2020 Biggest Ultrarunning Races

By finisher count. North American races only.
2020 2019 2018 2017
Finishers Event Winner
85

Croom Zoom

Jan 04 / 50 KM / Brooksville FL
85

Capitol Peak Mega Fat Ass

Jan 18 / 34 Miles / Olympia WA
84

Bel Monte

Mar 14 / 50 KM / Waynesboro VA
83

Mesquite Canyon

Mar 07 / 50 KM / Waddell AZ
83

The Ranch 50k

Feb 22 / 50 KM / Escondido CA
82

Hagg Lake

Feb 15 / 50 KM / Forest Grove OR
82

Harbison 50K

Jan 04 / 50 KM / Columbia SC
81

Southern Tour Ultra

Jan 18 / 50 KM / Wilmington NC
80

John Dick Memorial 50K

Feb 01 / 50 KM / Dousman WI
79

Wilson Creek Frozen 50K

Jan 18 / 50 KM / Melba ID
78

Conquer The Wall Endurance Challenge - 47HR & 35HR

Mar 06 / 47 Hours / Williamson WV
77

Calico Trail Run

Jan 26 / 50 KM / Barstow CA
76

Fort Ord Trail Run

Feb 01 / 50 KM / Monterey CA
76

Mid-Maryland Ultra

Feb 15 / 50 KM / Elkridge MD
76

Coldwater Rumble

Jan 18 / 52 KM / Goodyear AZ
76

Jackpot Ultra Running Festival

Feb 14 / 48 Hours / Las Vegas NV
75

Peyton's Wild and Wacky Ultra 10x5K

Mar 14 / 50 KM / Mount Pleasant SC
73

Uwharrie Mountain Run

Feb 01 / 40 Miles / Ophir NC
71

Atlanta Fat Ass 50K

Jan 05 / 50 KM / Lithia Springs GA
71

Carl Touchstone Memorial Mississippi Trail 50

Mar 07 / 50 KM / Laurel MS
71

Yankee Springs Winter Challenge

Jan 04 / 50 KM / Middleville MI
71

Mt Umunhum Trail Run

Feb 22 / 52 KM / San Jose CA
70

Rocky Raccoon

Feb 01 / 100 KM / Huntsville TX
69

Long Play Race

Mar 07 / 33.3 Miles / Brooksville FL
67

San Tan Scramble

Jan 04 / 50 KM / Queen Creek AZ
67

Land between the Lakes

Mar 14 / 60 KM / Grand Rivers KY
67

Chattanooga 50 mile & 100 mile

Mar 06 / 100 Miles / Rising Fawn GA
67

Pemberton Trail

Feb 08 / 50 KM / Fountain Hills AZ
67

Pioneer Spirit 50

Mar 14 / 50 Miles / Folsom CA
67

Mill Stone 50K

Mar 07 / 50 KM / Fort Mill SC
64

Red Mountain

Mar 07 / 55 KM / St George UT
64

Red Dirt Ultra

Feb 29 / 50 KM / Provencal LA
63

Everglades Ultras

Mar 14 / 50 KM / Copeland FL
63

HURT 100

Jan 18 / 100 Miles / Honolulu HI
63

White Rock Classic

Feb 01 / 50 KM / Cass AR
61

Frozen Sasquatch Trail Race

Jan 04 / 50 KM / Charleston WV
60

Jed Smith

Feb 01 / 50 KM / Sacramento CA
60

MC Broken Ankle

Feb 08 / 12 Hours / Gastonia NC
60

David's Trail Endurance Run

Jan 18 / 50 KM / Mountain Home AR
59

Ouachita Switchbacks

Jan 18 / 50 KM / Big Cedar OK
58

Prickly Pear

Mar 07 / 50 KM / San Antonio TX
57

NC Fat Ass 50k

Jan 25 / 50 KM / Ellerbee NC
56

Elephant Mountain

Feb 01 / 50 KM / Cave Creek AZ
55

Wild Azalea Trail Challenge

Jan 04 / 27 Miles / Alexandria LA
54

Waterfall 50k

Jan 19 / 50 KM / New Market VA
54

Rocks and Roots Trail Series #1

Jan 12 / 50 KM / Alum Creek State Park OH
54

Big Bend

Jan 19 / 50 KM / Big Bend Nat'l Park TX
53

Fragrance Lake

Feb 29 / 50 KM / Bellingham WA
53

Chabot/Redtail - Inside Trail

Feb 22 / 50 KM / Castro Valley CA
52

Bridle Trails Winter Trail Running Festival

Jan 11 / 50 KM / Bellevue WA

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).

Backcountry Rise Trail Run
  • Aug 29, 2020
  • Toutle, WA
50 KM