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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Koors, Frederik Dennis   Submit Personal Website Send Link 
Club:  
Residence: Oak Park, CA, USA
Year of birth: 1972 (Cat. german: M50)
Date of birth: 00.00.0000 (Cat. internat.: M50)
Nationality: DEN DEN Denmark
RunnerID: 37013
 

60 search results (59 Events, 4880.851 km).  (More)

2025 2 Events, 150 km  (More)
07.06.2025 Shadow of the Giants 50K (USA) 50km
5:23:10 h Koors, Frederik Dennis *Oak Park, CA  Overall: 23 M: 19 Cat M50: 2
26.-27.04.2025 The Canyons Endurance 100 Km Run (USA) 100km
16:13:30 h Koors, Frederik Dennis   Overall: 287 M: 232 Cat M50: 14
2024 2 Events, 130.467 km  (More)
08.06.2024 Shadow of the Giants 50K (USA) 50km
5:28:37 h Koors, Frederik Dennis *Westlake Village, CA  Overall: 20 M: 18 Cat M50: 2
18.05.2024 Bryce 50 Mile Trail Run (USA) 50mi
12:33:35 h Koors, Frederik Dennis *Oak Park, CA  Overall: 37 M: 28 Cat M50: 1
2023 1 Event, 50 km  (More)
14.10.2023 Kodiak Ultra Marathons by UTMB - 50K (USA) 50km
6:41:22 h Koors, Frederik Dennis   Overall: 108 M: 72 Cat M50: 2
2022 1 Event, 50 km  (More)
11.06.2022 Shadow of the Giants 50K (USA) 50km
5:37:26 h Koors, Frederik Dennis *Westlake Village, CA  Overall: 11 M: 9 Cat M45: 1
2021 2 Events, 130.467 km  (More)
11.09.2021 Olympic Mountains 50 Mile Race (USA) 50mi
12:58:21 h Koors, Frederik Dennis *Westlake Village, CA  Overall: 18 M: 13 Cat M45: 3
12.06.2021 Shadow of the Giants 50K (USA) 50km
5:31:15 h Koors, Frederik Dennis *Oak Park, CA  Overall: 7 M: 5 Cat M45: 2
2019 2 Events, 221 km  (More)
30.08.-01.09.2019 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 171km
44:31:22 h Koors, Frederik Dennis *Oak Park  Overall: 1243 M: 1146 Cat M45: 236
08.06.2019 Shadow of the Giants 50K (USA) 50km
5:01:12 h Koors, Frederik Dennis *Oak Park, CA  Overall: 21 M: 17 Cat M45: 6
2018 1 Event, 50 km  (More)
09.06.2018 Shadow of the Giants 50K (USA) 50km
5:41:18 h Koors, Frederik Dennis *Oak Park, CA  Overall: 42 M: 31 Cat M45: 8
2017 2 Events, 217.7 km  (More)
01.-03.09.2017 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 167.7km
43:19:22 h Koors, Frederik Dennis *Oak Park  Overall: 1208 M: 1110 Cat M40: 285
03.06.2017 Shadow of the Giants 50K (USA) 50km
5:01:44 h Koors, Frederik Dennis *Oak Park, CA  Overall: 22 M: 17 Cat M40: 2
2016 1 Event, 50 km  (More)
11.06.2016 Shadow of the Giants 50K (USA) 50km
4:40:14 h Koors, Frederik Dennis   Overall: 17 M: 16 Cat M40: 4
2015 2 Events, 220 km  (More)
28.-30.08.2015 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 170km
42:13:42 h Koors, Frederik Dennis *Oak Park  Overall: 969 M: 900 Cat M40: 230
06.06.2015 Shadow of the Giants 50K (USA) 50km
4:29:50 h Koors, Frederik Dennis   Overall: 8 M: 8 Cat M40: 3
2014 3 Events, 180.467 km  (More)
23.08.2014 Bulldog 50k Ultra Run (USA) 50km
5:08:58 h Koors, Frederik Dennis *Oak Park, CA  Overall: 32 M: 27 Cat M40: 7
07.06.2014 Shadow of the Giants 50K (USA) 50km
5:08:48 h Koors, Frederik Dennis   Overall: 29 M: 23 Cat M40: 5
26.04.2014 Leona Divide 50 Mile Run (USA) 50mi
10:31:12 h Koors, Frederik Dennis   Overall: 85 M: 71 Cat M40: 13
2013 3 Events, 298.467 km  (More)
30.08.-01.09.2013 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 168km
