Bay, VA
Dogwood Ultra Marathons
Mar 22, 2024
Fifty-Six, AR
Three Days of Syllamo Stage Race
Mar 15, 2024 - Day One
Mar 16, 2024 - Day Two
Mar 17, 2024 - Day Three
Los Osos, CA
Montana de Oro Trail Run
Mar 23, 2024
Roseau, MN
ROAR 4x4x48 Challenge
Mar 22, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
61. Old West Trail Runs
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Mar 15, 2025Saturday
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50K, 26.2M, 13.1M trail run
More Information
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Julian, CA
San Diego County, CA
62. Pulse Endurance Runs
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Past DateMar 15, 2024Friday
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24H, 100M, 12H, 6H trail run
More Information
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Eagle, ID
Ada County, ID
63. Santa Barbara Nine Trails
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Mar 15, 2025Saturday
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35M trail run
More Information
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Santa Barbara, CA
Santa Barbara County, CA
64. Three Days of Syllamo Stage Race
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Past DateMar 15, 2024FridayDay One
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50K trail run
More Information
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Fifty-Six, AR
Stone County, AR
65. Chuckanut Mountain 50K Trail Run
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Past DateMar 16, 2024Saturday
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50K trail run
More Information
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Bellingham, WA
Whatcom County, WA
66. F.I.T. 'Rock Trail Race
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Past DateMar 16, 2024Saturday
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12H, 2.5H, 5M, 5K trail run | 12H relay | kids run
More Information
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Cumberland, RI
Providence County, RI
67. Folsom South Side Trail Run
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Past DateMar 16, 2024Saturday
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50K, 26.2M, 21M, 30K, 13.1M, 9M, 10K, 5K trail run
More Information
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Folsom, CA
Sacramento County, CA
68. Grasslands Trail Run
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Past DateMar 16, 2024Saturday
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100M, 50M, 26.2M, 13.1M, 15K trail run
More Information
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Decatur, TX
Wise County, TX
69. Green Ultra at Millican
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Past DateMar 16, 2024Saturday
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50K, 25K, 10K trail run | kids run
More Information
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College Station, TX
Brazos County, TX
70. Gulf Coast Conservation Trailfest
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Past DateMar 16, 2024Saturday
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50K, 15K trail run
More Information
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Panama City Beach, FL
Bay County, FL
71. Hallucination 6/12/24 Hour Trail Run
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Past DateMar 16, 2024Saturday
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24H, 12H, 6H trail run
More Information
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Moncks Corner, SC
Berkeley County, SC
72. Lake Martin 100
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Past DateMar 16, 2024Saturday
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100M, 50M, 27M trail run
More Information
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Alexander City, AL
Tallapoosa County, AL
73. Picnic Island Ultra
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Past DateMar 16, 2024Saturday
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10H, 6H, 13.1M, 10K run | 6H relay
More Information
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Jupiter, FL
Palm Beach County, FL
74. Pulse Endurance Runs
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Past DateMar 16, 2024Saturday
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12H, 6H trail run
More Information
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Eagle, ID
Ada County, ID
75. Rabid Raccoon 100
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Past DateMar 16, 2024Saturday
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100M, 100K, 13.1M trail run
More Information
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Beaver Falls, PA
Beaver County, PA
76. Selma to Montgomery Relay
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Past DateMar 16, 2024Saturday
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51M relay
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Selma, AL
Dallas County, AL
77. Shamrock Shenanigans Ultra
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Past DateMar 16, 2024Saturday
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10H, 5H run
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Douglassville, PA
Berks County, PA
78. Siuslaw Dunes
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Past DateMar 16, 2024Saturday
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50K, 25K trail run
More Information
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Florence, OR
Lane County, OR
79. Tanana River Challenge
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Past DateMar 16, 2024Saturday
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45M, 25M run
More Information
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Fairbanks, AK
Fairbanks North Star County, AK
80. Terrapin Mountain 50K
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Past DateMar 16, 2024Saturday
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50K, 13.1M trail run
More Information
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Sedalia, VA
Bedford County, VA
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.