William Verdonck
ID 2648
Born : 1944 Cat. M80 Ultrarunner since 1983 BEL
60
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
81
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 ?BELBelgiumFRAFranceGREGreeceNEDNetherlands
38,5%
Rank quotient ?This runner's calculation uses 75 eligible race(s): Σ(rank − 1) = 1 559; Σ finishers = 4 046. 1 559 / 4 046 × 100 = 38.53%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed75
Km — ultra races10 439 km
> 100 km34
> 160 km29
> 200 km23
> 24h28
> 48h5
Longest race359,4 km
9ème des 48 heures pédestres de Surgères — 7/5/1993

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road77,7%
Trail20,1%
?2,2%

Wins & podiums (ultra)

🏆 Win6
🏆 Win M6
🏅 Top 316
🏅 Top 3 M15
Longest winning streak1
Current streak0

Records

50 km3h55'22100 km7h08'546 h79,95 km12 h80,69 km24 h233,49 km48 h359,42 km6 d229,80 km

HISTORY

78 race(s) · 7 split(s) nested
DateRacePerf.Rk
2010
11.07 6h BEL1° 6 uren ultra-loop in Aalter 51.125 km39
2005
28.03 60km NED8e De Zestig van Texel 5:50:55 h126
19.03 63.5km NEDBinnenmaas-non-stop 5:59:31 h11
13.02 50km NED50 km Soerendonck (Fat Ass Fifty) 4:48:27 h35
2004
07.03 50km NED9de Zes uurs ultraloop Stein - 50km Split 4:40:55 h101
07.03 6h NED9de Zes uurs ultraloop Stein 60.918 km110
14.02 50km BELDe 50 km van Zolder 4:31:58 h56
2003
15.11 50km NEDFIFTY/fifty Race Cranendonck 4:23:16 h10
16.08 6h BEL6 uur van Welden 45.020 km27
28.06 6h NED6 uren van de Haarlemmermeer 60.433 km20
11.05 6h NED5e Zes uurloop Breda ValkenbergRUN 63.617 km22
2002
27.09 245.3km GRE20. Spartathlon 35:28:10 h78
21.06 100km BELIAU 100km WC Torhout (23. Nacht van Vlaanderen) 9:57:54 h164
12.05 6h NED4e Zes uurloop Breda ValkenbergRUN 67.772 km7
20.04 6h BEL6 heures de Besonrieux 68.570 km12
03.03 50km NED7de Zes uurs ultraloop Stein - 50km Split 4:04:49 h34
03.03 6h NED7de Zes uurs ultraloop Stein 69.074 km43
09.02 50km BELDe 50 km van Zolder 4:15:24 h36
2000
19.08 12h NED12 uur Ultramarathon Cranendonck 55.585 km25
04.06 50km BELDe 50 km van Kluisbergen 4:13:03 h29
01.04 6h BEL6 heures de Besonrieux 65.305 km19
1999
27.03 6h BEL6 uur van Zolder 72.938 km7
07.03 6h NED4de Zes uurs ultraloop Stein 72.727 km17
1998
28.03 6h BEL6 uur van Zolder 61.773 km42
1997
19.07 12h NED3de 12 Uur Geldrop 80.688 km22
25.05 6h BEL6 heures de Besonrieux 75.040 km3 🥉
11.05 50km BELDe 50 km van Kluisbergen 4:04:22 h22
26.04 24h FRA24h de Evreux 214.486 km3 🥉
1996
29.06 24h BEL12. 24 uren van Izegem 182.575 km7
21.06 100km BEL17. Nacht van Vlaanderen, 100km Torhout 9:11:07 h45
06.06 50km BELDe 50 km van Kluisbergen 3:55:22 h9
25.05 6h BELDe 6 uur van Herne 72.300 km1 🏆
12.05 6h BELDe Zes Uren van Gistel 45.242 km66
1994
06.05 48h FRA10ème des 48 heures pédestres de Surgères 327.828 km8
1993
28.10 6d FRALes Six Jours de La Rochelle 229.800 km15
24.09 245.3km GRE11. Spartathlon 33:32:11 h17
03.07 24h BEL9. 24 uren van Izegem 191.410 km6
05.06 24h FRA24H de l'été Saultain 56.000 km27
29.05 6h BEL6-uursloop van Geel 72.935 km13
07.05 48h FRA9ème des 48 heures pédestres de Surgères 359.423 km4
1992
25.09 245.3km GRE10. Spartathlon 34:23:29 h28
29.08 24h BEL24 uren van Torhout 218.581 km5
23.08 24h BEL24 uur Jabbeke 122.407 km15
04.07 24h BEL8. 24 uren van Izegem 201.729 km4
29.05 24h NED1st IAU 24h EC Apeldoorn (14e 24 uurs Apeldoorn) 209.618 km19
08.05 48h FRA8ème des 48 heures pédestres de Surgères 353.669 km4
1991
27.09 245.3km GRE9. Spartathlon 32:11:27 h7
29.06 24h BEL7. 24 uren van Izegem 154.931 km9
07.05 48h FRA7ème des 48 heures pédestres de Surgères 335.501 km9
1990
13.10 24h BEL5. 24 uren van Heusden 160.102 km13
28.09 245.3km GRE8. Spartathlon 30:47:28 h10
18.08 24h BEL24 uur Jabbeke 197.615 km4
04.08 24h BEL24 uren van Torhout 214.785 km2 🥈
30.06 24h BEL6. 24 uren van Izegem 222.209 km1 🏆
02.06 24h NED12e 24 uurs Apeldoorn 225.911 km5
1989
29.09 245.3km GRE7. Spartathlon 30:45:54 h10
01.01 24h BEL24 uur Jabbeke 188.000 km2 🥈
1988
15.10 24h BEL3. 24 uren van Heusden 233.492 km1 🏆
01.05 6h BEL6-uursloop van Geel 79.950 km2 🥈
23.04 100km BELLes 100 km de Ransart 7:51:03 h3 🥉
1987
14.11 24h FRA9ème 24 heures de Niort 129.250 km81
17.10 24h BEL2. 24 uren van Heusden 215.731 km2 🥈
28.03 100km BEL100km Stabroek 8:02:02 h2 🥈
1986
15.11 100km FRALes 24 heures d'Arcueil - 100 km Split 8:58:03 h2 🥈
15.11 24h FRALes 24 heures d'Arcueil 215.630 km1 🏆
18.10 24h BEL1. 24 uren van Heusden 192.760 km3 🥉
20.06 100km BEL7. Nacht van Vlaanderen, 100km Torhout 8:25:29 h50
18.05 24h BEL24 h Haren 141.200 km12
19.04 100km BELLes 100 km de Ransart 8:12:08 h3 🥉
01.01 100km BEL100km Stabroek 7:45:17 h1 🏆
1985
08.11 24h FRA7ème 24 heures de Niort 138.184 km70
27.09 245.3km GRE3. Spartathlon 31:30:00 h12
21.06 100km BEL6. Nacht van Vlaanderen, 100km Torhout 7:49:21 h14
30.03 100km BEL100km Stabroek 7:45:07 h4
1984
03.11 24h FRA6ème 24 heures de Niort 213.100 km12
22.06 100km BEL5. Nacht van Vlaanderen, 100km Torhout 7:28:00 h4
07.04 100km BELLes 100 km de Ransart 7:08:54 h1 🏆
1983
06.11 61km NED6e Schipholloop 4:01:19 h6