41:49:22 h Koors, Frederik Dennis   Overall: 958 M: 895 Cat M40: 220
08.06.2013 Shadow of the Giants 50K (USA) 50km
5:14:55 h Koors, Frederik Dennis   Overall: 22 M: 16 Cat M40: 6
18.05.2013 Bishop High Sierra Ultramarathons 50 Miles (USA) 50mi
11:06:56 h Koors, Frederik Dennis   Overall: 25 M: 18 Cat M40: 6
2012 2 Events, 130.467 km  (More)
25.08.2012 Bulldog 50k Ultra Run (USA) 50km
5:18:31 h Koors, Frederik Dennis   Overall: 35 M: 29 Cat M35: 5
28.04.2012 Leona Divide 50 Mile Run (USA) 50mi
10:06:45 h Koors, Frederik Dennis *CA, USA  Overall: 79 M: 62 Cat M35: 9
2011 3 Events, 296.467 km  (More)
26.-28.08.2011 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 166km
41:33:10 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 599 M: 560 Cat M35: 127
04.06.2011 Shadow of the Giants 50K (USA) 50km
4:41:29 h Koors, Frederik Dennis   Overall: 13 M: 12 Cat M35: 5
30.04.2011 Leona Divide 50 Mile Run (USA) 50mi
10:03:58 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 101 M: 83 Cat M35: 13
2010 5 Events, 421.868 km  (More)
06.-07.11.2010 Mother Road 100 Mile (USA) 100mi
26:19:56 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 64 M: 53 Cat M35: 8
05.06.2010 Shadow of the Giants 50K (USA) 50km
5:17:24 h Koors, Frederik Dennis   Overall: 13 M: 10 Cat M35: 4
17.04.2010 Leona Divide 50 Mile Run (USA) 50mi
9:33:03 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 43 M: 34 Cat M35: 10
07.03.2010 Malibu Creek Trail Run (USA) 50km
5:35:49 h Koors, Frederik Dennis *Oak Park, CA  Overall: 12 M: 10 Cat M35: 2
16.01.2010 Avalon Benefit 50-Mile Run (USA) 50mi
9:10:56 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 29 M: 22 Cat M35: 8
2009 9 Events, 817.877 km  (More)
22.08.2009 Bulldog 50k Ultra Run (USA) 50km
5:30:12 h Koors, Frederik Dennis   Overall: 39 M: 32 Cat M35: 7
08.08.2009 Angeles National Forest 50k Trail Race (USA) 50km
6:34:46 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 50 M: 39 Cat M35: 9
13.-15.07.2009 Badwater Ultramarathon - 131mi Split and Finish (USA) 131mi
38:52:00 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 41 M: 31 Cat M35: 4
13.-15.07.2009 Badwater Ultramarathon (USA) 135mi
40:13:36 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 36 M: 28 Cat M35: 4
23.-24.05.2009 Nanny Goat 24 Hour Race (USA) 24h
128.748 km Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 7 M: 7 Cat M35: 1
16.05.2009 Bishop High Sierra Ultramarathons 50 Miles (USA) 50mi
11:03:29 h Koors, Frederik Dennis *Oak Park, CA  Overall: 15 M: 13 Cat M35: 3
18.04.2009 Leona Divide 50 Mile Run (USA) 50mi
9:45:05 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 36 M: 27 Cat M35: 7
28.03.2009 Old Goat's 50 Mile Trail Race (USA) 50mi
12:17:58 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 45 M: 40 Cat M35: 4
08.03.2009 Malibu Creek Trail Run (USA) 50km
5:43:53 h Koors, Frederik Dennis *Oak Park, CA  Overall: 8 M: 7 Cat M35: 1
17.01.2009 Avalon Benefit 50-Mile Run (USA) 50mi
9:53:33 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 47 M: 36 Cat M35: 8
2008 7 Events, 632.802 km  (More)
08.-09.11.2008 Mother Road 100 Mile (USA) 100mi
23:29:41 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 36 M: 34 Cat M35: 6
