Jack Kurisky
Born : 1967 Cat. M55 Ultrarunner since 2004 USA
80
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
4
Countries visited ?FRAFranceIRLIrelandITAItalyUSAUnited States
23,9%
Rank quotient ?This runner's calculation uses 131 eligible race(s): Σ(rank − 1) = 4 905; Σ finishers = 20 563. 4 905 / 20 563 × 100 = 23.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed133
Km — ultra races12 571 km
> 100 km43
> 160 km34
> 24h1
Longest race168,0 km

Km per year (ultra races)

291
3 races
2022
113
2 races
2023
241
2 races
2024
145
2 races
2025
2026

Race types (share of distance)

Road1,4%
Trail97,4%
Stage1,2%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M3
🏅 Top 313
🏅 Top 3 M13
Longest winning streak1
Current streak0

HISTORY

131 race(s)
DateRacePerf.Rk
2025
24.05 50mi IRL6th Wild Atlantic Ultra 9:31:01 h23
29.03 40mi USA3rd Hone Quarry 40 Miler 10:00:39 h30
2024
19.07 100mi USA8th High Lonesome 100 Mile 36:34:07 h137
06.04 50mi USA30th Bull Run Run 50 Miler 9:09:54 h18
2023
05.08 30mi USA9th Jarmans Invitational Marathon 6:03:28 h14
17.06 40mi USA20th Highlands Sky 40M Trail Run 8:02:43 h19
2022
17.06 100mi USA30th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 34:33:02 h117
09.04 50mi USA28th Bull Run Run 50 Miler 8:44:38 h10
12.03 50km USA17th Elizabeth's Furnace Fat Ass 50 km Race 7:08:00 h2 🥈
2021
20.08 100mi USA1st Wyoming Range 100 Mile Endurance Run 2d 00:37:12 h19
16.07 100mi USA28th Hardrock Hundred Endurance Run 42:32:00 h68
13.03 50km USA16th Elizabeth's Furnace Fat Ass 50 km Race 6:08:00 h3 🥉
17.01 50km USA6th Waterfall 50km 6:43:05 h5
2020
12.12 100km USA18th Hellgate 100 km 14:15:31 h31
25.09 100mi USA22nd The Bear 100 Mile Endurance Run 34:49:33 h188
22.02 71mi USA15th The Reverse Ring 71-mile Run 21:06:00 h8
19.01 50km USA5th Waterfall 50km 6:45:05 h8
2019
14.12 100km USA1st Freight Train 100km Trail Run 10:23:09 h5
24.08 100mi USA21st Cascade Crest Classic 100 Mile 30:49:16 h81
20.07 50km USA24th Catoctin 50k Trail Run 6:59:43 h16
28.06 120km ITA13^ Lavaredo Ultra Trail by UTMB - 120K 23:58:30 h694
12.04 100mi USA2nd The Hellbender One Hundred 31:22:17 h26
16.03 50km USA14th Elizabeth's Furnace Fat Ass 50 km Race 5:41:11 h2 🥈
2018
08.12 100km USA16th Hellgate 100 km 14:54:14 h45
20.07 100mi USA25th Hardrock Hundred Endurance Run 46:35:57 h103
08.06 100mi USA17th San Diego 100 Mile Endurance Run 31:38:48 h149
28.04 50km USA18th Promise Land 50K++ 5:31:04 h6
07.04 50mi USA26th Bull Run Run 50 Miler 7:47:57 h5
24.03 50km USA30th The HAT Run 50K 4:39:39 h8
24.02 71mi USA13th The Reverse Ring 71-mile Run 18:10:00 h6
03.02 40mi USA26th Uwharrie Mountain Run 7:09:39 h7
2017
09.12 100km USA15th Hellgate 100 km 15:13:24 h45
04.11 50mi USA35th Mountain Masochist 50 Mile Trail Run 8:51:31 h16
14.10 50mi USA8th West Virginia Trilogy 50 Mile 12:02:39 h19
13.10 50km USA8th West Virginia Trilogy 50 km 7:32:48 h35
