2018 Biggest Ultrarunning Races

By finisher count. North American races only.
2019 2018 2017 2016 2015
Finishers Event Winner
243

Jemez Mountain

May 19 / 50 KM / Los Alamos NM
240

GiddyUp Trail Running Festival at Pineland Farms

May 27 / 50 KM / New Gloucester ME
235

Broken Arrow Skyrace

Jun 16 / 50 KM / Squaw Valley CA
234

Antelope Canyon Ultras

Feb 24 / 55 KM / Page AZ
233

Bull Run Run

Apr 07 / 50 Miles / Clifton VA
232

Volcanic 50

Aug 04 / 50 KM / Cougar WA
231

Virginia Run for Cancer

Apr 28 / 24 Hours / Hampton VA
230

Yamacraw

Apr 07 / 50 KM / Stearns KY
228

Noble Canyon

Sep 22 / 50 KM / Pine Valley CA
226

Marin Ultra Challenge

Mar 10 / 50 KM / Sausalito CA
226

Dirty Dozen 6/12 Hour Race

Jul 07 / 6 Hours / Pinole CA
223

Speedgoat

Jul 21 / 50 KM / Snowbird Resort UT
221

The Bear

Sep 28 / 100 Miles / Logan UT
220

Salmon Falls 50K

Feb 24 / 50 KM / Pilot Hill CA
220

Leona Divide

Apr 14 / 50 KM / Lake Hughes CA
219

Bandera

Jan 06 / 50 KM / Bandera TX
218

Marquette Trail

Aug 18 / 50 KM / Marquette MI
218

Vermont 50

Sep 30 / 50 KM / Brownsville VT
216

White River 50

Jul 28 / 50 Miles / Crystal Mountain WA
215

Table Rock Ultras

Sep 22 / 50 KM / Morganton NC
215

Rock/Creek StumpJump 50K

Sep 29 / 50 KM / Chattanooga TN
214

Across the Years

Dec 28 / 24 Hours / Phoenix AZ
212

Antelope Canyon Ultras

Feb 24 / 50 Miles / Page AZ
211

Moab Red Hot 55k/33k

Feb 17 / 55 KM / Moab UT
211

Smith Rock Ascent

May 12 / 50 KM / Terrebonne OR
210

Knee Knackering North Shore Trail Run

Jul 14 / 30 Miles / North Vancouver BC
208

Antelope Island 50K

Nov 17 / 50 KM / Syracuse UT
208

San Juan Solstice

Jun 23 / 50 Miles / Lake City CO
207

Grindstone

Oct 05 / 100 Miles / Swoope VA
206

Run Rabbit Run

Sep 14 / 100 Miles / Steamboat Springs CO
205

Burning Man Ultra

Aug 28 / 50 KM / Black Rock City NV
205

Tunnel Hill 100

Nov 10 / 100 Miles / Vienna IL
205

The Barkley Fall Classic

Sep 15 / 50 KM / Wartburg TN
204

Wild Duluth Races

Oct 20 / 50 KM / Duluth MN
201

Ice Age Trail

May 12 / 50 KM / La Grange WI
201

Rocky Raccoon

Feb 03 / 100 Miles / Huntsville TX
200

Georgia Sky to Summit

Nov 10 / 50 KM / Dillard GA
199

Javelina Jundred

Oct 27 / 100 KM / Fountain Hills AZ
197

The North Face Endurance Challenge Wisconsin

Sep 15 / 50 KM / Dousman WI
197

Skyline to the Sea

Oct 06 / 50 KM / Saratoga CA
196

The Pilot Mountain to Hanging Rock Ultra

Oct 13 / 50 KM / Pinnacle NC
196

Seashore Nature Trail

Dec 15 / 50 KM / Virginia Beach VA
196

Run Woodstock

Sep 08 / 50 KM / Pinckeny MI
195

Grayson Highlands 50k

May 05 / 50 KM / Mouth of Wilson VA
195

Chippewa Moraine

Apr 28 / 50 KM / New Auburn WI
194

Beaverhead Endurance Runs

Jul 14 / 55 KM / Salmon ID
194

Deception Pass

Dec 08 / 50 KM / Oak Harbor WA
194

McDonald Forest

May 12 / 50 KM / Corvallis OR
190

Dirty German Endurance Fest

May 12 / 50 KM / Philadelphia PA
190

Cuyamaca 100k

Oct 06 / 100 KM / Julian CA
Hellcat 50km Endurance Run
  • Jan 26, 2019
  • Green Cove Springs, FL
50 KM