2019 Biggest Ultrarunning Races

By finisher count. North American races only.
2019 2018 2017 2016 2015
Finishers Event Winner
591

Way Too Cool

Mar 02 / 50 KM / Cool CA
516

Black Canyon Trail

Feb 16 / 100 KM / Mayer AZ
442

Chuckanut 50k

Mar 16 / 50 KM / Fairhaven WA
378

Mountain Mist

Jan 26 / 50 KM / Huntsville AL
363

American River

Apr 06 / 50 Miles / Folsom CA
356

HAT Trail Run

Mar 23 / 50 KM / Havre de Grace MD
310

Zion 100

Apr 13 / 50 KM / Virgin UT
305

Cowtown Ultra

Feb 24 / 50 KM / Fort Worth TX
296

Antelope Canyon Ultras

Mar 09 / 55 KM / Page AZ
281

Lake Sonoma

Apr 13 / 50 Miles / Healdsburg CA
280

Yamacraw

Apr 06 / 50 KM / Stearns KY
276

Avalon Benefit 50

Jan 12 / 50 KM / Avalon CA
268

Bandera

Jan 05 / 100 KM / Bandera TX
261

Antelope Canyon Ultras

Mar 09 / 50 Miles / Page AZ
257

Diez Vista

Apr 13 / 50 KM / Port Moody BC
256

Zion 100

Apr 12 / 100 KM / Virgin UT
240

Marin Ultra Challenge

Mar 09 / 50 KM / Sausalito CA
237

Salmon Falls 50K

Feb 23 / 50 KM / Pilot Hill CA
231

Behind the Rocks Ultra

Mar 23 / 50 KM / Moab UT
227

Avalon Benefit 50

Jan 12 / 50 Miles / Avalon CA
222

Crown King Scramble

Mar 30 / 50 KM / Phoenix AZ
218

Bandera

Jan 05 / 50 KM / Bandera TX
213

Black Canyon Trail

Feb 16 / 60 KM / Mayer AZ
208

Rocky Raccoon

Feb 02 / 100 Miles / Huntsville TX
197

The Algonquin 50K

Feb 09 / 50 KM / Pocomoke City MD
196

Arches Ultra

Jan 26 / 50 KM / Moab UT
193

The Pistol Ultra Run

Mar 16 / 50 KM / Alcoa TN
190

Brazos Bend 50

Apr 06 / 50 KM / Needville TX
188

FOURmidable

Feb 16 / 50 KM / Cool CA
185

Orcas Island 50k

Feb 02 / 50 KM / Orcas Island WA
181

San Diego 50 and Trail Marathon

Jan 12 / 50 Miles / Escondido CA
180

Cloudland Canyon

Feb 09 / 50 KM / Rising Fawn GA
180

Marin Ultra Challenge

Mar 09 / 50 Miles / Sausalito CA
178

Nine Trails 35 Mile Endurance Run

Mar 23 / 35 Miles / Santa Barbara CA
175

Desert Rats Trail Running Festival

Apr 13 / 50 KM / Fruita CO
169

24 Hours of Palmer Lake Fun Run

Apr 13 / 24 Hours / Palmer Lake CO
162

Holiday Lake

Feb 16 / 50 KM / Appomattox VA
162

Mt Cheaha

Feb 23 / 50 KM / Delta AL
159

Rocky 50

Feb 09 / 50 KM / Huntsville TX
159

Bull Run Run

Apr 13 / 50 Miles / Clifton VA
159

Terrapin Mountain

Mar 23 / 50 KM / Big Island VA
154

Umstead

Apr 06 / 100 Miles / Raleigh NC
151

The Georgia Death Race

Mar 30 / 68 Miles / Blairsville GA
151

Diablo Trails Challenge

Apr 13 / 50 KM / Walnut Creek CA
146

Forget the PR Mohican 50k and 25k

Apr 06 / 50 KM / Loudonville OH
143

Moab Red Hot 55k/33k

Feb 16 / 55 KM / Moab UT
143

Zion 100

Apr 12 / 100 Miles / Virgin UT
141

Griffith Park Trail

Mar 02 / 50 KM / Los Angeles CA
131

Salem Lakeshore Frosty Fifty

Jan 05 / 50 KM / Winston-Salem NC
127

Badger Mountain Challenge

Mar 29 / 50 Miles / Richland WA
The North Face Endurance Challenge Massachusetts
  • Jun 8, 2019
  • Princeton, MA
50 KM 50 Miles