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| Name: | Posner, Kenneth |
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| Club: | |||
| Residence: | New York, NY | ||
| Year of birth: | 1963 | (Cat. german: M60) | |
| Date of birth: | 28.04.1963 | (Cat. internat.: M60) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 37785 | ||
63 search results (62 Events, 6212.716 km). (More)
| 2025 | 2 Events, 230.948 km (More) | ||||
|---|---|---|---|---|---|
| 22.-23.11.2025 | Fat Ox 24 Hour Run (USA) | 24h | |||
| 117.683 km | Posner, Kenneth | *Wallkill, NY | Overall: 3 | M: 2 | Cat M60: 1 |
| 11.-12.10.2025 | Hainesport Hundred 24 Hour Endurance Run Summer (USA) | 24h | |||
| 113.265 km | Posner, Kenneth | *Wallkill, NY | Overall: 7 | M: 6 | Cat M60: 2 |
| 2023 | 3 Events, 210.111 km (More) | ||||
| 28.-29.12.2023 | Across the Years, 24h (USA) | 24h | |||
| 99.748 km | Posner, Kenneth | *Wallkill, NY | Overall: 38 | M: 23 | Cat M60: 2 |
| 07.-08.10.2023 | Tesla Hertz Run 50 Km (USA) | 50km | |||
| 6:39:09 h | Posner, Kenneth | *Wallkill, NY | Overall: 19 | M: 14 | Cat M60: 1 |
| 05.08.2023 | Loopy Looper 12-Hour Run (USA) | 12h | |||
| 60.363 km | Posner, Kenneth | *Wallkill, NY | Overall: 48 | M: 33 | Cat M60: 1 |
| 2021 | 3 Events, 184.008 km (More) | ||||
| 31.12.2021-01.01.2022 | Hainesport Hundred 24 Hour Endurance Run (USA) | 24h | |||
| 52.646 km | Posner, Kenneth | Overall: 33 | M: 23 | Cat M55: 3 | |
| 03.07.2021 | Hainesport Hundred 12 Hour Endurance Run Summer (USA) | 12h | |||
| 81.362 km | Posner, Kenneth | *New York, NY | Overall: 3 | M: 1 | Cat M55: 1 |
| 27.03.2021 | Chicago Lakefront Spring 50km Race (USA) | 50km | |||
| 7:07:20 h | Posner, Kenneth | *New York, NY | Overall: 62 | M: 38 | Cat M55: 3 |
| 2020 | 2 Events, 131.336 km (More) | ||||
| 31.12.2020-01.01.2021 | Hainesport Hundred 24 Hour Endurance Run (USA) | 24h | |||
| 81.336 km | Posner, Kenneth | *New York, NY | Overall: 20 | M: 16 | Cat M55: 2 |
| 18.01.2020 | Knob Hills Trail Run 50km (USA) | 50km | |||
| 6:56:37 h | Posner, Kenneth | Overall: 13 | M: 8 | Cat M55: 1 | |
| 2019 | 2 Events, 100 km (More) | ||||
| 09.11.2019 | Rockledge Rumble Trail Run (USA) | 50km | |||
| 8:20:14 h | Posner, Kenneth | *New York, NY | Overall: 70 | M: 52 | Cat M55: 5 |
| 12.10.2019 | The Batona 50 Km (USA) | 50km | |||
| 7:36:33 h | Posner, Kenneth | *New York, NY | Overall: 25 | M: 22 | Cat M55: 2 |
| 2017 | 1 Event, 80.467 km (More) | ||||
| 06.05.2017 | Rock The Ridge 50-Mile Endurance Challenge (USA) | 50mi | |||
| 11:22:17 h | Posner, Kenneth | Overall: 58 | M: 38 | Cat M50: 3 | |
| 2016 | 3 Events, 230.467 km (More) | ||||
| 30.04.2016 | Rock The Ridge 50-Mile Endurance Challenge (USA) | 50mi | |||
| 9:48:00 h | Posner, Kenneth | *New York, NY | Overall: 29 | M: 25 | Cat M50: 3 |
| 06.03.2016 | Caumsett Park 50K Lloyd Neck - Championships (USA) | 50km | |||
| 3:57:34 h | Posner, Kenneth | Overall: 24 | M: 22 | Cat M50: 3 | |
| 06.02.2016 | Ordnance 100K (USA) | 100km | |||
| 11:47:23 h | Posner, Kenneth | *New York, NY | Overall: 15 | M: 14 | Cat M50: 2 |
