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) (Map of the start lines)
Cut.Climb/CourseWinning Year of
DateRace Name(hrs)DescentRecordTimeStartersFinishersPercentResults
1/2-3/16 The Pistol Ultra(TN) 30 1350'/1350' 15:39:34 15:39:34 __ 58 __% '15
1/9-10/16 Long Beach(CA) 28 '/' __:__:__ __:__:__ __ __ __% '16
1/14-15/17 HURT(HI) 36 24935'/24935' 19:35:00 21:22:49 125 53 42% '16
1/14-15/17 Long Haul(FL) 30 ?'/?' 13:18:58 18:46:17 44 29 66% '16
1/23-24/16 Beast of Burden - Winter(NY) 30 ?'/?' 14:47:30 16:37:14   18  % '16
1/23-24/16 Coldwater Rumble(AZ) 32 4400'/4400' 15:09:52 19:44:00 __ 32 __% '16
1/28-29/1/17 Skydive(FL) 32 0'/13500' 18:47:47 18:47:47 12 8 67% '16
2/4-7/16 Yukon Arctic(CAN) 72 ?'/?' 21:41:00 23:28:00 __ 18 __% '14
2/6-7/1/16 Rocky Raccoon(TX) 30 5375'/5375' 12:44:33 13:45:03 358 240 67% '16
2/6-7/16 Iron Horse(FL) 28 ?'/?' 13:14:31 15:54:09   21  % '16
2/13-15/16 Susitna(AK) 48 ?'/?' 20:25:35 20:25:35 __ 28 __% '16
2/13-14/16 Jackpot(NV) 30 4000'/4000' 15:40:39 15:54:51 76 55 __% '15
2/18-19/17 Destin Beach(FL) 27 ?'/?' 10:29:39 10:29:39 19 5 66% '16
2/19-20/16 Orcas Island(WA) 30 30000'/30000' 19:19:53 19:19:53 __ 49 __% '16
2/26-27/16 LOViT(AR) 34 20000'/20000' 21:52:34 21:52:34 25 18 72% '16
2/27-28/16 Soggy Bottom(MO) 35 23553'/23553' 26:29:50 26:29:50 9 3 33% '16
3/5-6/16 Razorback(CA) 35 ?'/?' 17:38:30 18:11:03 __ 11 __% '15
3/19-20/16 Vegas Moonlight(NV) 30 800'/800' __:__:__ __:__:__ __ __ __% '16
3/19-20/16 Lake Martin(AL) 30 13400'/13400' 22:18:42 22:18:42 55 17 31% '15
3/19-20/16 Fort Clinch(FL) 30 4500'/4500' 17:59:42 18:23:35 __ 20 __% '15
3/18-19/16 Buffalo Run(UT) 30.5 7670'/7670' 14:34:00 17:12:00 __ 44 __% '15
3/24-25/16 Pickled Feet(ID) 32 600'/600' 17:23:56 20:40:04 24 13 54% '15
3/25-26/16 Badger Mt. Challenge(WA) 32 14000'/14000' 16:55:50 16;55:50 63 21 50% '15
3/26-27/16 San Francisco(CA) 33 19575'/19575' 19:39:19 19:39:19   14  % '15
3/27-28/16 White Mountains(AK) 40 7366'/7367' 22:21:00 22:21:00 _ 11 __% '15
3/31-4/1/16 Beyond Limits(CA) 31 ?'/?' 17:25:50 18:59;55 42 16 38% '15
4/1-2/17 Umstead(NC) 30 8000'/8000' 13:11:40 15:30:12 248 156 % '16
4/2-3/16 New Jersey(NJ) 29 ?'/?' 15:21:__ 18:18:01 __ 23 __% '14
4/2-3/16 Prairie Spirit(KS) 30 ?'/?' 15:10:13 17:24:29 __ 50 __% '15
4/8-9/16 Zumbro(MN) 34 ?'/?' 18:04:00 18:04:00 74 46 62% '15
4/8-9/16 Zion(UT) 32 7850'/7850' 16:49:53 17:29:12 186 136 73% '15
4/9-10/16 Potawatomi(IL) 34 16000'/16000' 17:40:13 19:36:21 39 % '15
4/9-10/16 Wild Sebastian(FL) 32 ?'/?' 19:20:47 26:01:55 6 3 50% '14
4/16-17/16 Running Dead(GA) 30 0'/0' 20:05:00 20:05:00 11 5 45% '15
4/23-24/16 Double Top(GA) 34 17500'/17500' 24:10:00 25:53:00 8 3 38% '15
