2019 Biggest Ultrarunning Races

By finisher count. North American races only.
2019 2018 2017 2016 2015
Finishers Event Winner
190

Strolling Jim™

May 04 / 40 Miles / Wartrace TN
189

Bryce 100

May 18 / 50 Miles / Bryce Canyon UT
189

Run Your Towne – 24 Hour Challenge

Jun 05 / 24 Hours / Annapolis MD
188

FOURmidable

Feb 16 / 50 KM / Cool CA
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

San Diego 50 and Trail Marathon

Jan 12 / 50 Miles / Escondido CA
181

The North Face Endurance Challenge Washington DC

Apr 27 / 50 Miles / Washington DC DC
180

Marin Ultra Challenge

Mar 09 / 50 Miles / Sausalito CA
180

Sun Mountain

May 11 / 50 Miles / Winthrop WA
180

Cloudland Canyon

Feb 09 / 50 KM / Rising Fawn GA
178

Nine Trails 35 Mile Endurance Run

Mar 23 / 35 Miles / Santa Barbara CA
176

San Diego 100

Jun 07 / 100 Miles / Lake Cuyamaca CA
175

Desert Rats Trail Running Festival

Apr 13 / 50 KM / Fruita CO
174

Highlands Sky

Jun 08 / 40 Miles / Davis WV
170

Leona Divide

Apr 27 / 50 KM / Lake Hughes CA
170

Mind the Ducks

May 11 / 12 Hours / Webster NY
169

24 Hours of Palmer Lake Fun Run

Apr 13 / 24 Hours / Palmer Lake CO
166

Kettle Moraine 100 Endurance Runs

Jun 01 / 100 Miles / La Grange WI
165

Tillamook Burn Trail Run

Apr 28 / 50 KM / Timber OR
163

O24

May 04 / 24 Hours / Kirtland OH
163

Quest for the Crest

May 18 / 50 KM / Burnsville NC
162

Eagle Up Ultra

Jun 08 / 50 KM / Canal Fulton OH
162

Holiday Lake

Feb 16 / 50 KM / Appomattox VA
162

The North Face Endurance Challenge Massachusetts

Jun 08 / 50 KM / Princeton MA
162

Mt Cheaha

Feb 23 / 50 KM / Delta AL
160

Ultra Caballo Blanco Copper Canyon Ultra

Mar 03 / 50 Miles / Urique
159

Terrapin Mountain

Mar 23 / 50 KM / Big Island VA
159

Bull Run Run

Apr 13 / 50 Miles / Clifton VA
159

Rocky 50

Feb 09 / 50 KM / Huntsville TX
157

Yakima Skyline Rim

Apr 20 / 50 KM / Yakima WA
156

The Georgia Death Race

Mar 30 / 68 Miles / Blairsville GA
154

Umstead

Apr 06 / 100 Miles / Raleigh NC
151

Diablo Trails Challenge

Apr 13 / 50 KM / Walnut Creek CA
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
147

Shadow of the Giants

Jun 08 / 50 KM / Fishcamp CA
147

North Fork 50 Mile/50K

Jun 01 / 50 KM / Pine CO
146

Forget the PR Mohican 50k and 25k

Apr 06 / 50 KM / Loudonville OH
146

Mendocino Coast 50k

Apr 20 / 50 KM / Mendocino CA
143

Moab Red Hot 55k/33k

Feb 16 / 55 KM / Moab UT
141

Big Basin

Jun 02 / 50 KM / Los Gatos CA
141

Griffith Park Trail

Mar 02 / 50 KM / Los Angeles CA
140

Stumptown Trail Runs

May 27 / 50 KM / Portland OR
139

CT Trailmixers Spring Fling 600

May 05 / 10 Hours / Southington CT
137

Run Under The Stars - Paducah

Jun 08 / 10 Hours / Paducah KY
136

Quad Rock 50

May 11 / 50 Miles / Fort Collins CO
136

Cruel Jewel

May 17 / 105.9 Miles / Blue Ridge GA

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).

Kodiak 100
  • Aug 17, 2019
  • Big Bear Lake, CA
50 KM 50 Miles 100 Miles