2020 Biggest ultra running races

By finisher count. North American races only.
Finishers Event Winner
144

Burning River

Aug 22 / 50 Miles / Cuyahoga Falls OH
139

Rim to River 100

Nov 07 / 100 Miles / New River Gorge WV
139

Blue Ridge Ultra

Oct 10 / 50 KM / Blue Ridge GA
138

Dead Horse Ultra

Nov 21 / 50 Miles / Moab UT
137

Ultra-Trail Harricana™ of Canada (UTHC)

Sep 12 / 50 Miles / La Malbaie QC
136

Three Sisters Skyline

Oct 04 / 50 KM / Sisters OR
131

Seneca Greenway Trail Marathon & 50K

Mar 07 / 28 Miles / Gaithersburg MD
131

No Business 100

Oct 16 / 100 Miles / Pickett Archaeology Museum KY
129

Rosaryville Veterans Day 50k

Nov 14 / 50 KM / Upper Marlboro MD
129

Bigfoot 50k

Dec 12 / 50 KM / Lore City OH
128

Ghost Town Trail Challenge

Aug 22 / 50 KM / Blairsville PA
127

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

Feb 08 / 100 KM / Malibu CA
127

Moab 240

Oct 09 / 238 Miles / Moab UT
126

Monument Valley Ultra

Feb 29 / 50 KM / Monument Valley UT
124

Virginia Run for Cancer

Nov 07 / 24 Hours / Hampton VA
123

Logan Peak Trail Run

Jun 20 / 28 Miles / Logan UT
121

Fort Yargo Thrill In The Hills

Feb 15 / 50 KM / Winder GA
121

Hellgate 100k

Dec 12 / 100 KM / Fincastle VA
121

Salem Lakeshore Frosty Fifty

Jan 04 / 50 KM / Winston-Salem NC
121

Mel Williams Memorial Seashore (Seashore Nature Trail)

Dec 19 / 50 KM / Virginia Beach VA
120

Patapsco Valley 50K

Oct 24 / 50 KM / Baltimore MD
116

Pikes Peak Ultra

Jul 25 / 50 KM / Colorado Springs CO
115

Tecumseh Trail Challenge

Oct 24 / 50 KM / Nashville IN
114

Quest for the Crest

Oct 17 / 50 KM / Burnsville NC
113

Sylamore Trail

Feb 15 / 50 KM / Allison AR
110

Grayson Highlands

Sep 20 / 50 KM / Mouth of Wilson VA
109

8 Hour Dream Endurance Race

Jul 18 / 8 Hours / Indianapolis IN
108

Sean O'Brien 50k

Jan 11 / 50 KM / Malibu CA
108

Beaverhead Endurance Runs

Jul 11 / 100 KM / Salmon ID
107

Louisville's Lovin' the Hills

Feb 08 / 50 KM / Louisville KY
107

Twisted Fork

Jun 27 / 64 KM / Park City UT
106

TARCtic Frozen Yeti

Feb 01 / 30 Hours / Westwood MA
105

Hashawha Hills

Feb 29 / 50 KM / Westminster MD
105

Pinhoti

Nov 07 / 100 Miles / Sylacauga AL
104

Kansas Rails-to-Trails Extravaganza

Oct 24 / 50 KM / Ottawa KS
103

Pumpkin Holler Hunnerd

Oct 17 / 50 KM / Tahlequah OK
103

Table Rock Ultras

Sep 19 / 50 KM / Morganton NC
103

Tsali Ultra

Jan 18 / 50 KM / Almond NC
102

South Mountains Marathons

Jan 11 / 50 KM / Connelly Springs NC
102

Psycho Wyco Run Toto Run

Feb 22 / 50 KM / Kansas City KS
102

The Georgia Jewel

Sep 18 / 50 Miles / Dalton GA
101

Long Haul 100

Jan 18 / 100 Miles / Dade City FL
101

The Barkley Fall Classic

Sep 19 / 50 KM / Wartburg TN
101

The Nutcracker 12 hour Endurance Run

Dec 12 / 12 Hours / Dunn NC
100

Tushars Mountain Runs

Aug 01 / 100 KM / Eagle Point Ski Resort UT
100

Foothills Ultra (Conquer the Rock)

Mar 07 / 50 KM / Pickens SC
100

Frozen Gnome

Jan 11 / 50 KM / Crystal Lake IL
97

Mohican

Oct 31 / 50 Miles / Loudonville OH
97

Siuslaw Dunes Trail Run

Mar 07 / 50 KM / Florence OR
97

The Georgia Jewel

Sep 18 / 35 Miles / Dalton GA

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