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
439

Chuckanut 50k

Mar 16 / 50 KM / Fairhaven WA
378

Mountain Mist

Jan 26 / 50 KM / Huntsville AL
305

Cowtown Ultra

Feb 24 / 50 KM / Fort Worth TX
296

Antelope Canyon Ultras

Mar 09 / 55 KM / Page AZ
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
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
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
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

Marin Ultra Challenge

Mar 09 / 50 Miles / Sausalito CA
180

Cloudland Canyon

Feb 09 / 50 KM / Rising Fawn GA
162

Mt Cheaha

Feb 23 / 50 KM / Delta AL
162

Holiday Lake

Feb 16 / 50 KM / Appomattox VA
159

Terrapin Mountain

Mar 23 / 50 KM / Big Island VA
159

Rocky 50

Feb 09 / 50 KM / Huntsville TX
143

Moab Red Hot 55k/33k

Feb 16 / 55 KM / Moab 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

Antelope Island Buffalo Run

Mar 23 / 50 KM / Syracuse UT
122

Tsali Frosty Foot

Jan 19 / 50 KM / Almond NC
119

Seneca Greenway Trail Marathon & 50K

Mar 02 / 50 KM / Gaithersburg MD
119

Ruck A Chuck 50k

Mar 16 / 50 KM / Foresthill CA
118

Long Haul 100

Jan 19 / 100 Miles / Wesley Chapel FL
117

Sylamore Trail

Feb 16 / 50 KM / Allison AR
115

Bel Monte

Mar 09 / 50 KM / Waynesboro VA
115

Seneca Greenway Trail Marathon & 50K

Mar 02 / 28 Miles / Gaithersburg MD
113

TARC to Hale and Back

Mar 23 / 6 Hours / Westwood MA
113

ICY-8

Feb 02 / 8 Hours / Lake Anna State Park VA
112

Mt Mitchell Challenge and Black Mountain Marathon

Feb 23 / 40 Miles / Black Mountain NC
110

Capitol Peak Mega Fat Ass

Jan 19 / 34 Miles / Olympia WA
109

Georgia Thrill In The Hills 50K

Feb 16 / 50 KM / Winder GA
108

TARCtic Frozen Yeti Trail Races

Feb 02 / 30 Hours / Westwood MA
107

Rocky 50

Feb 09 / 50 Miles / Huntsville TX
102

SCT Dawn to Dusk 12 Hour

Feb 16 / 12 Hours / Sanford FL
100

Land between the Lakes

Mar 09 / 60 KM / Grand Rivers KY
99

Croom Zoom

Jan 05 / 50 KM / Brooksville FL
99

BadWater: Cape Fear

Mar 16 / 51.4 Miles / Bald Head Island NC
98

Delano Park

Mar 09 / 12 Hours / Decatur AL
Endless Summer 6-Hour Run
  • Jul 27, 2019
  • Annapolis, MD
6 Hours