50Ms in the USA
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Snoqualmie, WA
Mt. Si Relay & Ultra Runs
Apr 29, 2018
Marquette, MI
Marquette Trail 50
Aug 18, 2018
Bear Mountain, NY
North Face Endurance Challenge
May 5, 2018
San Luis Obispo, CA
Slo ULTRA
Sep 1, 2018
Nashville, IN
Dances With Dirt - Gnaw Bone, IN
May 19, 2018
Baraboo, WI
Dances With Dirt Devil's Lake
Jul 14, 2018
Wantagh, NY
Ocean to Sound 50 Mile Relay
Sep 23, 2018
Florahome, FL
Iron Horse Endurance Runs
Feb 9, 2019
Fairbanks, AK
Angel Creek 50 Ultramarathon
Jul 14, 2018
Provo, UT
Squaw Peak 50 Mile Trail Run
Jun 2, 2018
Lake Texoma, TX
Cross Timbers Trail Runs
Feb 17, 2018
Damascus, VA
Iron Mountain 50, 30, 16 Mile Trail Run
Sep 1, 2018
Pittsfield, MA
Free to Run Trail Races
Sep 15, 2018
Montana City, MT
HURL Elkhorn 50M/50K Ultramarathons, 23K Trail Run
Aug 4, 2018
Willard, MO
Frisco Railroad Run
Apr 28, 2018
Sterling, IL
Hennepin Hundred
Oct 6, 2018
Wichita, KS
UrbanICT
Jul 27, 2018
Big Bear Lake, CA
Kodiak Ultra Marathon
Aug 17, 2018
Ellerbe, NC
Bethel Hill Moonlight Boogie
Jun 9, 2018
Washington, DC
North Face Endurance Challenge
Apr 28, 2018
Alexander City, AL
Lake Martin 100
Mar 17, 2018
Manhattan, KS
Flint Hills 50 & Marathon
Apr 21, 2018
Dalton, GA
Georgia Jewel
Sep 22, 2018
Waynesville, OH
Dawg Gone Long Run 50K/50M Trail Race
Jun 30, 2018
Abingdon, VA
Yeti 100 Mile Endurance Run
Sep 28, 2018
Maplewood, NJ
Febapple Frozen Fifty Run
Feb 17, 2018
Boalsburg, PA
Tussey Mountainback 50 Mile Relay and Ultra
Oct 7, 2018
St. George, UT
Lake to Lake Relay
Mar 2, 2019
Rockaway, NJ
Wildcat Ridge Romp Trail Races
Aug 11, 2018
New Paltz, NY
Rock The Ridge
May 19, 2018
Alcoa, TN
Pistol Ultra Run
Mar 16, 2019
Leesport, PA
Naked Prussian
Mar 31, 2018
Lake Elsinore, CA
Old Goat 50 Mile Trail Race
Mar 31, 2018
Colorado Springs, CO
Pikes Peak Ultra
Jul 28, 2018
East Peoria, IL
Farmdale Trail Run
Oct 6, 2018
San Jose, CA
Calero Run
Jun 2, 2018
Raleigh, NC
Umstead 100 Mile Endurance Run
Apr 6, 2019
Lake City, CO
San Juan Solstice 50 Mile
Jun 23, 2018
Brownsville, VT
Vermont 50 Ultra Run
Sep 30, 2018
Lake Tahoe, NV
Tahoe Rim Trail Endurance Runs
Jul 21, 2018
Philadelphia, PA
Dirty German Endurance Fest
May 12, 2018
Rocky Point, NY
Tesla Hertz Run
Oct 6, 2018
Franklinton, LA
Q50 Races Trails Extravaganza - Day 2
Feb 18, 2018
College Station, TX
Green Ultra at Millican
Mar 17, 2018
Wilmington, NC
Southern Tour Ultra
Jan 19, 2019
Richland, WA
Badger Mountain Challenge
Mar 30, 2018
Grand Junction, CO
Grand Mesa Ultras
Jul 28, 2018
Hector, NY
Finger Lakes 50s
Jun 30, 2018
Lawrence, KS
Hawk Hundred
Sep 8, 2018
Syracuse, UT
Antelope Island Buffalo Run
Mar 24, 2018
Henderson, NV
Trail Trashed
Mar 9, 2019
Canandaigua, NY
Can Lake 50 Ultra
Oct 13, 2018
Springfield, MO
Ozark 50 Fit Challenge
May 5, 2018
Steamboat Springs, CO
Run Rabbit Run - 50M Trail Run
Sep 15, 2018
Traverse City, MI
Lighthouse 100
Jun 2, 2018
Mountain View, AR
Three Days of Syllamo Stage Race
Mar 16, 2018
Buena Vista, CO
Collegiate Peaks Trail Run
May 5, 2018
Pittsfield, VT
Peak Bloodroot Ultra - 50M, 30M, 15M
May 5, 2018
Rodeo Beach, CA
Headlands Hundred
Sep 1, 2018
Libertyville, IL
Des Plaines River Trail Races
Oct 13, 2018
Los Gatos, CA
Sierra Azul Challenge Run
Apr 28, 2018
Jupiter, FL
Dunes 100
Mar 3, 2018
Willoughby Hills, OH
Burning River 100 Mile Endurance Run
Jul 28, 2018
Key West, FL
KEYS100
May 19, 2018
Biloxi, MS
Badlands Mississippi Ultra
Apr 20, 2019
Lake Hughes, CA
Leona Divide 50K/50M
Apr 14, 2018
Decatur, TX
Grasslands Trail Runs
Mar 17, 2018
Cleburne, TX
Coyote Run
Apr 21, 2018
Brooksville, FL
Croom Fools Run
Mar 31, 2018
