Jo Pfeifer
ID 1892
Born : 1947 Cat. M75 Ultrarunner since 1991 NED
36
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
38
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
3
Countries visited ?BELBelgiumGERGermanyNEDNetherlands
46,3%
Rank quotient ?This runner's calculation uses 36 eligible race(s): Σ(rank − 1) = 2 062; Σ finishers = 4 458. 2 062 / 4 458 × 100 = 46.25%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36
Km — ultra races2 243 km
Longest race100,0 km
Trail des Menhirs 100 km — 18/5/2002

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road58,4%
Trail41,6%

Records

50 km4h03'41100 km12h35'256 h68,90 km

HISTORY

40 race(s) · 6 split(s) nested
DateRacePerf.Rk
2006
18.02 6h BEL6 uur van Zolder 54.180 km62
2005
06.03 6h NED10de Zes uurs ultraloop Stein 64.947 km47
2004
24.04 50km NEDFIFTY/fifty Race Cranendonck 4:53:37 h8
07.03 50km NED9de Zes uurs ultraloop Stein - 50km Split 4:22:24 h57
07.03 6h NED9de Zes uurs ultraloop Stein 65.142 km66
14.02 50km BELDe 50 km van Zolder 4:40:16 h66
2003
23.11 64km BEL8ème Olne-Spa-Olne 6:42:37 h70
08.02 50km BELDe 50 km van Zolder 4:49:15 h66
2002
18.05 100km BELTrail des Menhirs 100 km 12:35:25 h40
03.03 50km NED7de Zes uurs ultraloop Stein - 50km Split 4:25:25 h84
03.03 6h NED7de Zes uurs ultraloop Stein 64.174 km88
09.02 50km BELDe 50 km van Zolder 4:19:16 h41
2001
25.11 64km BEL6ème Olne-Spa-Olne 7:33:38 h102
02.06 100km BELLa Fagna Run 12:54:20 h50
19.05 74.5km GER29. GutsMuths-Rennsteiglauf 8:04:32 h448
11.03 50km NED6de Zes uurs ultraloop Stein - 50km Split 4:41:37 h94
11.03 6h NED6de Zes uurs ultraloop Stein 62.464 km88
17.02 50km BELDe 50 km van Zolder 4:12:09 h59
27.01 50km GER2. 50km-Ultramarathon des RLT Rodgau 4:24:16 h41
2000
30.12 50km NED50 km Soerendonck (Fat Ass Fifty) 4:25:56 h24
26.11 64km BEL5ème Olne-Spa-Olne 6:55:58 h63
1999
07.03 6h NED4de Zes uurs ultraloop Stein 67.558 km37
1998
01.03 6h NED3de Zes uurs ultraloop Stein 62.464 km63
1997
09.11 62.5km NED20e Ultraloop om de Haarlemmermeer 5:18:33 h31
12.04 6h BEL6 uur van Zolder 66.593 km12
02.03 6h NED2de Zes uurs ultraloop Stein 64.816 km32
1996
03.03 6h NED1ste Zes uurs ultraloop Stein 66.541 km28
1995
12.11 61km NED18e Ultraloop om de Haarlemmermeer 5:26:08 h51
01.10 6h NED6h Ultraloop Amersfoort 66.031 km4
28.05 50km BELDe 50 km van Kluisbergen 4:22:39 h69
19.03 50km GER4. 50 km Lauf Eschollbrücken 4:03:41 h21
1994
13.11 61km NED17e Ultraloop om de Haarlemmermeer 5:21:56 h49
01.10 6h NED6h Ultraloop Amersfoort 68.900 km4
13.03 60km GER2. 60 km Marburg 4:47:15 h14
13.03 50km GER2. 60 km Marburg - 50 km Split 3:52:52 h14
1993
02.10 6h NED6h Ultraloop Amersfoort 66.400 km4
12.04 60km NED2e De Zestig van Texel 5:49:17 h62
1992
08.11 61km NED15e Ronde om de Haarlemmermeer 5:20:49 h56
24.07 60km GER6. 60km-Lauf des VfL Euerbach 4:49:54 h47
1991
10.11 61km NED14e Schipholloop 5:35:30 h85