2021 Biggest Ultrarunning Races

By finisher count. North American races only.
2020 2019 2018 2017
Finishers Event Winner
402

Mountain Mist

Jan 23 / 50 KM / Huntsville AL
362

Black Canyon Trail

Feb 14 / 100 KM / Mayer AZ
293

Bandera

Jan 09 / 100 KM / Bandera TX
252

Rocky Raccoon

Feb 06 / 100 Miles / Huntsville TX
209

Black Canyon Trail

Feb 13 / 60 KM / Mayer AZ
150

Rocky 50

Feb 13 / 50 KM / Huntsville TX
140

The Algonquin 50K

Feb 13 / 50 KM / Pocomoke City MD
133

Bandera

Jan 10 / 50 KM / Bandera TX
125

Moab Red Hot 55k/33k

Feb 13 / 55 KM / Moab UT
117

Holiday Lake

Feb 13 / 50 KM / Appomattox VA
114

Rocky 50

Feb 13 / 50 Miles / Huntsville TX
107

Naked Nick

Jan 31 / 50 KM / Leesport PA
105

Coldwater Rumble

Jan 16 / 52 KM / Goodyear AZ
102

Bandera

Jan 09 / 50 KM / Bandera TX
101

Arches Ultra

Jan 30 / 50 KM / Moab UT
99

Rocky Raccoon

Feb 06 / 100 KM / Huntsville TX
96

Long Haul 100

Jan 16 / 100 Miles / Wesley Chapel FL
95

Mill Stone 50K

Feb 06 / 50 KM / Fort Mill SC
93

Georgia Thrill In The Hills 50K

Feb 13 / 50 KM / Winder GA
88

Running the Rose

Jan 23 / 54 KM / Tyler TX
83

Hellcat 50km Endurance Run

Jan 23 / 50 KM / Green Cove Springs FL
78

Pemberton Trail

Feb 13 / 50 KM / Fountain Hills AZ
76

South Mountains Marathons

Jan 30 / 50 KM / Connelly Springs NC
73

Elephant Mountain

Feb 06 / 50 KM / Cave Creek AZ
72

Harbison 50K

Jan 09 / 50 KM / Columbia SC
68

ICY-8

Feb 06 / 8 Hours / Lake Anna State Park VA
67

Forgotten Florida 45 Mile / 15 Mile

Feb 06 / 45 Miles / Christmas FL
64

San Tan Scramble

Jan 02 / 50 KM / Queen Creek AZ
59

Arches Ultra

Jan 30 / 50 Miles / Moab UT
56

NC Fat Ass 50k

Jan 30 / 50 KM / Ellerbee NC
54

Elephant Mountain

Feb 06 / 50 Miles / Cave Creek AZ
53

Uwharrie Mountain Run

Feb 06 / 40 Miles / Ophir NC
52

David's Trail Endurance Run

Jan 23 / 50 KM / Mountain Home AR
52

Coldwater Rumble

Jan 16 / 52 Miles / Goodyear AZ
52

Eagle Ridge

Feb 13 / 50 KM / Guntersville AL
48

Coldwater Rumble

Jan 16 / 100 Miles / Goodyear AZ
48

The Great Scorpion Trail Run

Jan 09 / 50 KM / Meridian MS
45

Ouachita Switchbacks

Jan 16 / 50 KM / Big Cedar OK
45

Resolution Run

Jan 02 / 12 Hours / Traveler's Rest SC
44

Elder Creek Trail Runs 30k/50k

Feb 06 / 50 KM / Anza CA
43

John Dick Memorial 50K

Feb 06 / 50 KM / Dousman WI
42

Wild Azalea Trail Challenge

Jan 02 / 27 Miles / Alexandria LA
39

Go Short, Go Long, Go Very Long

Jan 23 / 50 KM / Tulsa OK
36

Bear Bait Ultras

Jan 16 / 50 KM / Milton FL
36

Whispering Pines

Feb 14 / 12 Hours / Inverness FL
35

Running the Rose

Jan 23 / 108 KM / Tyler TX
34

Stories Ultra

Feb 06 / 15 Hours / Colorado Springs CO
33

Chehaw Challenge

Jan 30 / 50 KM / Albany GA
32

Retreat Repeat

Jan 02 / 8 Hours / Shulerville SC
30

King's Highway Trail Race

Feb 13 / 50 KM / Georgetown SC

The results database is the property of UltraRunning Magazine. Use of the information and data is allowed and encouraged, however when it is shared or published attribution is required, as follows: Source UltraRunning Magazine (and if online, a link to UltraRunning.com).

Sangre de Cristo Ultras

  • Sep 25, 2021
  • Westcliffe, CO
50 KM 50 Miles 100 KM 100 Miles 200 Miles