2015 Biggest Ultrarunning Races

By finisher count. North American races only.
2019 2018 2017 2016 2015
Finishers Event Winner
978

Way Too Cool

Mar 07 / 50 KM / Cool CA
825

JFK

Nov 21 / 50 Miles / Boonsboro MD
631

American River

Apr 04 / 50 Miles / Folsom CA
501

The North Face Endurance Challenge California

Dec 05 / 50 KM / Marin CA
479

The North Face Endurance Challenge California

Dec 05 / 50 Miles / Marin CA
464

The North Face Endurance Challenge New York

May 03 / 50 KM / New York NY
396

The North Face Endurance Challenge Washington DC

Apr 18 / 50 KM / Washington DC DC
387

Golden Gate Dirty 30

May 30 / 50 KM / Black Hawk CO
378

The HUFF 50K Trail Run & Relay

Dec 19 / 50 KM / Albion IN
375

Rachel Carson Trail Challenge

Jun 20 / 34 Miles / Pittsburgh PA
355

Silver Rush 50

Jul 12 / 50 Miles / Leadville CO
351

NYRR NYC (Knickerbocker) 60K

Nov 14 / 60 KM / Manhattan NY
329

Chuckanut 50k

Mar 21 / 50 KM / Fairhaven WA
325

Mountain Mist

Jan 24 / 50 KM / Huntsville AL
315

Run the Rut

Sep 05 / 50 KM / Big Sky MT
313

Leadville Trail

Aug 22 / 100 Miles / Leadville CO
312

Hinson Lake 24 Hour Ultra Classic

Sep 26 / 24 Hours / Rockingham NC
311

Promise Land

Apr 25 / 50 KM / Lynchburg VA
308

Miwok

May 02 / 100 KM / Stinson Beach CA
306

Howl at the Moon 8 Hour

Aug 08 / 8 Hours / Danville IL
304

Speedgoat

Jul 26 / 50 KM / Snowbird Resort UT
302

The North Face Endurance Challenge New York

May 03 / 50 Miles / New York NY
296

Moab Red Hot 55k/33k

Feb 14 / 55 KM / Moab UT
291

Blues Cruise

Oct 04 / 50 KM / Reading PA
285

Ice Age Trail

May 09 / 50 Miles / La Grange WI
282

Bull Run Run

Apr 11 / 50 Miles / Clifton VA
282

Gorge Waterfalls 50K

Mar 29 / 50 KM / Cascade Locks OR
282

Stone Mill 50M

Nov 14 / 50 Miles / Montgomery Village MD
281

Javelina Jundred

Oct 31 / 100 Miles / Fountain Hills AZ
280

Quad Dipsea

Nov 28 / 28.4 Miles / Mill Valley CA
278

Lake Sonoma

Apr 11 / 50 Miles / Healdsburg CA
277

HAT Trail Run

Mar 21 / 50 KM / Havre de Grace MD
276

White River 50

Jul 25 / 50 Miles / Crystal Mountain WA
269

McDonald Forest

May 09 / 50 KM / Corvallis OR
265

Leona Divide

Apr 18 / 50 KM / Lake Hughes CA
259

Tunnel Hill 100

Nov 14 / 50 Miles / Vienna IL
254

Western States

Jun 27 / 100 Miles / Squaw Valley CA
250

Squamish 50

Aug 22 / 50 KM / Squamish BC
249

Rocky Raccoon

Jan 31 / 100 Miles / Huntsville TX
248

Grizzly Ultra

Oct 10 / 50 KM / Canmore AB
246

Born to Run Ultra Marathons

May 16 / 30 Miles / Los Olivos CA
243

Seashore Nature Trail

Dec 19 / 50 KM / Virginia Beach VA
241

Orcas Island 50k

Feb 07 / 50 KM / Orcas Island WA
239

The North Face Endurance Challenge Wisconsin

Oct 03 / 50 KM / Dousman WI
238

Bighorn

Jun 20 / 32 Miles / Dayton WY
236

Holiday Lake

Feb 14 / 50 KM / Appomattox VA
234

Bulldog 50K Ultra Run & 25K Trail Run

Aug 22 / 50 KM / Calabasas CA
233

Rio Del Lago

Nov 07 / 100 Miles / Granite Bay CA
231

The North Face Endurance Challenge Washington DC

Apr 18 / 50 Miles / Washington DC DC
231

Squaw Peak 50 Mile Trail Run

Jun 06 / 50 Miles / Provo UT
Galena Sky Trail Races
  • May 18, 2019
  • Galena, IL
8 Hours