2021 Biggest Ultrarunning Races

By finisher count. North American races only.
2021 2020 2019 2018
Finishers Event Winner
933

JFK

Nov 20 / 50 Miles / Boonsboro MD
548

Zion 100

Apr 10 / 50 KM / Virgin UT
476

Rachel Carson Trail Challenge

Jun 19 / 34 Miles / Pittsburgh PA
455

Dead Horse Ultra

Nov 20 / 50 KM / Moab UT
412

Rut Mountain Runs

Sep 05 / 50 KM / Big Sky MT
403

Mountain Mist

Jan 23 / 50 KM / Huntsville AL
402

Silver Rush 50

Jul 11 / 50 Miles / Leadville CO
368

Tunnel Hill 100

Nov 13 / 50 Miles / Vienna IL
366

Golden Gate Dirty 30

Jun 12 / 50 KM / Black Hawk CO
364

Black Canyon Ultras

Feb 14 / 100 KM / Mayer AZ
348

QMT - Quebec Mega Trail

Aug 14 / 52 KM / Beaupré QC
331

Ultra-Trail Harricana™ of Canada (UTHC)

Sep 11 / 65 KM / La Malbaie QC
325

Bryce Canyon 100

May 29 / 50 KM / Bryce Canyon UT
322

Leadville Trail

Aug 21 / 100 Miles / Leadville CO
320

Squamish 50

Oct 16 / 50 KM / Squamish BC
303

Diez Vista

Oct 24 / 50 KM / Port Moody BC
302

Promise Land

Apr 24 / 50 KM / Lynchburg VA
300

Golden Gate Trail Classic

Nov 20 / 50 KM / San Francisco CA
293

Bandera

Jan 09 / 100 KM / Bandera TX
292

Javelina Jundred

Oct 30 / 100 Miles / Fountain Hills AZ
278

Rock the Ridge

Sep 25 / 50 Miles / New Paltz NY
276

Broken Arrow Skyrace

Oct 01 / 48 KM / Squaw Valley CA
265

Squaw Peak 50 Mile Trail Run

Jun 12 / 50 Miles / Provo UT
256

Blues Cruise

Oct 03 / 50 KM / Reading PA
252

Rocky Raccoon

Feb 06 / 100 Miles / Huntsville TX
252

McDonald Forest

May 08 / 50 KM / Corvallis OR
251

Hinson Lake 24 Hour Ultra Classic

Sep 25 / 24 Hours / Rockingham NC
250

Rio Del Lago

Nov 06 / 100 Miles / Granite Bay CA
247

The Canyons

Apr 24 / 100 KM / Foresthill CA
244

Bryce Canyon 100

May 29 / 60 KM / Bryce Canyon UT
243

Bryce Canyon 100

May 29 / 50 Miles / Bryce Canyon UT
238

Wild Duluth Races

Oct 16 / 50 KM / Duluth MN
237

Desert Rats Trail Running Festival

Apr 17 / 50 KM / Fruita CO
236

The North Face Grand Traverse Mountain Run

Sep 04 / 40 Miles / Crested Butte CO
231

Bighorn

Jun 19 / 32 Miles / Dayton WY
229

Grizzly Ultra

Oct 10 / 50 KM / Canmore AB
227

Speedgoat

Jul 24 / 50 KM / Snowbird Resort UT
220

Stone Mill 50M

Nov 13 / 50 Miles / Montgomery Village MD
219

Dirty German Endurance Fest

May 08 / 50 KM / Philadelphia PA
218

Grayson Highlands 50k

May 01 / 50 KM / Mouth of Wilson VA
217

Zion 100

Apr 10 / 100 KM / Virgin UT
214

Hyner Trail Challenge

Apr 24 / 50 KM / Hyner PA
213

Dam Yeti 50

Jun 05 / 50 KM / Damascus VA
213

Tunnel Hill 100

Nov 13 / 100 Miles / Vienna IL
212

Mt Cheaha

Feb 27 / 50 KM / Delta AL
212

Behind the Rocks Ultra

Mar 27 / 50 KM / Moab UT
209

Black Canyon Ultras

Feb 13 / 60 KM / Mayer AZ
209

Smith Rock Ascent

May 15 / 50 KM / Terrebonne OR
209

Dead Horse Ultra

Nov 20 / 50 Miles / Moab UT
208

Western States

Jun 26 / 100 Miles / Olympic Valley 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).

Ultra-Trail Harricana™ of Canada (UTHC)

  • Sep 10, 2022
  • La Malbaie, QC
65 KM 50 Miles 125 KM