537 races
March 2027
46 races
SAT
13
GR-8H Trail Race
Ormond Beach, FL, US
5 km
SAT
13
The Cove
ULTRA
Chickamauga, GA, US
50 km30 km10 km
SAT
13
The Quest! Adventure Run
Auburn, CA, US
19 km10 km
SAT
13
Rainbow: A Western NC Mountain Run
Montreat, NC, US
19 km13 km6 km
SAT
13
Nine Trails 35 Mile Endurance Run
ULTRA
Santa Barbara, CA, US
56 km27 km
SUN
14
The Drift 28 & 13
Pinedale, WY, US
45 km21 km
SUN
14
Lag Bon 10K
Fairfax, CA, US
10 km
WED
17
Southern States 200
ULTRA
Delta, AL, US
322 km161 km
THU
18
Dogwood Ultra Marathons
Green Bay, VA, US
16 km
FRI
19
Viper 100
ULTRA
Cordova, TN, US
161 km107 km53 km25 km
FRI
19
The Big Alta
ULTRA
Marinwood, CA, US
100 km50 km28 km
FRI
19
Three Days of Syllamo
ULTRA
Fifty-Six, AR, US
151 km81 km50 km20 km
FRI
19
Warbird 100
ULTRA
Hyden, KY, US
50 km21 km
SAT
20
Bel Monte Endurance Races
ULTRA
Lyndhurst, VA, US
81 km50 km25 km
SAT
20
Angeles Crest 100K
ULTRA
Altadena, CA, US
100 km42 km
SAT
20
St. Patrick's Spring Fling Trail Run
Monroe, OR, US
21 km10 km5 km
SAT
20
Purple Run
Las Vegas, NV, US
21 km10 km5 km
SAT
20
American Bottoms
ULTRA
Columbia, IL, US
182 km90 km
SAT
20
Angeles Forest 100K
ULTRA
Altadena, CA, US
100 km42 km
SAT
20
Canyonlands Half Marathon and 5 Mile
Moab, UT, US
21 km8 km
SAT
20
OPSF5050
ULTRA
Poland, IN, US
50 km23 km10 km
SAT
20
Dash Point
Federal Way, WA, US
21 km10 km
SAT
20
The MT. TAMMANY 10
ULTRA
Delaware Water Gap, NJ, US
64 km
SAT
20
Grasslands Trail Run
ULTRA
Alvord, TX, US
161 km81 km42 km21 km15 km
SAT
20
The Bootlegger 100 Mile Trail Race
ULTRA
Flovilla, GA, US
161 km81 km20 km
SAT
20
Cow Ford 100 / 50 Miler
ULTRA
JACKSONVILLE, FL, US
161 km81 km
SAT
20
The Rendezvous Goat
ULTRA
Purlear, NC, US
50 km25 km6 km
SAT
20
Mount Mitchell Heartbreaker
ULTRA
Old Fort, NC, US
81 km
SAT
20
Miola Madness - Spring Into Daylight Savings
Paola, KS, US
10 km
SAT
20
Get Lucky 50/50
ULTRA
Canal Fulton, OH, US
81 km50 km25 km
SAT
20
Rattlesnake Dick
ULTRA
Cool, CA, US
50 km25 km10 km
SAT
20
Crown King Scramble
ULTRA
Phoenix, AZ, US
50 km
SAT
20
Chupacabra 50
ULTRA
Quanah, TX, US
81 km54 km20 km
SUN
21
Terror of Tammany!
ULTRA
Columbia, NJ, US
50 km30 km
MON
22
Canebrake 200 Miler and 100 Miler
ULTRA
Atlanta, GA, US
322 km161 km
SAT
27
The Piasa
ULTRA
Grafton, IL, US
50 km25 km13 km
SAT
27
Great Shasta Rail Trail
ULTRA
McCloud, CA, US
50 km30 km10 km
SAT
27
Clinton Lake Ultra
ULTRA
DeWitt, IL, US
48 km16 km
SAT
27
The Great 30A Easter Race
Santa Rosa Beach, FL, US
10 km5 km
SAT
27
The Georgia Death Race
ULTRA
Blairsville, GA, US
119 km
SAT
27
Tranquility Trail Run
Pelham, AL, US
10 km5 km
SAT
27
Wolf Creek Trail Run
Poplar Bluff, MO, US
21 km6 km3 km
SAT
27
Savage Gulf Marathon
Coalmont, TN, US
42 km25 km
SAT
27
The Margonaut
ULTRA
Prescott, AZ, US
50 km
SAT
27
Knickerbocker Canyon Trail Run
Auburn, CA, US
35 km21 km10 km5 km
MON
29
Arizona Monster 300
ULTRA
Superior, AZ, US
483 km
April 2027
4 races
Ultra marathons
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