| 2015 | 7 Events, 682.47 km (More) | ||||
| 19.12.2015 | Lookout Mountain 50 Mile Race (USA) | 50mi | |||
| 9:24:45 h | Posner, Kenneth | *New York, NY | Overall: 40 | M: 38 | Cat M50: 4 |
| 08.-09.08.2015 | Beast of Burden Summer 100 Miler (USA) | 100mi | |||
| 21:31:47 h | Posner, Kenneth | *New York, NY | Overall: 7 | M: 7 | Cat M50: 1 |
| 18.07.2015 | 12 hour Running with the Devil (USA) | 12h | |||
| 62.764 km | Posner, Kenneth | Overall: 2 | M: 2 | Cat M50: 1 | |
| 20.-21.06.2015 | Manitou's Revenge Ultramarathon (USA) | 54mi | |||
| 18:21:20 h | Posner, Kenneth | Overall: 47 | M: 40 | Cat M50: 4 | |
| 02.05.2015 | Rock The Ridge 50-Mile Endurance Challenge (USA) | 50mi | |||
| 7:17:51 h | Posner, Kenneth | *New York, NY | Overall: 8 | M: 7 | Cat M50: 1 |
| 01.03.2015 | Caumsett Park 50K Lloyd Neck - Open Race (USA) | 50km | |||
| 3:50:40 h | Posner, Kenneth | *New York, NY | Overall: 1 | M: 1 | Cat M50: 1 |
| 24.-25.01.2015 | Beast of Burden Winter 100 Miler (USA) | 100mi | |||
| 19:23:41 h | Posner, Kenneth | *New York, NY | Overall: 3 | M: 3 | Cat M50: 1 |
| 2014 | 5 Events, 497.961 km (More) | ||||
| 15.11.2014 | NYRR Knickerbocker 60K (USA) | 60km | |||
| 5:00:18 h | Posner, Kenneth | *New York, NY | Overall: 17 | M: 15 | Cat M50: 1 |
| 10.08.2014 | Catskill Mountain Road Race (CMRR) (USA) | 100km | |||
| 11:15:57 h | Posner, Kenneth | *New York, NY | Overall: 1 | M: 1 | Cat M50: 1 |
| 16.-18.05.2014 | 3 Days at the Fair 48 Hour Race - 24h Split (USA) | 24h | |||
| 149.668 km | Posner, Kenneth | *New York, NY | Overall: 9 | M: 8 | Cat M50: 1 |
| 16.-18.05.2014 | 3 Days at the Fair 48 Hour Race (USA) | 48h | |||
| 177.027 km | Posner, Kenneth | *New York, NY | Overall: 18 | M: 13 | Cat M50: 3 |
| 03.05.2014 | Rock The Ridge 50-Mile Endurance Challenge (USA) | 50mi | |||
| 8:13:04 h | Posner, Kenneth | Overall: 5 | M: 5 | Cat M50: 2 | |
| 22.02.2014 | Everglades 50 Mile Ultra Run (USA) | 50mi | |||
| 8:30:14 h | Posner, Kenneth | *New York, NY | Overall: 3 | M: 2 | Cat M50: 1 |
| 2013 | 6 Events, 598.632 km (More) | ||||
| 16.11.2013 | NYRR Knickerbocker 60K (USA) | 60km | |||
| 5:17:33 h | Posner, Kenneth | *New York, NY | Overall: 28 | M: 26 | Cat M50: 1 |
| 05.-06.10.2013 | Ted Corbitt 24-Hour Run (USA) | 24h | |||
| 166.764 km | Posner, Kenneth | *Manhattan, NY | Overall: 8 | M: 5 | Cat M50: 2 |
| 20.-21.07.2013 | Vermont 100 Mile Endurance Race (USA) | 100mi | |||
| 26:02:08 h | Posner, Kenneth | *New York, NY | Overall: 128 | M: 108 | Cat M50: 13 |
| 04.05.2013 | Rock The Ridge 50-Mile Endurance Challenge (USA) | 50mi | |||
| 8:52:40 h | Posner, Kenneth | Overall: 17 | M: 16 | Cat M50: 1 | |
| 23.03.2013 | New Jersey Ultra Festival 50 Mile Race (USA) | 50mi | |||
| 8:35:36 h | Posner, Kenneth | Overall: 8 | M: 8 | Cat M45: 1 | |
| 23.02.2013 | Febapple Frozen 50 km (USA) | 50km | |||
| 5:30:35 h | Posner, Kenneth | Overall: 15 | M: 15 | Cat M45: 3 | |
| 2012 | 4 Events, 478.195 km (More) | ||||
| 06.-07.10.2012 | Yellowstone-Teton 100 Mile Endurance Run (USA) | 100mi | |||
| 21:26:27 h | Posner, Kenneth | *New York, NY | Overall: 6 | M: 5 | Cat M45: 1 |