13.-14.09.2008 Angeles Crest 100 Mile (USA) 100mi
30:18:09 h Koors, Frederik Dennis *Oak Park, CA  Overall: 60 M: 55 Cat M35: 8
23.08.2008 Bulldog 50k Ultra Run (USA) 50km
5:13:52 h Koors, Frederik Dennis   Overall: 23 M: 21 Cat M35: 2
09.08.2008 Angeles National Forest 50Mile Trail Race (USA) 50mi
11:11:57 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 31 M: 28 Cat M35: 6
19.04.2008 Leona Divide 50 Mile Run (USA) 50mi
9:58:01 h Koors, Frederik Dennis   Overall: 68 M: 56 Cat M35: 11
06.04.2008 Malibu Creek Trail Run (USA) 50km
5:26:48 h Koors, Frederik Dennis *Oak Park, CA  Overall: 10 M: 9 Cat M35: 1
20.01.2008 Calico Trail Run 50 km (USA) 50km
5:29:55 h Koors, Frederik Dennis *Oak Park, CA  Overall: 26 M: 21 Cat M35: 4
2007 6 Events, 441.401 km  (More)
18.11.2007 Santa Monica Mountains 50 km (USA) 50km
5:33:33 h Koors, Frederik Dennis *Oak Park, CA  Overall: 9 M: 9 Cat M23: 4
15.-16.09.2007 Angeles Crest 100 Mile (USA) 100mi
32:10:48 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 79 M: 74 Cat M23: 23
25.08.2007 Bulldog 50k Ultra Run (USA) 50km
5:21:41 h Koors, Frederik Dennis   Overall: 34 M: 27 Cat M23: 9
02.06.2007 Shadow of the Giants 50K (USA) 50km
6:11:34 h Koors, Frederik Dennis   Overall: 19 M: 17 Cat M23: 2
21.04.2007 Leona Divide 50 Mile Run (USA) 50mi
9:58:12 h Koors, Frederik Dennis   Overall: 52 M: 45 Cat M23: 10
14.01.2007 Calico Trail Run 50 km (USA) 50km
5:21:19 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 15 M: 14 Cat M23: 3
2006 4 Events, 341.401 km  (More)
21.-22.10.2006 San Diego 100 Mile Endurance Run (USA) 100mi
28:33:00 h Koors, Frederik Dennis *Oak Park, CA, USA  Overall: 31 M: 26 Cat M23: 11
26.08.2006 Bulldog 50k Ultra Run (USA) 50km
5:44:59 h Koors, Frederik Dennis   Overall: 46 M: 41 Cat M23: 9
03.06.2006 Shadow of the Giants 50K (USA) 50km
6:03:42 h Koors, Frederik Dennis   Overall: 15 M: 14 Cat M23: 6
22.04.2006 Leona Divide 50 Mile Run (USA) 50mi
10:18:14 h Koors, Frederik Dennis   Overall: 71 M: 61 Cat M23: 18
2005 1 Event, 50 km  (More)
27.08.2005 Bulldog 50k Ultra Run (USA) 50km
6:03:41 h Koors, Frederik Dennis   Overall: 30 M: 26 Cat M23: 10

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 2024 2023 2022 2021 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005
Shadow of the Giants 50K 15 5:23:10 5:28:37   5:37:26 5:31:15 5:01:12 5:41:18 5:01:44 4:40:14 4:29:50 5:08:48 5:14:55   4:41:29 5:17:24     6:11:34 6:03:42  
Leona Divide 50 Mile Run 8                     10:31:12   10:06:45 10:03:58 9:33:03 9:45:05 9:58:01 9:58:12 10:18:14  
Bulldog 50k Ultra Run 7                     5:08:58   5:18:31     5:30:12 5:13:52 5:21:41 5:44:59 6:03:41
Ultra Trail Tour du Mont Blanc (UTMB) 5           44:31:22   43:19:22   42:13:42   41:49:22   41:33:10            
Malibu Creek Trail Run 3                             5:35:49 5:43:53 5:26:48      
Avalon Benefit 50-Mile Run 2                             9:10:56 9:53:33        
Bishop High Sierra Ultramarathons 50 Miles 2                       11:06:56       11:03:29        
Calico Trail Run 50 km 2                                 5:29:55 5:21:19    
Mother Road 100 Mile 2                             26:19:56   23:29:41      
Angeles Crest 100 Mile 2                                 30:18:09 32:10:48