2018 Biggest Ultrarunning Races

By finisher count. North American races only.
2019 2018 2017 2016 2015
Finishers Event Winner
762

JFK

Nov 17 / 50 Miles / Boonsboro MD
601

Way Too Cool

Mar 03 / 50 KM / Cool CA
444

Rachel Carson Trail Challenge

Jun 23 / 34 Miles / Pittsburgh PA
437

The North Face Endurance Challenge New York

May 05 / 50 KM / New York NY
421

Run the Rut

Sep 02 / 50 KM / Big Sky MT
421

Tunnel Hill 100

Nov 10 / 50 Miles / Vienna IL
410

Chuckanut 50k

Mar 17 / 50 KM / Fairhaven WA
400

Silver Rush 50

Jul 08 / 50 Miles / Leadville CO
382

American River

Apr 07 / 50 Miles / Folsom CA
379

Leadville Trail

Aug 18 / 100 Miles / Leadville CO
369

Squamish 50

Aug 19 / 50 Miles / Squamish BC
367

Javelina Jundred

Oct 27 / 100 Miles / Fountain Hills AZ
359

Squamish 50

Aug 18 / 50 KM / Squamish BC
358

NYRR NYC (Knickerbocker) 60K

Nov 17 / 60 KM / Manhattan NY
355

Golden Gate Dirty 30

Jun 02 / 50 KM / Black Hawk CO
353

Black Canyon Trail

Feb 17 / 100 KM / Mayer AZ
346

Minnesota Voyageur

Jul 28 / 50 Miles / Carlton MN
337

HAT Trail Run

Mar 24 / 50 KM / Havre de Grace MD
331

The North Face Endurance Challenge Washington DC

Apr 28 / 50 KM / Washington DC DC
326

Cowtown Ultra

Feb 25 / 50 KM / Fort Worth TX
325

Ice Age Trail

May 12 / 50 Miles / La Grange WI
317

Mountain Mist

Jan 27 / 50 KM / Huntsville AL
310

Dead Horse Ultra

Nov 17 / 50 KM / Moab UT
310

Blues Cruise

Oct 07 / 50 KM / Reading PA
299

Western States

Jun 23 / 100 Miles / Squaw Valley CA
292

Lake Sonoma

Apr 14 / 50 Miles / Healdsburg CA
292

Squaw Peak 50 Mile Trail Run

Jun 02 / 50 Miles / Provo UT
291

Ultra Caballo Blanco Copper Canyon Ultra

Mar 04 / 50 Miles / Urique
287

Miwok

May 05 / 100 KM / Stinson Beach CA
280

Quad Dipsea

Nov 24 / 28.4 Miles / Mill Valley CA
279

Zion 100

Apr 20 / 50 KM / Virgin UT
278

The Canyons

Apr 28 / 100 KM / Foresthill CA
277

Vermont 100

Jul 21 / 100 Miles / West Windsor VT
275

Labor Pain

Sep 02 / 12 Hours / Reading PA
272

Promise Land

Apr 28 / 50 KM / Lynchburg VA
270

Hinson Lake 24 Hour Ultra Classic

Sep 29 / 24 Hours / Rockingham NC
268

The North Face Endurance Challenge New York

May 05 / 50 Miles / New York NY
268

Hyner Trail Challenge

Apr 21 / 50 KM / Hyner PA
264

Never Summer 100K

Jul 28 / 100 KM / Gould CO
264

Superior Spring Trail Race

May 19 / 50 KM / Lutsen MN
259

TNF Ultra-Trail Harricana of Canada (UTHC)

Sep 07 / 65 KM / La Malbaie QC
255

Bighorn

Jun 15 / 32 Miles / Dayton WY
253

Afton Trail

Jul 07 / 50 KM / Hastings MN
251

Rio Del Lago

Nov 03 / 100 Miles / Granite Bay CA
248

Bandera

Jan 06 / 100 KM / Bandera TX
247

The North Face Grand Traverse Mountain Run

Sep 01 / 40 Miles / Crested Butte CO
246

Grizzly Ultra

Oct 07 / 50 KM / Canmore AB
244

Sun Mountain

May 19 / 50 KM / Winthrop WA
244

Stone Mill 50M

Nov 17 / 50 Miles / Montgomery Village MD
243

Jemez Mountain

May 19 / 50 KM / Los Alamos NM

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).

Mt. Taylor 50k
  • Sep 28, 2019
  • Grants, NM
50 KM