Marquette, KS
Rockin K Trail Runs
Apr 7, 2018
Pittsburgh, PA
Hell Hath No Hurry
Jun 30, 2018
Destin, FL
Destin Beach Ultra Runs
Feb 17, 2019
Laurel, MS
Mississippi 50 Trail Run
Mar 2, 2019
Pinckney, MI
Run Woodstock - Day 2
Sep 8, 2018
Tucson, AZ
AZT Oracle Rumble
Jan 26, 2019
San Francisco, CA
Ruth Anderson Memorial Endurance Run
Apr 21, 2018
Alexandria, LA
Wild Azalea Trail Challenge
Jan 6, 2018
Avalon, CA
Avalon 50K/50M Benefit Run
Jan 19, 2019
Las Vegas, NV
Jackpot Ultra Running Festival
Feb 17, 2018
Running with the Devil
Jun 23, 2018
Labor of Love Races
Mar 23, 2019
Lone Pine, CA
Wild Wild West Marathon & Ultras
May 5, 2018
Littleton, CO
Chatfield Ultra Racing Events (C.U.R.E.)
Apr 29, 2017
New Preston, CT
Jack Bristol Lake Waramaug Ultra Races
Apr 29, 2018
La Grange, WI
Ice Age Trail Run
May 12, 2018
Clifton, VA
Bull Run Run 50 Mile
Apr 13, 2019
Brookville, PA
Baker Trail UltraChallenge
Aug 25, 2018
Washington, CT
NYARA Trail Series - Steep Rock
Aug 4, 2018
San Antonio, TX
I Ran Marathons - Valentine Series - Heart
Feb 16, 2019
I Ran Marathons - Eight Anniversary
Mar 2, 2019
Crystal Mountain, WA
White River 50 Mile Trail Run
Jul 28, 2018
Smithville, TX
Hells Hills
Apr 7, 2018
San Diego, CA
PCT 50
May 19, 2018
Albany, GA
Chehaw Challenge Trail Run
Jan 27, 2018
Waddell, AZ
Mesquite Canyon Trail Runs
Mar 17, 2018
Sturgeon Bay, WI
Ahnapee 50 Summer Solstice Run
Jun 23, 2018
Los Alamos, NM
Jemez Mountain Trail Runs
May 19, 2018
Hell, MI
Dances With Dirt - Hell
Sep 22, 2018
Grand Rivers, KY
Land Between the Lakes Trail Runs
Mar 9, 2019
Little Rock, AR
Ouachita Trail 50M and 50K
Apr 21, 2018
Orlando, FL
Masters of All Terrain: 50K and 50M
Jan 13, 2018
Timothy Lake, OR
Mt. Hood 50M
Jul 14, 2018
Leadville, CO
Leadville Silver Rush 50M Trail Run Race
Jul 8, 2018
Pocatello, ID
Scout Mountain Ultra Trail
Jun 2, 2018
New Gloucester, ME
Pineland Farms Trail Running Festival - Day Two
May 27, 2018
Loudonville, OH
Mohican 100 Mile, 50 Mile and Marathon Runs
Jun 16, 2018
Castro Valley, CA
Dick Collins Firetrails 50
Oct 6, 2018
Ithaca, NY
Cayuga Trails 50
Jul 21, 2018
Sonoita, AZ
Old Pueblo 50 Mile Endurance Run
Mar 2, 2019
Pelham, AL
Blood Rock 100 and 50
Sep 29, 2018
Fairplay, CO
Sheep Mountain 50 Mile
Aug 4, 2018
Pagosa Springs, CO
Devil Mountain Ultra Trail Race
Aug 25, 2018
Portersville, PA
Glacier Ridge Trail Ultra
May 12, 2018
Wendover, UT
Salt Flats Endurance Runs
May 3, 2019
Morehead, KY
Big Turtle 50 Miler
Apr 21, 2018
Rosendale, NY
Shawangunk Ridge Trail Run
Sep 15, 2018
Pine, CO
North Fork 50M/50K
Jun 2, 2018
Sterling, VA
North Face Endurance Challenge
Apr 28, 2018
Clewiston, FL
Skydive Ultra Florida
Jan 26, 2019
Blue Ridge, GA
Cruel Jewel 50M
May 19, 2018
Cannon Beach, OR
Gorgeous Coast Relay
Oct 6, 2018
Sturgis, SD
Black Hills 100
Jun 22, 2018
Lakewood, CO
Bear Chase Race - 100K/50M/50K
Sep 29, 2018
Lanesboro, PA
Viaduct Trail Ultramarathon
Jul 28, 2018
Fontana Dam, NC
Fontandango
Mar 3, 2018
Circleville, OH
Yo Mommas Old School
Sep 30, 2017
Rocksprings, TX
J & J Race and Trail Running Reunion
Sep 28, 2018
Erick, OK
Do-Wacka-Do Trail Runs
Sep 9, 2017
Palmer Lake, CO
Kickers For Kids Fun Run
Jul 21, 2018
Ashburnham, MA
Wapack and Back Trail Races
May 12, 2018
Milton, FL
Bear Bait Ultras
Jan 19, 2019
Burns, TN
Mo' Bell
Aug 4, 2018
Escondido, CA
San Diego 50 and Trail Marathon
Jan 13, 2018
Waxahachie, TX
Hachie 50
May 4, 2019
Needville, TX
Brazos Bend 50
Apr 7, 2018
Wellston, MI
North Country Trail Run
Aug 25, 2018
Amelia Island, FL
Fort Clinch 100
Mar 24, 2018
Twin Bridges, CA
Echo Summit Trail Challenge
Sep 15, 2018
Bryce Canyon City, UT
Bryce Canyon Ultras
