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2022 Biggest ultra running races

By finisher count. North American races only.
2022 2021 2020 2019 2018
Finishers Event Winner
541

Way Too Cool

Mar 05 / 50 KM / Cool CA
516

Black Canyon Ultras

Feb 12 / 100 KM / Mayer AZ
486

Rachel Carson Trail Challenge

Jun 18 / 34 Miles / Pittsburgh PA
442

Broken Arrow Skyrace

Jun 18 / 52 KM / Squaw Valley CA
421

Chuckanut 50k

Mar 19 / 50 KM / Fairhaven WA
421

Canyons Endurance Runs

Apr 23 / 100 KM / Auburn CA
410

Zion Ultras and Trail Half Marathon

Apr 10 / 50 KM / Virgin UT
391

Mountain Mist

Jan 22 / 50 KM / Huntsville AL
357

Antelope Canyon Ultras

Mar 12 / 55 KM / Page AZ
316

Avalon Benefit 50

Jan 08 / 50 KM / Avalon CA
311

Bandera

Jan 08 / 100 KM / Bandera TX
305

Western States 100

Jun 25 / 100 Miles / Olympic Valley CA
300

Diez Vista

Apr 09 / 50 KM / Port Moody BC
296

Promise Land

Apr 23 / 50 KM / Lynchburg VA
294

Black Canyon Ultras

Feb 12 / 60 KM / Mayer AZ
269

Hyner Trail Challenge

Apr 23 / 50 KM / Hyner PA
261

Smith Rock Ascent

May 14 / 50 KM / Terrebonne OR
259

Miwok

May 07 / 100 KM / Stinson Beach CA
252

Lake Sonoma 50

Apr 09 / 50 Miles / Healdsburg CA
251

Antelope Canyon Ultras

Mar 12 / 50 Miles / Page AZ
243

HAT Trail Run

Mar 19 / 50 KM / Havre de Grace MD
237

Marin Ultra Challenge

Mar 12 / 50 KM / Sausalito CA
232

Zion Ultras and Trail Half Marathon

Apr 09 / 100 KM / Virgin UT
222

Squaw Peak 50 Mile Trail Run

Jun 11 / 50 Miles / Provo UT
221

Desert Rats Trail Running Festival

Apr 15 / 50 KM / Fruita CO
218

Yamacraw

May 14 / 50 KM / Stearns KY
218

Arches Ultra

Jan 29 / 50 KM / Moab UT
217

Salmon Falls 50K

Feb 26 / 50 KM / Pilot Hill CA
207

Dam Yeti 50

Jun 03 / 55 KM / Damascus VA
206

Behind the Rocks Ultra

Mar 26 / 50 KM / Moab UT
205

The Country Mile

Apr 08 / 48 Hours / Slater-Marietta SC
204

Wild Horse Traverse

Jun 04 / 52 KM / Kelowna BC
204

Avalon Benefit 50

Jan 08 / 50 Miles / Avalon CA
203

Crown King Scramble

Mar 26 / 50 KM / Phoenix AZ
202

Bighorn

Jun 18 / 32 Miles / Dayton WY
201

San Juan Solstice

Jun 25 / 50 Miles / Lake City CO
200

The Algonquin 50K

Feb 12 / 50 KM / Pocomoke City MD
199

Rocky Raccoon

Feb 05 / 100 Miles / Huntsville TX
198

Bandera

Jan 08 / 50 KM / Bandera TX
198

Ice Age Trail

May 14 / 50 KM / La Grange WI
197

Cabin Fever 50K

Feb 19 / 50 KM / New River Gorge National Park WV
194

North Fork 50 Mile/50K

Jun 04 / 50 KM / Pine CO
191

Gorge Waterfalls

Apr 03 / 50 KM / Cascade Locks OR
190

Canyons Endurance Runs

Apr 23 / 50 KM / Auburn CA
190

Wy'east Wonder

Jun 12 / 50 KM / Parkdale OR
188

Sun Mountain

May 21 / 50 KM / Winthrop WA
187

FOURmidable

Feb 19 / 50 KM / Cool CA
184

Grayson Highlands

May 07 / 50 KM / Mouth of Wilson VA
183

Gorge Waterfalls

Apr 02 / 100 KM / Cascade Locks OR
179

Cowtown Ultra

Feb 27 / 50 KM / Fort Worth TX

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