2020 Biggest Ultrarunning Races

By finisher count. North American races only.
2020 2019 2018 2017
Finishers Event Winner
571

Way Too Cool

Mar 07 / 50 KM / Cool CA
541

Black Canyon Trail

Feb 15 / 100 KM / Mayer AZ
357

Mountain Mist

Jan 25 / 50 KM / Huntsville AL
328

Bandera

Jan 11 / 100 KM / Bandera TX
310

Salmon Falls 50K

Feb 29 / 50 KM / Pilot Hill CA
293

Antelope Canyon Ultras

Mar 14 / 55 KM / Page AZ
293

Avalon Benefit 50

Jan 11 / 50 KM / Avalon CA
276

Cowtown Ultra

Mar 01 / 50 KM / Fort Worth TX
267

Antelope Canyon Ultras

Mar 14 / 50 Miles / Page AZ
252

The Algonquin 50K

Feb 08 / 50 KM / Pocomoke City MD
250

Rocky Raccoon

Feb 01 / 100 Miles / Huntsville TX
248

Squaw Peak 50 Mile Trail Run

Jun 13 / 50 Miles / Provo UT
236

Black Canyon Trail

Feb 15 / 60 KM / Mayer AZ
222

Holiday Lake

Feb 15 / 50 KM / Appomattox VA
212

Never Summer 100K

Jul 25 / 100 KM / Gould CO
207

Arches Ultra

Jan 25 / 50 KM / Moab UT
203

San Diego 50 and Trail Marathon

Jan 18 / 50 Miles / Escondido CA
203

Avalon Benefit 50

Jan 11 / 50 Miles / Avalon CA
200

FOURmidable

Feb 15 / 50 KM / Cool CA
192

Bandera

Jan 11 / 50 KM / Bandera TX
183

Moab Red Hot 55k/33k

Feb 15 / 55 KM / Moab UT
170

Mt Cheaha

Feb 29 / 50 KM / Delta AL
168

Rocky 50

Feb 08 / 50 Miles / Huntsville TX
167

Seneca Greenway Trail Marathon & 50K

Mar 07 / 50 KM / Gaithersburg MD
164

Orcas Island 50k

Feb 01 / 50 KM / Orcas Island WA
160

The North Face Grand Traverse Mountain Run

Sep 05 / 40 Miles / Crested Butte CO
158

Rocky 50

Feb 08 / 50 KM / Huntsville TX
156

Sean O'Brien 100k/50M

Feb 08 / 50 Miles / Malibu CA
152

Speedgoat

Jul 25 / 50 KM / Snowbird Resort UT
147

Beaverhead Endurance Runs

Jul 11 / 55 KM / Salmon ID
131

Seneca Greenway Trail Marathon & 50K

Mar 07 / 28 Miles / Gaithersburg MD
128

Burning River

Aug 22 / 50 Miles / Willoughby Hills OH
128

Ghost Town Trail Challenge

Aug 22 / 50 KM / Blairsville PA
127

Sean O'Brien 100k/50M

Feb 08 / 100 KM / Malibu CA
126

Monument Valley Ultra

Feb 29 / 50 KM / Monument Valley UT
123

Logan Peak Trail Run

Jun 20 / 28 Miles / Logan UT
121

Salem Lakeshore Frosty Fifty

Jan 04 / 50 KM / Winston-Salem NC
121

Georgia Thrill In The Hills 50K

Feb 15 / 50 KM / Winder GA
116

Pikes Peak Ultra

Jul 25 / 50 KM / Colorado Springs CO
113

Sylamore Trail

Feb 15 / 50 KM / Allison AR
109

8 Hour Dream Endurance Race & Marathon

Jul 18 / 8 Hours / Indianapolis IN
108

Beaverhead Endurance Runs

Jul 11 / 100 KM / Salmon ID
108

Sean O'Brien 50k

Jan 11 / 50 KM / Malibu CA
107

Twisted Fork

Jun 27 / 64 KM / Park City UT
107

Louisville's Lovin' the Hills

Feb 08 / 50 KM / Louisville KY
106

TARCtic Frozen Yeti Trail Races

Feb 01 / 30 Hours / Westwood MA
105

Hashawha Hills

Feb 29 / 50 KM / Westminster MD
103

Tsali Frosty Foot

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

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).

Lake Murray Endurance Run
  • Oct 24, 2020
  • Ardmore, OK
50 KM 100 KM 100 Miles