| 28.09.2012 | Mountain Madness 50K (USA) | 50km | |||
| 5:59:59 h | Posner, Kenneth | *New York, NY | Overall: 17 | M: 16 | Cat M45: 1 |
| 11.08.2012 | Wildcat Ridge Romp 50 km (USA) | 50km | |||
| 6:11:13 h | Posner, Kenneth | Overall: 6 | M: 5 | Cat M45: 1 | |
| 16.-18.07.2012 | Badwater Ultramarathon (USA) | 135mi | |||
| 36:51:20 h | Posner, Kenneth | *New York, NY | Overall: 42 | M: 35 | Cat M45: 12 |
| 2011 | 4 Events, 431.735 km (More) | ||||
| 19.-20.11.2011 | The Chimera 100 Mile Mountain Race (USA) | 100mi | |||
| 27:58:17 h | Posner, Kenneth | *New York, NY | Overall: 15 | M: 14 | Cat M45: 5 |
| 20.-21.08.2011 | Leadville Trail 100 Mile (USA) | 100mi | |||
| 28:49:49 h | Posner, Kenneth | *New York, NY | Overall: 241 | M: 208 | Cat M45: 37 |
| 23.07.2011 | 12 hour Running with the Devil (USA) | 12h | |||
| 59.867 km | Posner, Kenneth | *New York, NY | Overall: 8 | M: 5 | Cat M45: 1 |
| 04.06.2011 | Peak Ultra 50 Km Endurance Run (USA) | 50km | |||
| 5:51:46 h | Posner, Kenneth | Overall: 9 | M: 8 | Cat M45: 2 | |
| 2010 | 6 Events, 896.857 km (More) | ||||
| 20.11.2010 | NYRR Knickerbocker 60K (USA) | 60km | |||
| 5:58:35 h | Posner, Kenneth | *New York, NY | Overall: 70 | M: 62 | Cat M45: 3 |
| 25.-26.09.2010 | Virgil Crest 100 Mile Ultra (USA) | 100mi | |||
| 33:32:00 h | Posner, Kenneth | *New York, NY | Overall: 15 | M: 11 | Cat M45: 2 |
| 12.-14.07.2010 | Badwater Ultramarathon (USA) | 135mi | |||
| 38:07:02 h | Posner, Kenneth | *New York, NY | Overall: 35 | M: 29 | Cat M45: 3 |
| 15.-16.05.2010 | Keys100 Ultra-Marathons 100mi (USA) | 100mi | |||
| 23:44:18 h | Posner, Kenneth | *New York, NY | Overall: 11 | M: 8 | Cat M45: 2 |
| 08.05.2010 | Endurance Challenge - New York Trail 50 Miles (USA) | 50mi | |||
| 13:16:01 h | Posner, Kenneth | *New York, NY | Overall: 106 | M: 89 | Cat M45: 7 |
| 23.-25.01.2010 | Brazil 135mi Ultramaratona (BRA) | 135mi | |||
| 2d 05:10:00 h | Posner, Kenneth | *NY | Overall: 32 | M: 30 | Cat M45: 5 |
| 2009 | 3 Events, 482.802 km (More) | ||||
| 05.-06.09.2009 | Grand Teton Races 100 Miles (USA) | 100mi | |||
| 30:22:59 h | Posner, Kenneth | *New York, NY | Overall: 9 | M: 5 | Cat M45: 1 |
| 19.-20.06.2009 | Bighorn Mountain Wild & Scenic 100mi Trail Run (USA) | 100mi | |||
| 32:12:32 h | Posner, Kenneth | *New York, NY | Overall: 47 | M: 42 | Cat M45: 9 |
| 07.-08.02.2009 | Rocky Raccoon 100 Mile Trail Run (USA) | 100mi | |||
| 25:08:45 h | Posner, Kenneth | *NY | Overall: 83 | M: 67 | Cat M45: 10 |
| 2008 | 4 Events, 454.859 km (More) | ||||
| 19.-20.07.2008 | Vermont 100 Mile Endurance Race (USA) | 100mi | |||
| 25:29:31 h | Posner, Kenneth | *New York, NY | Overall: 81 | M: 66 | Cat M45: 15 |
| 14.-15.06.2008 | Laurel Highlands 70 Mile Ultra (USA) | 70.5mi | |||
| 20:28:52 h | Posner, Kenneth | *NY | Overall: 36 | M: 30 | Cat M45: 10 |
| 02.-03.02.2008 | Rocky Raccoon 50 Mile Trail Run (USA) | 50mi | |||
| 10:04:02 h | Posner, Kenneth | *New York, NY | Overall: 43 | M: 33 | Cat M40: 5 |
| 05.01.2008 | Bandera 100 km Ultratrail (USA) | 100km | |||
