2024 Biggest ultra running races

By finisher count. North American races only.
Finishers Event Winner
90

Sylamore Trail

Feb 17 / 50 KM / Allison AR
90

Griffith Park Trail

Mar 23 / 50 KM / Los Angeles CA
90

Death by 5k Little Rock

Mar 16 / 50 KM / North Little Rock AR
90

Badwater Cape Fear

Mar 23 / 51.4 Miles / Bald Head Island NC
89

Bandera

Jan 13 / 50 KM / Bandera TX
89

Queeny Backyard Ultra

Mar 01 / Backyard / St. Louis MO
88

THE CONQUER

Jan 20 / Backyard / Dawsonville GA
88

Monument Valley Ultra

Mar 02 / 50 KM / Monument Valley UT
87

TARCtic Frozen Yeti

Feb 03 / 30 Hours / Westwood MA
86

The Mid South (Land Run)

Mar 15 / 50 KM / Stillwater OK
81

Land between the Lakes

Mar 09 / 60 KM / Grand Rivers KY
80

In the Woods 30A 50K

Jan 27 / 50 KM / Santa Rosa Beach FL
80

Mid-Maryland Ultra

Jan 06 / 50 KM / Elkridge MD
79

Running the Rose

Jan 27 / 54 KM / Tyler TX
78

San Tan Scramble

Jan 06 / 50 KM / Queen Creek AZ
78

Ruck A Chuck 50k

Mar 16 / 50 KM / Foresthill CA
77

Brazos Bend 100

Jan 06 / 100 KM / Needville TX
77

Big Bend

Jan 14 / 50 KM / Big Bend Ranch State Park TX
77

Badwater Cape Fear

Mar 23 / 50 KM / Bald Head Island NC
76

Southern Tour Ultra

Jan 19 / 50 Miles / Wilmington NC
76

Phunt 50KM Trail Race

Jan 13 / 50 KM / Elkton MD
75

Squatchapple

Mar 09 / 33 Miles / West Orange NJ
75

HURT 100

Jan 13 / 100 Miles / Honolulu HI
74

Uwharrie Mountain Run

Feb 03 / 40 Miles / Ophir NC
73

Louisville's Lovin' the Hills

Feb 03 / 50 KM / Louisville KY
73

Sean O'Brien 100k/50M/50k

Jan 27 / 100 KM / Malibu CA
72

Hone Quarry 40 Miler

Mar 23 / 40 Miles / Dayton VA
72

Behind the Rocks Ultra

Mar 23 / 50 Miles / Moab UT
72

Conquer The Wall Endurance Challenge

Mar 08 / 47 Hours / Williamson WV
71

Frozen Gnome

Jan 06 / 50 KM / Crystal Lake IL
71

Mill Stone 50K

Feb 10 / 50 KM / Fort Mill SC
70

Mesquite Canyon

Mar 09 / 50 KM / Waddell AZ
70

Holly Springs Race Against the Sun

Feb 24 / 12 Hours / Holly Springs NC
68

Delano Park

Mar 02 / 12 Hours / Decatur AL
67

Arches Ultra

Jan 27 / 50 Miles / Moab UT
67

Foothills Ultra (Conquer the Rock)

Mar 02 / 50 KM / Pickens SC
67

Badger Mountain Challenge

Mar 23 / 55 KM / Richland WA
66

NC Fat Ass 50k

Jan 27 / 50 KM / Ellerbee NC
66

Hagg Lake Mud Runs

Feb 17 / 50 KM / Forest Grove OR
66

Long Play (LP) Trail Race

Mar 02 / 33.3 Miles / Ridge Manor FL
65

Old West Trail Runs

Mar 16 / 50 KM / Julian CA
64

Coldwater Rumble

Jan 20 / 60 KM / Goodyear AZ
64

Old Pueblo

Mar 02 / 50 Miles / Sonoita AZ
61

Mississippi Trail 50

Mar 02 / 50 KM / Laurel MS
61

Snow Bird Challenge

Jan 27 / 50 KM / Seneca SC
60

Blackbeard's Revenge

Mar 23 / 100 Miles / Corolla NC
60

Gone Loco

Feb 11 / 33 Miles / Athens TN
60

AZT Oracle Rumble

Jan 27 / 50 KM / Tucson AZ
59

Fort Yargo Thrill In The Hills

Feb 17 / 50 KM / Winder GA
59

Calico Trail Run

Jan 21 / 50 KM / Barstow CA

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).