Ruud Kok
Born : 1956 Cat. M70 Ultrarunner since 2003 NED
36
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
6
Countries visited ?AUTAustriaBELBelgiumGERGermanyITAItalyNEDNetherlandsSUISwitzerland
72,7%
Rank quotient ?This runner's calculation uses 36 eligible race(s): Σ(rank − 1) = 7 747; Σ finishers = 10 655. 7 747 / 10 655 × 100 = 72.71%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed68
Km — ultra races3 262 km
> 100 km6
> 160 km5
> 200 km4
Longest race422,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road3,2%
Trail53,7%
Stage43,1%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0

HISTORY

36 race(s)
DateRacePerf.Rk
2019
10.08 50km BEL10ème Trail des Fantomes 50km 9:38:08 h148
2018
07.07 45.6km SUI7. Zermatt Ultra Marathon 7:08:14 h414
30.06 63km AUTStubai Ultratrail - urban2glacier 16:18:14 h187
2016
04.09 247km/7stages GER12. Goretex TransAlpine-Run 2d 03:18:28 h373
17.07 50km BELLa Chouffe Trail 7:38:52 h113
2015
06.04 60km NED13e De Zestig van Texel 6:50:55 h360
2014
19.07 101km SUI2. Eiger Ultra Trail 101 km 25:51:59 h339
17.05 50km NED30e Eemlake Run (Eemmeerloop) 3:59:58 h5
11.05 80km BEL5ème La Grimace du Grand Georges Trail 80 km 10:10:15 h25
29.03 55km BEL3ème Trail des Crêtes de Spa 6:48:52 h173
08.03 75km NED3. SallandTrail 75km 7:49:12 h17
2013
08.12 50km BELHouffatrail 7:33:21 h125
17.08 50km BEL4ème Trail des Fantomes 50 km 7:50:47 h110
10.07 163.6km/4stages GERSalomon 4 Trails Etappenlauf 34:26:37 h346
23.06 52km NED52 km Veluwezoom Trail 5:00:07 h45
01.04 60km NED12e De Zestig van Texel 5:51:18 h123
09.03 50km NED2. SallandTrail 50km 5:19:29 h40
2012
12.08 56km GER1. Monschau Ultra-Marathon 5:13:07 h45
05.08 50km ITA2^ TerraAcquaCielo Wildtrail 11:50:10 h133
28.07 79.4km SUI27. Swiss Alpine Marathon 10:49:11 h728
31.03 51km BEL1ère Trail des Crêtes de Spa 6:14:53 h136
2011
03.09 273km/8stages GER7. Goretex TransAlpine-Run 2d 08:35:32 h525
26.06 50km NED50 km Veluwezoom Trail 5:59:15 h80
25.04 60km NED11e De Zestig van Texel 6:34:55 h149
2010
20.06 50km NED50 km Veluwezoom Trail 5:29:04 h59
08.05 50km NED26e Eemlake Run (Eemmeerloop) 4:09:12 h12
2009
24.07 422km/10stages NEDHondsrug Marathon 10-daagse 36:27:41 h1 🏆
05.07 50km NED2. Ultraloop 50 van Assen 4:20:52 h18
13.04 60km NED10e De Zestig van Texel 5:34:53 h58
2008
30.08 300km/8stages GER4. Goretex TransAlpine-Run 2d 00:45:39 h137
26.07 78km SUI23. Swiss Alpine Marathon 10:43:37 h664
2007
09.04 60km NED9e De Zestig van Texel 6:17:42 h146
2005
30.07 78km SUI20. Swiss Alpine Marathon 11:19:43 h952
2004
28.11 64km BEL9ème Olne-Spa-Olne 8:26:35 h186
31.07 78km SUI19. Swiss Alpine Marathon 11:23:49 h805
2003
24.05 50km NED19e Eemlake Run (Eemmeerloop) 4:51:50 h6