Ultras - An ultramarathon is any running event longer than a marathon (i.e. 26.2 miles). An ultrarun is any unusually difficult running event, regardless of distance (e.g. Pikes Peak Marathon). These ultra statistics are updated infrequently, but if you send updates to StanJ@Run100s.com, you should see them appear soon.

100 mile events in North America (in chronological order)
Cut.Climb/CourseWinning Year of
DateRace Name(hrs)DescentRecordTimeStartersFinishersPercentResults
1/5-6/13 The Pistol Ultra(TN) 30 ?'/?' 16:21:33 16:21:33 __ 13 __% '13
1/18-19/14 HURT(HI) 36 24935'/24935' 19:35:00 19:35:00 121 55 44% '13
1/19-20/13 Long Haul(FL) 28 ?'/?' 13:18:58 13:18:588 42 28 67% '12
1/25-26/14 Coldwater Rumble(AZ) 32 ?'/?' __:__:__ __:__:__ __ __ __% '14
1/26-27/13 Beast of Burden - Winter(NY) 30 ?'/?' 14:47:30 14:47:30   35  % '13
2/1-2/14 Rocky Raccoon(TX) 30 ?'/?' 12:44:33 14:28:09 340 229 67% '12
2/3-5/13 Yukon Arctic(CAN) 72 ?'/?' 24:35:__ 24:35:__ 19 13 68% '13
2/9-10/13 Iron Horse(FL) 26 ?'/?' 13:14:31 13:14:31   29  % '13
2/15-16/14 Susitna(AK) 48 ?'/?' 21:43:__ 33:11:__ __ 21 __% '12
2/18-19/12 Rocky Road(CA) 34 8000'/8000' 13:14:44 13:14:44 120 88 73% '12
3/2-3/13 Double Top(GA) 34 17500'/17500' 24:10:00 24:10:00 __ 13 __% '12
3/8-9/14 Graveyard(NC) 30 139'/138' 13:48:34 13:48:34 102 79 77% '13
3/16-17/13 Beyond Limits(CA) 32 ?'/?' __:__:__ __:__:__ __ __ __% '13
3/22-23/13 Buffalo Run(UT) 30.5 ?'/?' 15:28:15 15:28:15 46 34 74% '12
3/23-24/13 Prairie Spirit(KS) 30 ?'/?' 16:09:10 16:09:10 54 5 3% '13
3/23-24/13 New Jersey(NJ) 30 ?'/?' 15:21:__ 16:47:00 46 45 98% '12
3/23-24/13 Moab(UT) 30 11000'/11000' 17:44:__ 21:17:__ 15 3 20% '12
3/24-25/13 White Mountains(AK) 48 ?'/?' 29:48:00 29:48 _ 6 __% '12
3/29-30/13 Pickled Feet(ID) 32 ?'/?' __:__:__ __:__:__ __ __ __% '13
3/29-30/13 Badger Mt. Challenge(WA) 32 ?'/?' 20:49:__ 21:34:03 __ 36 __% '12
3/29-30/14 Lake Martin(AL) 30 10000'/10000' __:__:__ __:__:__ __ __ __% '14
3/30-31/13 Fort Clinch(FL) 30 4500'/4500' __:__:__ __:__:__ __ __ __% '13
4/5-6/14 Umstead(NC) 30 8000'/8000' 13:11:40 15:21:00 263 162 62% '13
4/6-7/13 Potawatomi(IL) 34 16000'/16000' 17:40:13 22:13:44 44 14 32% '13
4/12-13/14 Lumberjack(WA) 34 ?'/?' 17:10:__ 19:55:00 25 13 53% '13
4/12-13/13 Zumbro(MN) 34 ?'/?' 21:16:04 21:16:04 44 30 68% '12
4/13-14/13 Wild Sebastian(FL) 32 ?'/?' 19:20:47 19:20:47 __ 16 __% '12
4/19-20/13 Zion(UT) 32 7850'/7850' 18:25:40 18:25:40 106 67 63% '12
4/20-21/13 Indiana Trail(IN) 30 ?'/?' __:__:__ __:__:__     __% '13
4/20-21/13 Labor of Love(NV) 32 ?'/?' 19:47:30 19:47:30 28 16 57% '12
4/20-21/13 Philadelphia(PA) 31 ?'/?' __:__:__ __:__:__     __% '13
4/26-27/13 Salt Flats(UT) 36 ?'/?' 15:04:45 15:04:45 49 42 86% '12
4/27-28/13 C&O Canal(MD) 30 ?'/?' __:__:__ __:__:__      % '13
5/12-13/13 Peak Ultras(VT) 36 ?'/?' 23:58:__ 29:57:18 __ 16 __% '11
5/17-19/13 Cruel Jewel(GA) 48 30000'/30000' __:__:__ __:__:__     __% '13