13.10 150km/3stages USA8th West Virginia Trilogy Stage Race 21:26:41 h17
12.08 32.5mi USA10th Martha Moats Baker Memorial 50k 8:03:00 h9
14.07 100mi USA24th Hardrock Hundred Endurance Run 43:44:56 h93
10.06 70.5mi USA38th Laurel Highlands 70 Mile Ultra 14:59:42 h18
08.04 50mi USA25th Bull Run Run 50 Miler 7:36:26 h8
11.03 50km USA12th Elizabeth's Furnace Fat Ass 50 km Race 5:49:00 h5
25.02 50km USA9th Hashawha Hills 50 km Trail Run 4:25:16 h5
2016
10.12 100km USA14th Hellgate 100 km 13:59:48 h24
05.11 50mi USA34th Mountain Masochist 50 Mile Trail Run 9:01:36 h33
22.10 50km USA3rd Patapsco Valley 50K 4:39:11 h11
06.08 100mi USA29th Angeles Crest 100 Mile 30:14:35 h82
23.07 50km USA5th Catherine's 50k Run 6:06:00 h10
11.06 50mi USA5th OSS/CIA 50 Mile Night Run 11:26:14 h6
14.05 100mi USA22nd Massanutten Mountain Trails 100 Mile 28:50:22 h48
09.04 50mi USA24th Bull Run Run 50 Miler 7:52:34 h13
12.03 50km USA11th Elizabeth's Furnace Fat Ass 50 km Race 5:27:26 h2 🥈
27.02 71mi USA11th The Reverse Ring 71-mile Run 19:38:00 h6
07.02 100km USA2nd Virginia Beach Distance Races 100k 9:22:12 h3 🥉
2015
05.12 50km USA18th Magnus Gluteus Maximus 50 km 4:47:00 h2 🥈
07.11 50mi USA33rd Mountain Masochist 50 Mile Trail Run 8:26:45 h13
12.09 50km USA2nd The Big Schloss 50K 6:02:00 h4
21.08 100mi USA3rd Rampage the Roots - 100mi 34:00:00 h5
25.07 50km USA4th Catherine's 50k Run 5:40:00 h5
06.06 100mi USA37th Old Dominion 100 Mile Endurance Run 23:43:14 h22
25.04 50km USA15th Promise Land 50K++ 5:28:57 h13
11.04 50mi USA23rd Bull Run Run 50 Miler 7:46:55 h8
14.03 50km USA10th Elizabeth's Furnace Fat Ass 50 km Race 5:40:00 h4
01.01 50km USA19th Red Eye 50km 5:29:00 h7
2014
13.12 100km USA12th Hellgate 100 km 12:43:56 h7
01.11 50mi USA32nd Mountain Masochist 50 Mile Trail Run 8:31:53 h16
11.10 100mi USA6th Oil Creek 100 Miles Trail Run 21:47:46 h5
20.09 50km USA1st The Barkley Fall Classic 8:15:02 h6
29.08 168km FRA12ème Ultra Trail Tour du Mont Blanc 39:05:48 h578
17.05 100mi USA20th Massanutten Mountain Trails 100 Mile 23:54:29 h15
26.04 24h USA11th Virginia 24 Hour Run for Cancer 144.840 km10
12.04 50mi USA22nd Bull Run Run 50 Miler 7:22:57 h7
22.03 40mi USA3rd The Mt. Tammany 10 8:59:22 h1 🏆
15.03 50km USA9th Elizabeth's Furnace Fat Ass 50 km Race 6:04:00 h8
01.02 8h USA9th 8 Hour Adventure Trail Run 80.950 km3 🥉
2013
14.12 100km USA11th Hellgate 100 km 12:55:02 h10
16.11 50mi USA4th Stone Mill 50 Mile Run 7:39:03 h3 🥉
02.11 50mi USA31st Mountain Masochist 50 Mile Trail Run 8:10:39 h15
14.09 100mi USA12th Plain 100 Mile Endurance Run 34:46:00 h7
27.07 50km USA18th Catoctin 50k Trail Run 5:53:22 h11
12.07 100mi USA20th Hardrock Hundred Endurance Run 40:02:14 h49
11.05 50km USA15th Capon Valley 50K Run 4:14:35 h1 🏆
27.04 50km USA13th Promise Land 50K++ 5:15:35 h7
13.04 50mi USA21st Bull Run Run 50 Miler 7:11:29 h9
