537 races
December 2026
50 races
SAT
12
Seth's Fat Ass 50K
ULTRA
Springfield, MA, US
50 km
SAT
12
Q50 Races 20th Anniversary and Santa on Trails 5k
Mandeville, LA, US
5 km
SAT
12
Naughty Hog
ULTRA
Valley View, TX, US
100 km50 km25 km10 km5 km
SAT
12
RunFluent Christmas
New Port Richey, FL, US
21 km6 km
SAT
12
Doomsday
ULTRA
Cool, CA, US
50 km21 km
SAT
12
Tame the Tower Trail Challenge
Lebanon, PA, US
16 km8 km
SAT
12
PIGTAILS RUN
ULTRA
Maple Valley, WA, US
50 km42 km21 km
SAT
12
Texmas Trail Race
ULTRA
Smithville, TX, US
104 km57 km34 km23 km11 km
SAT
12
Bell Ringer Trail Run
ULTRA
Montgomery Bell State Park, TN, US
50 km25 km15 km
SAT
12
Magnolia Magic River Trail Run
ULTRA
Pilot Hill, CA, US
50 km42 km30 km21 km12 km5 km
SAT
12
Saturnalia
Olympia, WA, US
10 km
SAT
12
PhoMo 50k
ULTRA
Phoenix, AZ, US
50 km
SAT
12
Ugly Sweater 5K
Caldwell, ID, US
5 km
SAT
12
MCW The Holmdel Classic
Holmdel, NJ, US
7 km
SAT
12
Blue Canyon Trail Run
Socorro, NM, US
29 km10 km
SAT
12
Q50 Races 20th Anniversary 5k
Mandeville, LA, US
5 km
SAT
12
Mulholland Under the Stars Trail Race
Tarzana, CA, US
10 km5 km
SAT
12
F.I.T.mas Trail Race
Cumberland, RI, US
8 km5 km2 km
SAT
12
The Frosty Buck Trail Race
ULTRA
Glenmont, OH, US
50 km25 km
SAT
12
Holiday Hustle 5K, 10K Livermore
Livermore, CA, US
10 km5 km
SAT
12
Beast of the East 100
ULTRA
Kings Mountain, NC, US
161 km100 km81 km42 km21 km
SAT
12
TUDC Tallahassee Ultra Distance Classic
ULTRA
Tallahassee, FL, US
50 km25 km10 km
SAT
12
Crystal Cove Trail Run
Newport Beach, CA, US
15 km6 km1 km
SUN
13
Lokalz 50 KM
ULTRA
Peoria, IL, US
50 km
SUN
13
Holiday Hootie Hoo
Pine Mountain, GA, US
21 km10 km
FRI
18
Quiet Silence
ULTRA
Lake Mills, WI, US
50 km28 km
SAT
19
Lookout Mountain Trail Race
ULTRA
Lookout Mountain, GA, US
81 km29 km10 km
SAT
19
Woodside Ramble
ULTRA
Redwood City, CA, US
50 km35 km21 km10 km
SAT
19
Holiday Hustle Sacramento 5K, 10K
Sacramento, CA, US
10 km5 km
SAT
19
Otter Creek
Brandenburg, KY, US
42 km26 km13 km
SAT
19
Icicles on the Moon 7 Miler
Lock Haven, PA, US
11 km5 km
SAT
19
Rudolph & Roses
ULTRA
Tyler, TX, US
100 km50 km30 km20 km10 km
SAT
19
Frozen Yeti
Huntsville, AL, US
16 km8 km
SAT
19
River Bluff Trail Runs
ULTRA
St. Joseph, MO, US
50 km25 km10 km
SAT
19
8 Hours of Christmas
ULTRA
Molena, GA, US
50 km
SAT
19
Sleigh It (12hr / 6hr / 4.17 Miler / 12hr Relay)
Lake Wales, FL, US
7 km
SAT
19
Santa's Summit Slam
Estes Park, CO, US
10 km
SAT
19
Magnolia Magic River Trail Run
ULTRA
Pilot Hill, CA, US
50 km42 km30 km21 km12 km5 km
SAT
19
Frosty Forest 5K
Stratford, CT, US
5 km
SAT
19
Pilot Mountain Goat
Pinnacle, NC, US
11 km5 km
SAT
19
Naked Nick
ULTRA
Leesport, PA, US
50 km25 km
SUN
20
Dirty December Trail Run
San Diego, CA, US
42 km21 km10 km
SUN
20
Charleston Itty Bitty 50
ULTRA
Mount Pleasant, SC, US
81 km
THU
24
Placerville's Holiday Jingle & Mingle Run
Placerville, CA, US
21 km15 km10 km5 km
SAT
26
Jupiter Ridge Sand Spur
ULTRA
Jupiter, FL, US
50 km30 km21 km
SAT
26
Going Running….
ULTRA
Kennesaw, GA, US
85 km69 km53 km37 km
SUN
27
Last Supper 100k
ULTRA
Roxbury, NJ, US
100 km
SUN
27
Round the Bay Relay and Ultra
ULTRA
Fort Walton Beach, FL, US
59 km
MON
28
Across the Years
ULTRA
Peoria, AZ, US
322 km161 km100 km42 km
THU
31
Resolution Run
Las Vegas, NV, US
21 km10 km5 km
Ultra marathons
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