Frederik Dennis Koors
ID 37013
Born : 1972 Cat. M50 Ultrarunner since 2005 DEN
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
2
Countries visited ?FRAFranceUSAUnited States
47,6%
Rank quotient ?This runner's calculation uses 60 eligible race(s): Σ(rank − 1) = 7 076; Σ finishers = 14 864. 7 076 / 14 864 × 100 = 47.60%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed60
Km — ultra races4 931 km
> 100 km12
> 160 km11
> 200 km1
> 24h1
Longest race217,3 km
23rd Badwater Ultramarathon — 13/7/2009

Km per year (ultra races)

50
1 race
2022
50
1 race
2023
130
2 races
2024
150
2 races
2025
50
1 race
2026

Race types (share of distance)

Road13,5%
Trail86,5%

Records

50 km4h29'50100 km16h13'3050 mi9h10'56100 mi23h29'4124 h128,75 km

HISTORY

61 race(s)
DateRacePerf.Rk
2026
06.06 50km USA37th Shadow of the Giants 50K 5:32:03 h18
2025
07.06 50km USA36th Shadow of the Giants 50K 5:23:10 h23
26.04 100km USA12th The Canyons Endurance 100 km Run 16:13:30 h287
2024
08.06 50km USA35th Shadow of the Giants 50K 5:28:37 h20
18.05 50mi USA12th Bryce 50 Mile Trail Run 12:33:38 h37
2023
14.10 50km USA13th Kodiak Ultra Marathons by UTMB - 50K 6:41:22 h108
2022
11.06 50km USA33th Shadow of the Giants 50K 5:37:26 h11
2021
11.09 50mi USA3rd Olympic Mountains 50 Mile Race 12:58:21 h18
12.06 50km USA32th Shadow of the Giants 50K 5:31:15 h7
2019
30.08 171km FRA17ème Ultra Trail Tour du Mont Blanc 44:31:22 h1243
08.06 50km USA30th Shadow of the Giants 50K 5:01:12 h21
2018
09.06 50km USA29th Shadow of the Giants 50K 5:41:18 h42
2017
01.09 167.7km FRA15ème Ultra Trail Tour du Mont Blanc 43:19:22 h1208
03.06 50km USA28th Shadow of the Giants 50K 5:01:44 h22
2016
11.06 50km USA27th Shadow of the Giants 50K 4:40:14 h17
2015
28.08 170km FRA13ème Ultra Trail Tour du Mont Blanc 42:13:42 h969
06.06 50km USA26th Shadow of the Giants 50K 4:29:50 h8
2014
23.08 50km USA23rd Bulldog 50k Ultra Run 5:08:58 h32
07.06 50km USA25th Shadow of the Giants 50K 5:08:48 h29
26.04 50mi USA22nd Leona Divide 50 Mile Run 10:31:12 h85
2013
30.08 168km FRA11ème Ultra Trail Tour du Mont Blanc 41:49:22 h958
08.06 50km USA24th Shadow of the Giants 50K 5:14:55 h22
18.05 50mi USA20th Bishop High Sierra Ultramarathons 50 Miles 11:06:56 h25
2012
25.08 50km USA21st Bulldog 50k Ultra Run 5:18:31 h35
28.04 50mi USA20th Leona Divide 50 Mile Run 10:06:45 h79
2011
26.08 166km FRA9ème Ultra Trail Tour du Mont Blanc 41:33:10 h599
04.06 50km USA22nd Shadow of the Giants 50K 4:41:29 h13
30.04 50mi USA19th Leona Divide 50 Mile Run 10:03:58 h101
2010
06.11 100mi USA3rd Mother Road 100 Mile 26:19:56 h64
05.06 50km USA21st Shadow of the Giants 50K 5:17:24 h13
17.04 50mi USA18th Leona Divide 50 Mile Run 9:33:03 h43
07.03 50km USA3rd Malibu Creek Trail Run 5:35:49 h12
16.01 50mi USA30th Avalon Benefit 50-Mile Run 9:10:56 h29
2009
22.08 50km USA18th Bulldog 50k Ultra Run 5:30:12 h39
08.08 50km USA5th Angeles National Forest 50k Trail Race 6:34:46 h50
13.07 131mi USA23rd Badwater Ultramarathon - 131mi Split and Finish 38:52:00 h41
13.07 135mi USA23rd Badwater Ultramarathon 40:13:36 h36
23.05 24h USA1st Nanny Goat 24 Hour Race 128.748 km7
16.05 50mi USA16th Bishop High Sierra Ultramarathons 50 Miles 11:03:29 h15
18.04 50mi USA17th Leona Divide 50 Mile Run 9:45:05 h36
28.03 50mi USA3rd Old Goat's 50 Mile Trail Race 12:17:58 h45
08.03 50km USA2nd Malibu Creek Trail Run 5:43:53 h8
17.01 50mi USA29th Avalon Benefit 50-Mile Run 9:53:33 h47
2008
08.11 100mi USA2nd Mother Road 100 Mile 23:29:41 h36
13.09 100mi USA22nd Angeles Crest 100 Mile 30:18:09 h60
23.08 50km USA17th Bulldog 50k Ultra Run 5:13:52 h23
09.08 50mi USA4th Angeles National Forest 50Mile Trail Race 11:11:57 h31
19.04 50mi USA16th Leona Divide 50 Mile Run 9:58:01 h68
06.04 50km USA1st Malibu Creek Trail Run 5:26:48 h10
20.01 50km USA4th Calico Trail Run 50 km 5:29:55 h26
2007
18.11 50km USA3rd Santa Monica Mountains 50 km 5:33:33 h9
15.09 100mi USA21st Angeles Crest 100 Mile 32:10:48 h79
25.08 50km USA16th Bulldog 50k Ultra Run 5:21:41 h34
02.06 50km USA18th Shadow of the Giants 50K 6:11:34 h19
21.04 50mi USA15th Leona Divide 50 Mile Run 9:58:12 h52
14.01 50km USA3rd Calico Trail Run 50 km 5:21:19 h15
2006
21.10 100mi USA5th San Diego 100 Mile Endurance Run 28:33:00 h31
26.08 50km USA15th Bulldog 50k Ultra Run 5:44:59 h46
03.06 50km USA17th Shadow of the Giants 50K 6:03:42 h15
22.04 50mi USA14th Leona Divide 50 Mile Run 10:18:14 h71
2005
27.08 50km USA14th Bulldog 50k Ultra Run 6:03:41 h30