2020 Biggest ultra running races

By finisher count. North American races only.
Finishers Event Winner
636

JFK

Nov 21 / 50 Miles / Boonsboro MD
571

Way Too Cool

Mar 07 / 50 KM / Cool CA
541

Black Canyon Ultras

Feb 15 / 100 KM / Mayer AZ
357

Mountain Mist

Jan 25 / 50 KM / Huntsville AL
328

Bandera

Jan 11 / 100 KM / Bandera TX
314

Ultra-Trail Harricana™ of Canada (UTHC)

Sep 12 / 65 KM / La Malbaie QC
310

Salmon Falls 50K

Feb 29 / 50 KM / Pilot Hill CA
310

Mt Mitchell Challenge and Black Mountain Marathon

Feb 29 / 40 Miles / Black Mountain NC
293

Avalon Benefit 50

Jan 11 / 50 KM / Avalon CA
293

Antelope Canyon Ultras

Mar 14 / 55 KM / Page AZ
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
252

Dead Horse Ultra

Nov 21 / 50 KM / Moab UT
250

Rocky Raccoon

Feb 01 / 100 Miles / Huntsville TX
248

Snow Peaks 50 Mile Trail Run (Squaw Peak)

Jun 13 / 50 Miles / Provo UT
236

Black Canyon Ultras

Feb 15 / 60 KM / Mayer AZ
230

Ultra Trail Oso Negro

Jan 25 / 50 KM / Santiago
230

Ultramaraton Baja Trail

Mar 15 / 50 KM / Tijuana
224

StumpJump 50K

Oct 03 / 50 KM / Chattanooga TN
222

Holiday Lake

Feb 15 / 50 KM / Appomattox VA
220

Ultra Caballo Blanco Copper Canyon Ultra

Mar 01 / 50 Miles / Urique
212

Never Summer 100K

Jul 25 / 100 KM / Gould CO
207

Arches Ultra

Jan 25 / 50 KM / Moab UT
207

The Bear 100

Sep 25 / 100 Miles / Logan UT
203

San Diego 50 and Trail Runs

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
188

Wild Duluth Races

Oct 17 / 50 KM / Duluth MN
183

Moab's Red Hot Ultra

Feb 15 / 55 KM / Moab UT
174

McDowell Mountain Frenzy

Dec 05 / 50 KM / Fountain Hills AZ
173

Georgia Sky to Summit

Nov 14 / 50 KM / Dillard GA
170

Mt Cheaha

Feb 29 / 50 KM / Delta AL
168

Rocky 50

Feb 08 / 50 Miles / Huntsville TX
167

Stone Mill 50M

Nov 14 / 50 Miles / Montgomery Village MD
167

Seneca Greenway Trail Marathon & 50K

Mar 07 / 50 KM / Gaithersburg MD
164

The HUFF 50K Trail Run & Relay

Dec 19 / 50 KM / Albion IN
164

Orcas Island 50k

Feb 01 / 50 KM / Orcas Island WA
163

Zion Ultras and Trail Half Marathon

Sep 26 / 50 KM / Virgin UT
160

Javelina Jundred

Oct 31 / 100 Miles / Fountain Hills AZ
160

Grand Traverse Mountain Run

Sep 05 / 40 Miles / Crested Butte CO
159

Pilot Mountain to Hanging Rock Ultra

Oct 10 / 50 KM / Pinnacle NC
158

Rocky 50

Feb 08 / 50 KM / Huntsville TX
156

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

Feb 08 / 50 Miles / Malibu CA
153

Cloudland Canyon

Dec 05 / 50 KM / Rising Fawn GA
152

Speedgoat

Jul 25 / 50 KM / Snowbird Resort UT
148

Labor Pain

Nov 22 / 10 Hours / Reading PA
147

Beaverhead Endurance Runs

Jul 11 / 55 KM / Salmon ID
144

Yeti 100 Mile Endurance Run

Sep 25 / 100 Miles / Abingdon VA

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