Jun 2, 2018
Lake Camanche, CA
Mokelumne River Trail Runs
Apr 20, 2019
Cordesville, SC
Wambaw Swamp Stomp
May 4, 2019
Big Rapids, MI
Hungerford Trail Races
Sep 29, 2018
Bald Head Island, NC
Badwater Cape Fear
Mar 16, 2019
Claysburg, PA
Lost Turkey Trail Marathon & Ultra
Jul 28, 2018
Copeland, FL
Everglades Ultras
Mar 9, 2019
Theilman, MN
Zumbro 50 Mile & 17 Mile Trail Race
Apr 14, 2018
Medora, ND
Badlands
Aug 11, 2018
Blodgett, OR
Mary's Peak Trail Run
Jun 16, 2018
Parkdale, OR
Wy'east Wonder
Jun 16, 2018
Monument Valley, UT
Monument Valley Ultra
Mar 3, 2018
Bridgewater, CT
NYARA Trail Series - Shepaug Run Raiser
Mar 24, 2018
Canal Fulton, OH
Eagle Up Ultra
Jun 9, 2018
Frater Lake, WA
Kaniksu Ultras
Jun 9, 2018
Pinson, TN
Dream Chaser
Oct 6, 2018
St. Regis, MT
Trail Rail Run
Jun 9, 2018
Ida Grove, IA
Trail of the Dragon 50K/50M
Aug 11, 2018
Hewitt, NJ
NYARA Trail Series - Wawayanda
May 12, 2018
Olga, WA
Orcas Island 50M
May 12, 2018
Angel Fire, NM
Angel Fire Endurance
Jun 16, 2018
Port Gamble, WA
Lumberjack Endurance Runs
Apr 14, 2018
Hardwick, NJ
NJ Ultra Festival
Apr 14, 2018
Lyndhurst, VA
Bel Monte Endurance Races
Mar 10, 2018
Fort Collins, CO
Quad Rock 50
May 12, 2018
Gleason, WI
Underdown Trail Race - 50K/50M
Aug 25, 2018
Mountain Center, CA
Beyond Limits Ultra
Apr 4, 2019
St Stephen, SC
Palmetto Expedition
May 12, 2018
Big Bend National Park, TX
Border to Badlands Ultra
Feb 24, 2018
Blue River, OR
Old Cascadia
Sep 15, 2018
Poland, IN
OPSF50|50
Mar 24, 2018
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City Location
1. Wild Azalea Trail Challenge
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Past DateJan 6, 2018Saturday
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50M, 27M, 13M trail run
Race Website
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Alexandria, LA
Rapides County, LA
2. Masters of All Terrain: 50K and 50M
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Past DateJan 13, 2018Saturday
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50M, 50K run
Race Website
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Orlando, FL
Orange County, FL
3. San Diego 50 and Trail Marathon
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Past DateJan 13, 2018Saturday
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50M, 26.2M trail run
Race Website
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Escondido, CA
San Diego County, CA
4. Avalon 50K/50M Benefit Run
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Jan 19, 2019Saturday
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50M, 50K run
Race Website
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Avalon, CA
Los Angeles County, CA
5. Bear Bait Ultras
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Jan 19, 2019Saturday
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50M, 50K, 25K run
Race Website
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Milton, FL
Santa Rosa County, FL
6. Southern Tour Ultra
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Jan 19, 2019Saturday
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50K, 5M trail run | 50M relay
Race Website
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Wilmington, NC
New Hanover County, NC
7. Arches Ultra
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Jan 26, 2019Saturday
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50M, 50K, 13.1M, 9K trail run
Race Website
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Moab, UT
Grand County, UT
8. AZT Oracle Rumble
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Jan 26, 2019Saturday
