Ruud Jakobs
ID 1086
Born : 1962 Cat. M60 Ultrarunner since 1998 NED
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
52
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 ?BELBelgiumGERGermanyNEDNetherlandsSUISwitzerland
88,2%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 3 836; Σ finishers = 4 351. 3 836 / 4 351 × 100 = 88.16%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races3 434 km
> 100 km9
> 160 km3
> 200 km3
> 24h11
> 48h3
Longest race445,2 km
6-Tage-Lauf Erkrath — 31/7/2005

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road84,0%
Trail16,0%

Records

50 km5h17'236 h56,70 km24 h157,39 km6 d445,19 km

HISTORY

39 race(s)
DateRacePerf.Rk
2009
18.04 60km NEDCastricum 60 km 8:36:00 h23
21.03 70km NED3e Limburgs Zwaarste 70 km 9:47:14 h63
2007
11.11 50km GER7. Troisdorfer 6h-Lauf - 50km Split 5:51:23 h123
11.11 6h GER7. Troisdorfer 6h-Lauf 51.466 km116
29.07 48h GER6-Tage-Lauf Erkrath - 48h Split 150.931 km37
29.07 6d GER6-Tage-Lauf Erkrath 424.770 km34
18.05 24h NED28e 24 uurs Apeldoorn 67.762 km51
17.03 68km NED1e Limburgs Zwaarste 68 km 9:58:32 h27
04.03 6h NED12de Zes uurs ultraloop Stein 53.390 km101
2006
01.04 24h NED24 uurs ultraloop Stein 88.704 km62
2005
31.07 48h GER6-Tage-Lauf Erkrath - 48h Split 158.940 km30
31.07 6d GER6-Tage-Lauf Erkrath 445.189 km27
16.07 24h GER17. 24-Stunden-Self-Transcendence-Lauf Köln 110.409 km48
06.05 24h NED26e 24 uurs Apeldoorn 105.386 km35
2004
14.11 6h GER4. Troisdorfer 6h-Lauf 48.793 km149
01.08 24h GER6-Tage-Lauf Erkrath - 24h Split 84.475 km25
01.08 6d GER6-Tage-Lauf Erkrath 425.978 km25
01.08 48h GER6-Tage-Lauf Erkrath - 48h Split 142.925 km26
09.07 24h GER16. 24-Stunden-Self-Transcendence-Lauf Köln 157.390 km13
26.06 6h NED6 uren van de Haarlemmermeer 53.504 km26
21.05 24h NED25e 24 uurs Apeldoorn 129.775 km42
25.04 50km NEDfifty/FIFTY Race Cranendonck 6:08:17 h15
24.04 50km NEDFIFTY/fifty Race Cranendonck 6:06:24 h22
07.03 50km NED9de Zes uurs ultraloop Stein - 50km Split 5:18:42 h161
07.03 6h NED9de Zes uurs ultraloop Stein 56.695 km145
14.02 50km BELDe 50 km van Zolder 5:17:23 h81
2003
30.05 24h NED24e 24 uurs Apeldoorn 117.077 km29
11.05 6h NED5e Zes uurloop Breda ValkenbergRUN 56.493 km41
21.04 60km NED7e De Zestig van Texel 7:24:00 h162
09.03 6h NED8de Zes uurs ultraloop Stein 53.526 km136
2002
10.05 24h NED23e 24 uurs Apeldoorn 128.903 km39
31.03 77km NEDJan Knippenberg Memorial 50 EM 10:59:47 h14
03.03 50km NED7de Zes uurs ultraloop Stein - 50km Split 5:37:54 h194
03.03 6h NED7de Zes uurs ultraloop Stein 53.607 km176
2001
04.11 50km GER3. 50 km-Ultramarathon in Bottrop 5:29:10 h161
21.10 60km NED6e De Zestig van Texel 7:12:27 h69
13.05 6h NED3e Zes uurloop Breda ValkenbergRUN 54.195 km49
1999
31.07 78km SUI14. Swiss Alpine Marathon 11:43:43 h841
1998
25.07 78km SUI13. Swiss Alpine Marathon 11:58:21 h1046