361 races
March 2027
3 races
April 2027
47 races
SAT
3
Bull Run Run 50 Miler
ULTRA
Clifton, VA, US
81 km
SAT
3
Rockin K
ULTRA
Ellsworth, KS, US
50 km42 km34 km6 km
SAT
3
El Jefe 100
ULTRA
Superior, AZ, US
161 km
SAT
3
Deja Vu
ULTRA
Las Vegas, NV, US
50 km
SAT
3
Chubb Trail Races
ULTRA
St Louis, MO, US
50 km25 km
SAT
3
Prairie Spirit Trail
ULTRA
Ottawa, KS, US
161 km100 km81 km50 km42 km21 km
SAT
3
Brazos Legend
ULTRA
Waco, TX, US
50 km5 km
SAT
3
Behind the Rocks Ultra
ULTRA
Moab, UT, US
81 km50 km30 km16 km
SAT
3
Croom Fools Run 50M/50K/16M
ULTRA
Brooksville, FL, US
81 km50 km26 km
SAT
3
Incline Vista
ULTRA
Redmond, OR, US
50 km32 km15 km
SAT
3
Oak Mountain 50K
ULTRA
Pelham, AL, US
50 km25 km10 km
SAT
3
Leatherwood Marathons
ULTRA
Ferguson, NC, US
161 km100 km81 km50 km25 km
SAT
3
JW Corbett Trail Races
ULTRA
Loxahatchee, FL, US
81 km50 km29 km
SAT
3
NK50k
ULTRA
Greenbush, WI, US
50 km25 km
SAT
3
Panther City Ultra
ULTRA
Fort Worth, TX, US
50 km25 km10 km5 km
SUN
4
Sleeping Giant Trail Runs
ULTRA
Hamden, CT, US
50 km25 km
THU
8
Potawatomi Trail Runs
ULTRA
Pekin, IL, US
322 km241 km161 km81 km48 km16 km
FRI
9
New River Trail Races
ULTRA
Fries, VA, US
161 km100 km50 km25 km10 km
FRI
9
Ozark Foothills Endurance Runs
ULTRA
Wildwood, MO, US
161 km100 km81 km50 km25 km
SAT
10
Troublesome Hollow 50K
ULTRA
bristol, VA, US
50 km25 km
SAT
10
English's Ridge Rumble
ULTRA
Fayetteville, NY, US
50 km32 km16 km
SAT
10
Camp Croft 50K, 50 Miler, and 100 Miler
ULTRA
Spartanburg, SC, US
161 km81 km50 km16 km
SAT
10
JW Corbett Trail Races
ULTRA
Loxahatchee, FL, US
81 km50 km29 km
SAT
10
Oriflamme
ULTRA
Julian, CA, US
50 km
SAT
10
Chief Ladiga 100
ULTRA
Jacksonville, AL, US
161 km81 km50 km21 km
SAT
10
Lake McMurtry Run
ULTRA
Stillwater, OK, US
50 km25 km12 km5 km
SAT
10
James River Trail Runs
ULTRA
Gladstone, VA, US
81 km50 km16 km
SAT
10
Rim Runner Trail Races
ULTRA
Sewanee, TN, US
81 km50 km21 km
SAT
10
Desert Peak Ultra
ULTRA
Oracle, AZ, US
100 km50 km
SAT
10
Zion Ultras
ULTRA
Apple Valley, UT, US
161 km100 km60 km30 km21 km
SAT
10
Runamuck 50k
ULTRA
South Pomfret, VT, US
50 km
SAT
10
Flint Hills 50 and Marathon
ULTRA
Manhattan, KS, US
81 km42 km
SAT
10
Ancient Lakes Trail Run
ULTRA
Quincy, WA, US
81 km50 km42 km25 km10 km
SAT
10
Knobstone 50
ULTRA
Borden, IN, US
81 km
SAT
10
Gulf Coast Grind
ULTRA
Freeport, TX, US
50 km42 km21 km10 km5 km
SAT
10
Mile 0 Flint Hills Trail Race
ULTRA
Osawatomie, KS, US
50 km32 km16 km
SAT
10
Lake Sonoma 100K, 50K & TS Half
ULTRA
Healdsburg, CA, US
100 km50 km21 km
SUN
11
Peterson Ridge Rumble
ULTRA
Sisters, OR, US
64 km42 km32 km
FRI
16
Gorge Waterfalls
ULTRA
Cascade Locks, OR, US
100 km50 km30 km
FRI
16
Capitan Mountain 34 Hour
ULTRA
Capitan, NM, US
50 km
FRI
16
West Texas Ultra
ULTRA
Fritch, TX, US
81 km50 km25 km10 km
SAT
17
Leona Divide
ULTRA
Lake Hughes, CA, US
161 km100 km81 km50 km30 km
SAT
17
Hyner Trail Challenge
ULTRA
Hyner, PA, US
50 km25 km
SAT
17
Mendocino Coast 50K
ULTRA
Mendocino, CA, US
50 km
SAT
17
Whiskey Basin Trail Runs
ULTRA
Prescott, AZ, US
91 km60 km33 km21 km10 km
SAT
17
Silver Moon Race
ULTRA
Reedley, CA, US
161 km40 km20 km12 km
SAT
17
Uforea
ULTRA
Troy, NC, US
50 km
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