4/29-30/16 Salt Flats(UT) 36 ?'/?' 15:04:45 19:14:09 31 22 71% '15
4/30-5/1/16 C&O Canal(MD) 30 800'/800' 14:45:00 14:45:00 132 69 53% '15
4/30-5/1/16 Indiana Trail(IN) 30 5250'/5250' 16:31:08 16:31:08 193 96 50% '15
4/30-5/1/16 Red Rock & Beyond(NV) 32 '/' __:__:__ __:__:__     __% '16
5/6-7/16 Spruce Woods(CAN) 32 9000'/9000' 19:43:42 20:39:34 12 10 83% '15
5/13-15/16 Cruel Jewel(GA) 48 33000'/33000' 24:16:29 24;16:29 __ 47 __% '15
5/13-14/16 Born To Run(CA) 30 11500'/11500' 13:42:52 17:10:07   26  % '15
5/13-14/16 Peak(VT) 34 24000'/24000' 27:26:24 30:08:00 6 2 33% '15
5/14-15/16 Massanutten Mt.(VA) 36 19000'/19000' 17:40:45 19:36:25 199 120 60% '15
5/20-21/16 Thunder Rock(TN) 30 16000'/16000' 17:47:55 21:03:45 122 51 42% '15
5/21-22/16 KEYS100(FL) 30 ?'/?' 13:42:52 16:17:01 144 97 67% '15
5/28-29/16 Nanny Goats(CA) 28 ?'/?' 17:41:24 18:00:26 78 47 60% '14
5/26-27/16 Pigtails Challenge(WA) 32 ?'/?' 16:58:__ 18:16:08   23 % '15
5/28-29/16 Sulphur Springs(CAN) 30 13900'/13900' 15:37:24 17:50:36 55 39 71% '15
5/28-29/16 Booneville Backroads Ultra(IA) 36 ?'/?' 17;25;27 17:25:27 __ 11 __% '15
6/3-4/16 San Diego(CA) 32 12600'/12600' 16:38:59 17:09:28 231 154 67% '15
6/3-5/16 Hell Hole Hundred(SC) 30 ?'/?' __:__:__ __:__:__ __ __ __% '15
6/4-5/16 Old Dominion(VA) 28 14000'/14000' 15:10:13 16:45:50 58 38 65% '15
6/4-5/16 Kettle Moraine(WI) 32 12005'/12005' 15:17:32 16:55:22 109 % '14
6/4-5/16 Yankee Springs(MI) 31 ?'/?' __:__:__ __:__:__ % '16
6/11-12/16 Angel Fire(NM) 32 ?'/?' 26:44:26 26:44:26 _ 2 __% '15
6/17-18/16 Bryce(UT) 34 14000'/14000' 17:58:34 17:58:34,/b>   76  % '15
6/18-19/16 Bighorn(WY) 34 ?'/?' 18:29:37 18:29:37 304 195 64% '15
6/18-19/16 Mohican Trail(OH) 32 12862'/12862' 15:11:35 17:59:15 ___ 88 __% '15
6/18-19/16 The Great New York(NY) 32 ?'/?' 15;19:18 16:37:37 _ 35 __% '15
6/24-25/16 Black Hills(SD) 32 16231'/16231' 18:58:23 22:42:11 __ 32 __% '15
6/25-26/16 Western States(CA) 30 18090'/22970' 14:46:44 14:48:59 371 254 68% '15
7/8-10/16 Santa Barbara(CA) 48 21000'/21000' 16:32:__ 20:59:09 47 24 51% '15
7/9-10/16 Viaduct Trail(PA) 30 4000'/4000' 15:31:__ 22:55:__ 19 6 32% '15
7/9-10/16 Honey Badger(KS) 36 ?'/?' 16:54:21 16:54:21 __ 15 __% '15
7/9-10/16 Sinister 7(CAN) 30 18658'/18656' 18:21:47 18:21:47 __ __ __% '15
7/9-10/16 Cry Me A River!(CIL) 34 20000'/20000' __:__:__ __:__:__ __ __ __% '16
7/15-17/16 Hardrock(CO) 48 33992'/33992' 22:41:35 23:28:10 152 123 81% '15
7/16-17/16 Vermont(VT) 30 14160'/14160' 14:47:35 15:01:50   221  % '15
7/16-17/16 Tahoe Rim Trail(NV) 35 19788'/19788' 17:38:35 20:49:05 239 154 64% '15
7/30-31/16 Grand Mesa(CO) 34 ?'/?' 20:23:00 22:22:24 16 8 50% '15
8/5-7/16 Ouray(CO) 52 41862'/41862' __:__:__ __:__:__ 45 9 20% '15