5/18-19/13 Massanutten Mt.(VA) 36 16200'/16200' 17:40:45 19:33:18 196 125 64% '12
5/18-19/13 KEYS100(FL) 30 ?'/?' 13:42:52 13:42:52 133 97 73% '12
5/18-19/13 Born To Run(CA) 30 11500'/11500' 13:42:52 13:42:52   14  % '12
5/18-19/13 Ride the Wind(NV) 33 9170'/9170' 27:53:__ 27:53:__ 5 1 20% '12
5/25-26/13 Sulphur Springs(CAN) 30 ?'/?' 15:40:22 15:40:22 74 42 57% '12
5/25-26/13 Pigtails Challenge(WA) 32 ?'/?' 17:23:__ 17:23:__ __ 37 __% '12
5/25-26/13 Nanny Goats(CA) 28 ?'/?' 18:27:41 18:43:43 __ 39 __% '12
5/31-6/1/13 Bryce(UT) 34 14000'/14000' __:__:__ __:__:__      % '13
6/1-2/13 Old Dominion(VA) 28 14000'/14000' 15:10:13 17:14:06 54 39 72% '12
6/1-2/13 Kettle Moraine(WI) 30 12005'/12005' 15:17:32 18:33:08 95 % '12
6/8-9/13 San Diego(CA) 32 15687'/15729' 16:38:59 16:38:59 189 131 69% '12
6/14-15/13 Bighorn(WY) 34 ?'/?' 18:43:37 18:36:42 161 118 73% '12
6/14-16/13 Santa Barbara DRTE(CA) 48 27473'/27473' 16:32:__ 16:32:__ 22 16 73% '11
6/14-15/13 TARC(MA) 30 ?'/?' __:__:__ __:__:__ __ __ __% '13
6/15-16/13 Mohican Trail(OH) 30 11230'/11230' 15:11:35 19:03:07 101 % '12
6/22-23/13 Angel Fire(NM) 32 ?'/?' 29:20:40 29:20:40 __ 1 __% '12
6/23-24/12 Great New York(NY) 28 ?'/?' 21:05:55 21:05:55 31 14 45% '12
6/29-30/13 Western States(CA) 30 18090'/22970' 14:46:44 14:46:44 382 316 83% '12
6/29-30/13 Black Hills(SD) 32 ?'/?' 20:51:11 20:51:11 38 % '12
7/12-14/13 Hardrock(CO) 48 33992'/33992' 23:23:30 24:50:__ 140 98 70% '12
7/13-14/13 Honey Badger(KS) 36 ?'/?' __:__:__ __:__:__ __ __ __% '13
7/13-14/13 Happy Jack(WY) 30 13000'/13000' 22:27:00 23:21:00 __ __ __% '13
7/20-21/13 Vermont(VT) 30 14160'/14160' 14:53:09 14:54:05 306 218 71% '12
7/20-21/13 Tahoe Rim Trail(NV) 35 19788'/19788' 17:47:09 19:14:43 143 85 59% '12
7/27-28/13 Viaduct Trail(PA) 30 ?'/?' 16:44:25 22:30:__   10  % '12
7/27-28/13 Grand Mesa(CO) 33 ?'/?' 20:33:00 20:33:00   9  % '12
7/27-28/13 Burning River(OH) 30 ?'/?' 15:02:00 15:02:00 360 199 55% '12
8/3-4/13 Angeles Crest(CA) 33 21610'/26700' 17:35:48 19:46:06 166 75 45% '12
8/3-4/13 San Francisco(CA) 33 20020'/20020' __:__:__ __:__:__      % '13
8/3-4/13 Cool Moon(CA) 33 ?'/?' 20:11:43 22:58:__ 20 11 55% '12
8/9-10/13 Resurrection Pass(AK) 28 ?'/?' 17:13:__ 20:06:__ 15 10 67% '12
8/17-18/13 Run-de-Vous(CA) 30 4250'/4250' 17:43:54 17:43:54 50 39 78% '12
8/17-18/13 Leadville Trail(CO) 30 15600'/15600' 15:42:59 16:29:28 795 360 45% '12
8/17-18/13 Beast of Burden - Summer(NY) 24 ?'/?' 14:58:09 14:58:09   55  % '12
8/23-24/13 Ghosts of Yellowstone(MT) 38 ?'/?' __:__:__ __:__:__ __ __ __% '13
8/24-25/13 Cascade Crest(WA) 32 20470'/20470' 18:27:52 18:31:06 144 98 68% '12
8/24-25/13 Lean Horse(SD) 30 3524'/3524' 15:14:15 15:14:15 ___ 73 __% '12
8/30-31/13 IMTUF(ID) 36 21000'/21000' 21:06:36 21:06:36 31 15 48% '12
9/6-7/13 Wasatch Front(UT) 36 26882'/26131' 18:30:55 19:33:30 289 213 74% '12
9/7-8/13 Pine Creek Challenge(PA) 30 ?'/?' 18:16:34 18:16:34 ___ 25 __% '12
