2019 Biggest Ultrarunning Races

By finisher count. North American races only.
2019 2018 2017 2016 2015
Finishers Event Winner
185

Orcas Island 50k

Feb 02 / 50 KM / Orcas Island WA
184

Born to Run Ultra Marathons

May 18 / 30 Miles / Los Olivos CA
183

McDonald Forest

May 04 / 50 KM / Corvallis OR
181

The North Face Endurance Challenge Washington DC

Apr 27 / 50 Miles / Washington DC DC
181

San Diego 50 and Trail Marathon

Jan 12 / 50 Miles / Escondido CA
180

Sun Mountain

May 11 / 50 Miles / Winthrop WA
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
170

Leona Divide

Apr 27 / 50 KM / Lake Hughes CA
169

24 Hours of Palmer Lake Fun Run

Apr 13 / 24 Hours / Palmer Lake CO
165

Tillamook Burn Trail Run

Apr 28 / 50 KM / Timber OR
163

Quest for the Crest

May 18 / 50 KM / Burnsville NC
163

O24

May 04 / 24 Hours / Kirtland OH
162

Holiday Lake

Feb 16 / 50 KM / Appomattox VA
162

Mt Cheaha

Feb 23 / 50 KM / Delta AL
160

Ultra Caballo Blanco Copper Canyon Ultra

Mar 03 / 50 Miles / Urique
159

Bull Run Run

Apr 13 / 50 Miles / Clifton VA
159

Terrapin Mountain

Mar 23 / 50 KM / Big Island VA
159

Rocky 50

Feb 09 / 50 KM / Huntsville TX
157

Yakima Skyline Rim

Apr 20 / 50 KM / Yakima WA
154

Umstead

Apr 06 / 100 Miles / Raleigh NC
151

Diablo Trails Challenge

Apr 13 / 50 KM / Walnut Creek CA
151

The Georgia Death Race

Mar 30 / 68 Miles / Blairsville GA
150

Earth Day 50K

Apr 20 / 50 KM / Crystal Lake IL
149

Zion 100

Apr 12 / 100 Miles / Virgin UT
148

Quicksilver

May 11 / 100 KM / San Jose CA
146

Mendocino Coast 50k

Apr 20 / 50 KM / Mendocino 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
141

Griffith Park Trail

Mar 02 / 50 KM / Los Angeles CA
139

CT Trailmixers Spring Fling 600

May 05 / 10 Hours / Southington CT
136

Cruel Jewel

May 17 / 105.9 Miles / Blue Ridge GA
136

Quad Rock 50

May 11 / 50 Miles / Fort Collins CO
134

Keys Ultras

May 18 / 100 Miles / Key West FL
134

Thunderbunny

May 11 / 50 KM / Athens OH
131

Salem Lakeshore Frosty Fifty

Jan 05 / 50 KM / Winston-Salem NC
129

BPAC - BR 6 Hour Distance Classic

Apr 28 / 6 Hours / Williamsville NY
127

Badger Mountain Challenge

Mar 29 / 50 Miles / Richland WA
127

Antelope Island Buffalo Run

Mar 23 / 50 KM / Syracuse UT
124

Valencia Trail Race

Mar 30 / 50 KM / Valencia CA
123

Ironmasters Challenge

Apr 28 / 50 KM / Gardners PA
122

Dirty German Endurance Fest

May 11 / 50 Miles / Philadelphia PA
122

Tsali Frosty Foot

Jan 19 / 50 KM / Almond NC
120

Fonta Flora 50k

Mar 23 / 50 KM / Nebo NC
119

Ruck A Chuck 50k

Mar 16 / 50 KM / Foresthill CA
119

Seneca Greenway Trail Marathon & 50K

Mar 02 / 50 KM / Gaithersburg MD
118

Long Haul 100

Jan 19 / 100 Miles / Wesley Chapel FL
117

Playin' Possum 50Km Trail Run

May 18 / 50 KM / Delaware OH

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).

Sierra Crest 50K
  • Jul 13, 2019
  • Truckee, CA
50 KM