8/6-7/16 Angeles Crest(CA) 33 21610'/26700' 17:35:48 19:46:20 171 98 57% '15
8/6-7/16 Burning River(OH) 30 ?'/?' 14:25:14 17:50:00 214 125 58% '15
8/6-7/16 Silverheels(CO) 36 17300'/17300' 21:12:__ 21:12:__   33  % '15
8/12-13/16 Resurrection Pass(AK) 30 9020'/8737' 18:57:40 18:57:40 __ __ __% '16
8/13-14/16 Eastern States(PA) 36 19288'/19301' 21:21:27 21:21:27 __ 57 __% '15
8/13-14/16 Beast of Burden - Summer(NY) 24 ?'/?' 14:58:09 15:16:47 59 40 68% '14
8/13-14/16 Cool Moon(CA) 33 16000'/16000' 22:58:00 27:32:41 13 5 38% '14
8/15-16/15 Run-de-Vous(CA) 32 4250'/4250' 17:43:54 20:07:25 __ 20 __% '14
8/20-21/16 Leadville Trail(CO) 30 15600'/15600' 15:42:59 16:33:50 637 312 49% '15
8/20-21/16 Ghosts of Yellowstone(MT) 38 28500'/28500' 19:40:__ 25:47:31 13 6 46% '15
8/20-21/16 Habanero Hundred(TX) 30 ?'/?' 28:43:20 28:43:20 28 1 4% '15
8/27-28/16 Cascade Crest(WA) 33 22250'/22250' 17:56:50 18:23:56 154 99 64% '15
8/27-28/16 Lean Horse(SD) 30 3524'/3524' 15:14:15 18:13:06 __ 44 __% '15
9/3-4/16 Wildcat(FL) 48 0'/0' 18:09:59 22:43:01   6  % '15
9/3-4/16 Hideaway(CO) 31 13820'/13820' 20:06:__ 20:06:__ __ 7 __% '15
9/9-10/16 Wasatch Front(UT) 36 26882'/26131' 18:30:55 20:41:09 313 203 65% '15
9/9-10/16 Superior Sawtooth(MN) 38 20000'/21000' 19:30:37 19:30:37 __ 161 __% '15
9/9-11/16 Run Woodstock(MI) 30 7806'/7806' 16:13:56 16:13:56 ___ 91 __% '15
9/10-11/16 Pine to Palm(OR) 34 22000'/22000' 17:19:00 18:12:30 121 75 62% '15
9/9-10/16 Lost Soul(CAN) 37 ?'/?' 19:23:00 20:13:33 __ 25 __% '15
9/10-11/16 Hawk Hundred(KS) 32 ?'/?' 18:47:24 22:23:01 __ 25 __% '15
9/10-11/16 Pine Creek Challenge(PA) 30 ?'/?' 16:12:03 16:45:30 41 % '15
9/10-11/16 Headlands(CA) 33 20068'/20068' 18:22:25 20:52:54 26 % '15
9/12-13/15 Haliburton For.(CAN) 30 12500'/12500' 15:40:35 20:28:20 22 % '15
9/12-13/15 Plain(WA) 36 25365'/26766' 22:21:40 24:17:00 38 15 39% '14
9/16-17/16 Run Rabbit Run(CO) 32 20191'/20191' 17:15:20 18:05:18 252 153 61% '15
9/16-17/16 Kodiak(CA) 36 14000'/14000' 21:31:00 21:31:00 58 35 60% '15
9/16-17/16 Mogollon Monster(AZ) 36 23000'/23000' 21:34:00 25:07:00 68 33 48% '15
9/17-18/16 Mark Twain(MO) 32 10000'/10000' 18:21:38 21:41:50 36 19 53% '15
9/17-18/16 IMTUF(ID) 36 21000'/21000' 21:06:36 23:21:43 57 % '15
9/19-20/15 Virgil Crest(NY) 36 20000'/20000' 19:56:__ 23:46:__ 38 16 42% '15
9/23-24/16 The Bear(UT) 36 21986'/21986' 17:50:15 19:01:07 207 % '15
9/24-25/16 Not Yo Momma's(OH) 32 ?'/?' 19:38:42 28:00:23 21 7 33% '15
9/24-25/16 Stagecoach(AZ) 30 7000'/7000' 17:37:25 17:37:24 17 % '15
9/24-25/16 Mountain Lakes(OR) 30 10800'/10800' 16:15:16 16:15:16 106 78 74% '15
9/24-25/16 The Georgia Jewel(GA) 36 16053'/16053' 20:22:23 24:29:05 __ 15 __% '15
