357 races
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March 2027
25 races
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
SUN
14
The Drift 28 & 13
Pinedale, WY, US
45 km21 km
SUN
14
Lag Bon 10K
Fairfax, CA, US
10 km
THU
18
Dogwood Ultra Marathons
Green Bay, VA, US
16 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
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
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
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
The Rendezvous Goat
ULTRA
Purlear, NC, US
50 km25 km6 km
SAT
20
Miola Madness - Spring Into Daylight Savings
Paola, KS, US
10 km
SAT
20
Rattlesnake Dick
ULTRA
Cool, CA, US
50 km25 km10 km
SAT
20
Chupacabra 50
ULTRA
Quanah, TX, US
81 km54 km20 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
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
Knickerbocker Canyon Trail Run
Auburn, CA, US
35 km21 km10 km5 km
April 2027
25 races
SAT
3
Rockin K
ULTRA
Ellsworth, KS, US
50 km42 km34 km6 km
SAT
3
Prairie Spirit Trail
ULTRA
Ottawa, KS, US
161 km100 km81 km50 km42 km21 km
SAT
3
Rider Rattler 4-Miler & 8-Miler
Montoursville, PA, US
13 km6 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
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
Mudslinger Trail Run
Blodgett, OR, US
21 km
SAT
3
Running with Sasquatch 5k
Soddy Daisy, TN, US
5 km
SAT
3
Cool-Auburn Pub Run
Cool, CA, US
21 km
SAT
3
Panther City Ultra
ULTRA
Fort Worth, TX, US
50 km25 km10 km5 km
SUN
4
Dam Good Run
Morristown, AZ, US
40 km26 km13 km6 km3 km
SUN
4
AZT Vail Scramble
Vail, AZ, US
42 km21 km10 km
MON
5
Hellathon
Rising Fawn, GA, US
7 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
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
Chief Ladiga 100
ULTRA
Jacksonville, AL, US
161 km81 km50 km21 km
SAT
10
Happy Trails Marathon
South Jordan, UT, US
42 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
Zion Ultras
ULTRA
Apple Valley, UT, US
161 km100 km60 km30 km21 km
SAT
10
Point Mugu
Malibu, CA, US
21 km10 km
Ultra marathons
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