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50M, 50K, 13.1M, 10K trail run
Race Website
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Tucson, AZ
Pima County, AZ
9. Skydive Ultra Florida
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Jan 26, 2019Saturday
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100M, 50M, 50K, 26.2M, 13.1M, 10K run
Race Website
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Clewiston, FL
Hendry County, FL
10. Chehaw Challenge Trail Run
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Past DateJan 27, 2018Saturday
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50K, 10M trail run | 50M relay
Race Website
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Albany, GA
Dougherty County, GA
11. Rocky Raccoon 100 Mile Trail Run
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Feb 2, 2019Saturday
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100M, 50M trail run
Race Website
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Huntsville, TX
Walker County, TX
12. Jed Smith Ultra
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Past DateFeb 3, 2018Saturday
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50M, 50K, 30K run
Race Website
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Sacramento, CA
Sacramento County, CA
13. Iron Horse Endurance Runs
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Feb 9, 2019Saturday
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100M, 100K, 50M trail run
Race Website
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Florahome, FL
Putnam County, FL
14. Rocky 50 Miler
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Feb 9, 2019Saturday
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50M trail run
Race Website
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Huntsville, TX
Walker County, TX
15. I Ran Marathons - Valentine Series - Heart
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Feb 16, 2019Saturday
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50M, 50K, 26.2M, 13.1M, 10K, 5K run
Race Website
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San Antonio, TX
Bexar County, TX
16. Cross Timbers Trail Runs
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Past DateFeb 17, 2018Saturday
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50M, 26.2M, 13.1M, 5M trail run | 50M relay
Race Website
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Lake Texoma, TX
Grayson County, TX
17. Destin Beach Ultra Runs
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Feb 17, 2019Sunday
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50M, 50K run | 50M relay
Race Website
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Destin, FL
Okaloosa County, FL
18. Febapple Frozen Fifty Run
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Past DateFeb 17, 2018Saturday
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50M, 50K, 20M, 10M trail run
Race Website
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Maplewood, NJ
Essex County, NJ
19. Jackpot Ultra Running Festival
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Past DateFeb 17, 2018Saturday
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24H, 100M, 12H, 50M, 6H, 26.2M run
Race Website
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Las Vegas, NV
Clark County, NV
20. Q50 Races Trails Extravaganza - Day 2
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Past DateFeb 18, 2018Sunday
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50M, 26.2M, 13.1M trail run
Race Website
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Franklinton, LA
Washington County, LA