9/7-8/12 Superior Sawtooth(MN) 38 20000'/21000' 21:02:41 21:02:41 __ 89 __% '12
9/7-8/12 Run Woodstock(MI) 30 7806'/7806' 17:17:52 18:10:53 141 69 49% '12
9/7-8/12 Lost Soul(CAN) 37 ?'/?' 19:23:00 23:49:49 50 20 40% '12
9/8-9/12 Haliburton For.(CAN) 30 ?'/?' 15:40:35 19:48:55 51 23 45% '12
9/13-14/13 Run Rabbit Run(CO) 32 22000'/22000' 19:16:02 19:16:02 __ 16 __% '12
9/14-15/13 Hawk Hundred(KS) 32 ?'/?' 20:20:30 20:20:30 22 13 59% '12
9/14-15/13 Plain(WA) 36 25365'/26766' 22:21:40 28:41:00 29 10 34% '12
9/14-15/13 Pine to Palm(OR) 34 22000'/22000' 17:19:00 19:53:50 127 73 57% '12
9/15-16/12 Mark Twain(MO) 32 10000'/10000' 19:41:50 19:41:50 __ 24 __% '12
9/15-16/12 Headlands(CA) 33 20068'/20068' 21:20:10 21:20:10 27 17 63% '12
9/22-23/12 The Georgia Jewel(GA) 36 16053'/16053' 21:01:05 24:24:29 44 19 43% '12
9/22-23/12 Virgil Crest(NY) 36 20000'/20000' 21:34:__ 21:34:__ 64 32 50% '12
9/27-28/13 The Bear(UT) 36 21986'/21986' 17:50:15 17:50:15 230 166 72% '12
9/28-29/13 Mogollon Monster(AZ) 36 18311'/18222' 22:24:00 22:24:00   9  % '12
9/28-29/13 Mountain Lakes(OR) 30 ?'/?' __:__:__ __:__:__ __ __ __% '13
10/5-7/12 Grindstone(VA) 38 23200'/23200' 17:13:04 17:13:04 158 108 68% '12
10/5-6/13 Arkansas Trav.(AR) 30 12086'/12106' 15:37:26 18:45:57 101 80 79% '12
10/5-6/13 Yellowstone-Teton(WY) 36 2323'/2323' 16:28:03 16:28:03 __ 26 __% '12
10/5-6/13 Iron Horse Ultra(CAN) 27 ?'/?' 15:47:00 15:47:00 15 13 87% '12
10/5-6/13 Oil Creek(PA) 32 17785'/17785' 17:25:53 17:25:53 138 87 63% '12
10/12-13/13 Heartland(KS) 30 6000'/6000' 14:26:43 16:14:30 __ 61 __% '12
10/12-13/13 Boulder(CO) 30 1400'/1400' 15:42:__ 15:42:__ __ 18 __% '12
10/18-19/13 Pony Express Trail(UT) 30 3000'/3000' 15:06:27 21:02:20 27 14 52% '12
10/19-20/13 Endurance Challenge(CA) 30 ?'/?' 16:46:__ 16:46:__ 42 26 62% '12
10/20-21/12 Pumpkin Holler(OK) 30 ?'/?' 16:47:17 16:47:17 42 23 54% '12
10/26-27/13 Javelina Jundred(AZ) 30 5000'/5000' 13:47:43 14:38:26 364 160 44% '12
10/26-27/13 Cactus Rose(TX) 36 7318'/7318' 17:34:08 17:34:08 80 47 59% '12
10/26-27/13 Ghost Train(NH) 30 ?'/?' 18:45:16 18:45:16 __ 20 __% '12
11/2-3/13 Ozark(MO) 32 13500'/13500' 18:33:00 18:33:00 85 46 54% '12
11/2-3/13 Coyote Springs(NV) 33 4200'/4200' 21:58:28 21:58:28 15 9 60% '12
11/2-3/13 Pinhoti(AL) 30 ?'/?' 16:42:20 17:06:53 ___ 108 __% '12
11/8-9/13 NNU(ID) __ ?'/?' __:__:__ __:__:__ __ __ __% '13
11/9-10/13 Rio del Lago(CA) 30 ?'/?' 15:31:14 19:02:26 ___ 55 __% '12
11/10-11/12 Run d'Amore(CA) 36 ?'/?' __:__:__ __:__:__ __ __ __% '12
11/17-18/12 Chimera(CA) 40 21391'/21396' 16:52:08 16:52:08 __ 76 __% '12
12/1-2/12 Ancient Oaks(FL) 32 ?'/?' 16:41:34 17:15:16 59 23 39% '11
12/1-2/12 Cajun Coyote(LA) 30 ?'/?' __:__:__ __:__:__ __ __ __% '11
12/15-16/12 Bartram(GA) 32 ?'/?' 19:19:43 19:19:43 14 % '11
12/29-30/12 Houston(TX) 30 ?'/?' __:__:__ __:__:__ __ __ __% '12

I've tried to show the most recent results of each race.

"http://www.Run100s.com/ultra.htm" (updated: 5/5/13) StanJ@Run100s.com