| 16:57:04 h | Posner, Kenneth | *New York, NY | Overall: 54 | M: 42 | Cat M40: 4 |
| 2007 | 3 Events, 260.934 km (More) | ||||
| 05.08.2007 | Katcina Mosa 100K Mountain Run (USA) | 100km | |||
| 18:21:23 h | Posner, Kenneth | *NY | Overall: 25 | M: 18 | Cat M40: 2 |
| 30.06.2007 | Finger Lakes Fifties 50 Mile Run (USA) | 50mi | |||
| 11:26:26 h | Posner, Kenneth | *New York, NY | Overall: 29 | M: 24 | Cat M40: 4 |
| 21.04.2007 | Leona Divide 50 Mile Run (USA) | 50mi | |||
| 10:48:42 h | Posner, Kenneth | Overall: 84 | M: 71 | Cat M40: 11 | |
| 2006 | 4 Events, 260.934 km (More) | ||||
| 04.11.2006 | Mountain Masochist 50 Mile Trail Run (USA) | 50mi | |||
| 11:38:43 h | Posner, Kenneth | *NY | Overall: 185 | M: 145 | Cat M40: 24 |
| 01.07.2006 | Finger Lakes Fifties 50 Mile Run (USA) | 50mi | |||
| 12:40:29 h | Posner, Kenneth | *New York, NY | Overall: 14 | M: 11 | Cat M40: 2 |
| 29.04.2006 | Promise Land 50K++ (USA) | 50km | |||
| 7:46:46 h | Posner, Kenneth | *NY | Overall: 112 | M: 82 | Cat M40: 14 |
| 14.01.2006 | Angel Island 50k (USA) | 50km | |||
| 6:03:30 h | Posner, Kenneth | *New York, NY | Overall: 16 | M: 11 | Cat M40: 4 |
Personal bests
Your list of personal best performances only contains performances of races which can be included into rankings.
In brackets rank in yearly international/national rankings.
| PB | 2025 | 2023 | 2021 | 2020 | 2019 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | |
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| 50km | 3:50:40 |
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7:07:20
(3422/336) |
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3:57:34
(1149/62) |
3:50:40
(862/46) |
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| 12h | 81.362 |
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81.362
(1372/128) |
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| 24h | 166.764 |
117.683
(2479/306) |
99.748
(3256/478) |
52.646
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81.336
(2361/512) |
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149.668
(1235/169) |
166.764
(779/78) |
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| 48h | 177.027 |
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177.027
(304/72) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2023 | 2021 | 2020 | 2019 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | ||
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| Rock The Ridge 50-Mile Endurance Challenge | 5 | 11:22:17 | 9:48:00 | 7:17:51 | 8:13:04 | 8:52:40 | ||||||||||||
| Hainesport Hundred 24 Hour Endurance Run | 3 | 113.265 | 52.646 | 81.336 | ||||||||||||||
| NYRR Knickerbocker 60K | 3 | 5:00:18 | 5:17:33 | 5:58:35 | ||||||||||||||
| 12 hour Running with the Devil | 2 | 62.764 | 59.867 | |||||||||||||||
| Finger Lakes Fifties 50 Mile Run | 2 | 11:26:26 | 12:40:29 | |||||||||||||||
| Vermont 100 Mile Endurance Race | 2 | 26:02:08 | 25:29:31 | |||||||||||||||
| Caumsett Park 50K Lloyd Neck - Open Race | 2 | 3:57:34 | 3:50:40 | |||||||||||||||
| Badwater Ultramarathon | 2 | 36:51:20 | 38:07:02 |