9/30-10/1/16 Yeti(VA) 30 23000'/23000' 21:20:45 21:20:45 __ 11 __% '15
10/1-2/16 Arkansas Trav.(AR) 30 12086'/12106' 15:37:26 15:59:12 143 106 74% '14
10/1-2/16 Cloudsplitter(KY) 40 25893'/25893' 21:07:56 24:21:28 47 35 74% '15
10/1-2/16 Children of the Cane(LA) 30 200'/200' 18:04:55 18:04:55 10 7 70% '15
10/1-2/16 Hennepin Hundred(IL) 30 ?'/?' 14:47:59 14:47:59 __ 72 __% '15
10/1-2/16 Blazing 7s(TX) 30 ?'/?' __:__:__ __:__:__ __ __ __% '16
10/1-2/16 Iron Horse Ultra(CAN) 27 ?'/?' 15:47:00 21:01:__ 16 5 31% '14
10/7-9/16 Grindstone(VA) 38 23200'/23200' 17:13:04 20:24:04 ___ 162 __% '15
10/8-9/16 Bromont Ultra(CAN) 34 21250'/21250' 21:01:25 21:01:25 32 20 63% '15
10/8-9/16 TARC(MA) 32 14000'/14000' 19:35:46 22:39:46 74 19 26% '14
10/8-9/16 Oil Creek(PA) 32 17785'/17785' 17:25:53 18:18:58 93 % '14
10/8-9/16 Heartland(KS) 30 6000'/6000' 14:26:43 17:38:37 59 37 63% '14
10/8-9/16 Farmdale Trail(IL) 32 '/' 22:42:43 22:42:43 23 11 48% '15
10/15-16/16 Pumpkin Holler(OK) 30 ?'/?' 16:47:17 21:10:04 __ 16 __% '13
10/17-18/15 Endurance Challenge(CA) 32 2366'/3146' 16:46:__ 20:30:__ 40 27 68% '14
10/21-22/16 Pony Express Trail(UT) 30 3000'/3000' 15:06:27 20:15:57 38 25 66% '14
10/22-23/16 Uwharrie(NC) 36 23000'/23000' 25:04:43 25:04:43 37 22 59% '15
10/22-23/16 Cactus Rose(TX) 36 7318'/7318' 17:34:08 21:08:30 40 47% '14
10/29-30/16 Ghost Train(NH) 30 ?'/?' 15:49:04 15:49:04 __ 41 __% '15
10/29-30/16 Javelina Jundred(AZ) 30 5000'/5000' 13:47:43 13:49:17 459 278 61% '15
10/29-30/16 Kansas Rails to Trails(KS) 30 ?'/?' 14:13:09 14:13:09 __ 31 __% '15
11/4-5/16 Big Cedar(TX) 33 10000'/10000' 22:35:11 22:35:11 61 12 20% '14
11/5-6/16 Ozark(MO) 32 13500'/13500' 17:44:37 17:44:37 61 36 59% '14
11/5-6/16 Rio del Lago(CA) 30 12000'/12000' 15:31:14 17:07:27 315 233 74% '15
11/7-8/15 tBunk(WI) 30 ?'/?' 16:55:18 16:55:18 24 14 58% '14
11/7-8/15 Pinhoti(AL) 30 14500'/14500' 16:42:20 18:30:00 256 133 52% '15
11/7-8/15 Daytona(FL) 30 ?'/?' __:__:__ __:__:__ __ __ __% '15
11/12-13/16 Tunnel Hill(IL) 30 ?'/?' 14:45:26 14:45:26 __ 84 __% '14
11/14-15/15 Cottonmouth(FL) 30 ?'/?' 21:13:36 21:13:36 26 9 35% '15
11/12-13/16 Chimera(CA) 40 21391'/21396' 16:52:08 18:59:53 ___ 47 __% '15
12/5-6/15 Cajun Coyote(LA) 30 ?'/?' 18:38:00 21:09:00 __ 27 __% '14
12/5-6/15 Hitchcock(IA) 32 19040'/19040' __:__:__ __:__:__ __ __ __% '15
12/12-13/15 Brazos Bend(TX) 30 120'/120' 15:41:19 15:41:19 __ 35 __% '15
12/19-20/15 Houston(TX) 30 ?'/?' 18:11:13 19:08:47 9 6 67% '15
12/19-20/15 Ancient Oaks(FL) 32 ?'/?' 16:41:34 20:29:01 56 29 52% '15

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

"http://www.Run100s.com/ultra.htm" (updated: 4/23/16) StanJ@Run100s.com