2021 Biggest Ultrarunning Races

By finisher count. North American races only.
2021 2020 2019 2018
Finishers Event Winner
548

Zion 100

Apr 10 / 50 KM / Virgin UT
403

Mountain Mist

Jan 23 / 50 KM / Huntsville AL
364

Black Canyon Ultras

Feb 14 / 100 KM / Mayer AZ
302

Promise Land

Apr 24 / 50 KM / Lynchburg VA
293

Bandera

Jan 09 / 100 KM / Bandera TX
252

Rocky Raccoon

Feb 06 / 100 Miles / Huntsville TX
252

McDonald Forest

May 08 / 50 KM / Corvallis OR
244

The Canyons

Apr 24 / 100 KM / Foresthill CA
237

Desert Rats Trail Running Festival

Apr 17 / 50 KM / Fruita CO
218

Grayson Highlands 50k

May 01 / 50 KM / Mouth of Wilson VA
217

Zion 100

Apr 10 / 100 KM / Virgin UT
214

Hyner Trail Challenge

Apr 24 / 50 KM / Hyner PA
212

Mt Cheaha

Feb 27 / 50 KM / Delta AL
212

Behind the Rocks Ultra

Mar 27 / 50 KM / Moab UT
209

Black Canyon Ultras

Feb 13 / 60 KM / Mayer AZ
209

Smith Rock Ascent

May 15 / 50 KM / Terrebonne OR
200

Crown King Scramble

Mar 27 / 50 KM / Phoenix AZ
192

Terrapin Mountain

Mar 20 / 50 KM / Big Island VA
185

Strolling Jim™

May 01 / 40 Miles / Wartrace TN
166

Quest for the Crest

May 15 / 50 KM / Burnsville NC
165

Badger Mountain Challenge

Mar 26 / 50 Miles / Richland WA
164

Virginia Run for Cancer

Apr 24 / 24 Hours / Hampton VA
163

Zion 100

Apr 10 / 100 Miles / Virgin UT
162

Antelope Island Buffalo Run

Mar 26 / 50 Miles / Syracuse UT
158

Seven Trails Ultra Festival

Apr 24 / 36 Hours / Damascus,Virginia VA
150

Rocky 50

Feb 13 / 50 KM / Huntsville TX
149

Tillamook Burn Trail Run

May 02 / 50 KM / Timber OR
146

Antelope Island Buffalo Run

Mar 26 / 50 KM / Syracuse UT
140

The Algonquin 50K

Feb 13 / 50 KM / Pocomoke City MD
139

American River

May 08 / 50 Miles / Folsom CA
138

Brazos Bend 50

Apr 03 / 50 KM / Needville TX
137

Tillamook Burn Trail Run

May 01 / 50 Miles / Timber OR
135

Quad Rock 50

May 08 / 50 Miles / Fort Collins CO
133

Bandera

Jan 10 / 50 KM / Bandera TX
131

Shore2Shore

Apr 10 / 50 KM / East Islip NY
126

The Georgia Death Race

Mar 27 / 74 Miles / Blairsville GA
125

Foothills Ultra (Conquer the Rock)

Mar 06 / 50 KM / Pickens SC
125

Moab Red Hot 55k/33k

Feb 13 / 55 KM / Moab UT
125

Prairie Spirit Trail

Mar 27 / 50 KM / Otawa KS
122

Grayson Highlands 50k

May 01 / 50 Miles / Mouth of Wilson VA
122

Whiskey Basin Trail Runs

Apr 17 / 60 KM / Prescott AZ
121

Zumbro

Apr 08 / 34 Miles / Theilman MN
119

The Country Mile

Apr 10 / 48 Hours / Slater-Marietta SC
117

Holiday Lake

Feb 13 / 50 KM / Appomattox VA
116

Singletrack Maniac 50k

Apr 10 / 50 KM / Williamsburg VA
115

Traprock 50

Apr 17 / 50 KM / Simsbury CT
114

Rocky 50

Feb 13 / 50 Miles / Huntsville TX
112

Bel Monte

Mar 13 / 50 KM / Waynesboro VA
111

Lake Martin 100

Mar 20 / 50 Miles / Alexander City AL
111

Ouachita Trail

Apr 17 / 50 KM / Little Rock AR

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).

Tussey Mountainback 50 Miler

  • Oct 24, 2021
  • Boalsburg, PA
50 Miles