16.03 50km USA8th Elizabeth's Furnace Fat Ass 50 km Race 7:08:00 h10
23.02 71mi USA8th The Reverse Ring 71-mile Run 19:28:00 h7
2012
03.11 50mi USA30th Mountain Masochist 50 Mile Trail Run 8:51:33 h17
07.09 100mi USA33rd Wasatch Front 100 Mile 34:09:51 h174
18.08 100mi USA30th Leadville Trail 100 Mile 29:07:02 h271
21.07 100mi USA24th Vermont 100 Mile Endurance Race 22:33:55 h82
23.06 100mi USA39th Western States 100 Mile Endurance Run 23:41:11 h128
14.04 50mi USA20th Bull Run Run 50 Miler 7:39:56 h18
24.03 50mi USA8th Bel Monte 50 Mile Endurance Run 9:10:33 h5
14.01 100mi USA12th HURT 100 Endurance Run 100 Mile 34:54:00 h37
2011
10.12 50km USA14th Magnus Gluteus Maximus 50 km 4:50:00 h4
05.11 50mi USA29th Mountain Masochist 50 Mile Trail Run 8:30:21 h14
01.10 100mi USA9th The Hot Wild Oak Trail 100 37:50:00 h1 🏆
04.06 100mi USA33rd Old Dominion 100 Mile Endurance Run 22:54:01 h25
14.05 100mi USA17th Massanutten Mountain Trails 100 Mile 29:03:50 h42
09.04 50mi USA19th Bull Run Run 50 Miler 7:39:55 h18
2010
11.12 100km USA8th Hellgate 100 km 14:03:41 h21
06.11 50mi USA28th Mountain Masochist 50 Mile Trail Run 8:11:09 h9
04.09 71.1mi USA8th The Ring 71-mile Run 22:33:00 h5
09.07 100mi USA17th Hardrock Hundred Endurance Run 40:58:00 h63
24.04 50km USA10th Promise Land 50K++ 5:34:12 h15
10.04 50mi USA18th Bull Run Run 50 Miler 7:53:37 h19
27.03 50km USA3rd Terrapin Mountain 50 km Race 4:56:05 h8
13.03 50km USA5th Elizabeth's Furnace Fat Ass 50 km Race 7:30:00 h5
13.02 50km USA15th Holiday Lake 50K++ 5:11:12 h5
01.01 50km USA14th Red Eye 50km 5:31:00 h2 🥈
2009
12.12 100km USA7th Hellgate 100 km 14:58:19 h24
07.11 50mi USA27th Mountain Masochist 50 Mile Trail Run 8:37:01 h19
01.10 100mi USA2nd Grindstone 100 Mile 29:37:28 h32
22.08 100mi USA27th Leadville Trail 100 Mile 29:00:40 h189
16.05 100mi USA15th Massanutten Mountain Trails 100 Mile 27:38:13 h27
25.04 50km USA9th Promise Land 50K++ 5:54:36 h14
18.04 50mi USA17th Bull Run Run 50 Miler 7:57:55 h13
28.03 50km USA2nd Terrapin Mountain 50 km Race 4:55:23 h4
14.03 50km USA4th Elizabeth's Furnace Fat Ass 50 km Race 6:30:00 h3 🥉
14.02 50km USA14th Holiday Lake 50K++ 7:30:01 h245
2008
13.12 100km USA6th Hellgate 100 km 13:34:27 h10
01.11 50mi USA26th Mountain Masochist 50 Mile Trail Run 8:59:38 h21
03.10 100mi USA1st Grindstone 100 Mile 24:27:26 h10
17.05 100mi USA14th Massanutten Mountain Trails 100 Mile 31:48:14 h47
26.04 50km USA8th Promise Land 50K++ 6:04:33 h24
29.03 50km USA1st Terrapin Mountain 50 km Race 4:50:28 h13
16.02 50km USA13th Holiday Lake 50K++ 4:31:12 h17
2007
08.12 100km USA5th Hellgate 100 km 14:54:06 h23
29.09 100km USA5th Great Eastern Endurance Run 100 km 13:47:59 h10
04.08 50km USA12th Catoctin 50k Trail Run 6:14:46 h13
26.05 100mi USA6th Old Dominion Memorial Day Race 100 Mile 23:25:19 h6
2004
20.11 50mi USA42nd JFK 50 Mile 7:56:23 h55