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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Westerduin, Dirk   Submit Personal Website Send Link 
Club: SV Friesland 
Residence: Groningen
Year of birth: 1961 (Cat. german: M65)
Date of birth: 00.00.0000 (Cat. internat.: M60)
Nationality: NED NED Netherlands
RunnerID: 99964
 

12 search results (9 Events, 739.055 km).  (More)

1999 1 Event, 71.18 km  (More)
07.03.1999 Zes uurs ultraloop Stein (NED) 6h
71.180 km Westerduin, Dirk SV Friesland  Overall: 21 M: 20 Cat M35: 4
07.03.1999 Zes uurs ultraloop Stein - 50km Split (NED) 50km
3:46:37 h Westerduin, Dirk SV Friesland  Overall: 11 M: 11 Cat M35: 3
1997 1 Event, 120 km  (More)
31.03.1997 De 120 van Texel (NED) 120km
9:23:30 h Westerduin, Dirk SV Friesland  Overall: 1 M: 1 Cat M35: 1
1996 2 Events, 180.519 km  (More)
14.09.1996 RUN Winschoten 100 km (NED) 100km
7:19:47 h Westerduin, Dirk   Overall: 5 M: 5 Cat M23: 3
12.05.1996 De Zes Uren van Gistel (BEL) 6h
80.519 km Westerduin, Dirk *Groningen  Overall: 6 M: 6 Cat M23: 4
1995 3 Events, 246.356 km  (More)
12.11.1995 Ultraloop om de Haarlemmermeer (NED) 61km
4:21:55 h Westerduin, Dirk SV Friesland  Overall: 8 M: 8 Cat M23: 3
09.07.1995 Internat. 12 Stunden Lauf Brühl - 50km Split (GER) 50km
4:28:15 h Westerduin, Dirk   Overall: 20 M: 18 Cat M30: 4
09.07.1995 Internat. 12 Stunden Lauf Brühl - 100km Split (GER) 100km
9:24:33 h Westerduin, Dirk   Overall: 6 M: 5 Cat M30: 2
09.07.1995 Internat. 12 Stunden Lauf Brühl (GER) 12h
125.356 km Westerduin, Dirk   Overall: 6 M: 5 Cat M30: 2
17.04.1995 De Zestig van Texel (NED) 60km
4:17:38 h Westerduin, Dirk Gvav-Rapiditas  Overall: 7 M: 7 Cat M23: 2
1994 1 Event, 61 km  (More)
13.11.1994 Ultraloop om de Haarlemmermeer (NED) 61km
4:22:36 h Westerduin, Dirk GVAV Rap.  Overall: 5 M: 5 Cat M23: 2
1993 1 Event, 60 km  (More)
12.04.1993 De Zestig van Texel (NED) 60km
4:24:51 h Westerduin, Dirk Gvav Rapiditas  Overall: 12 M: 12 Cat M23: 6

Personal bests

Your list of personal best performances only contains performances of races which can be included into rankings.

In brackets rank in yearly international/national rankings.

 PB 1999 1997 1996 1995 1994 1993
50km 3:46:37 3:46:37
  		 
 
4:28:15
  		 
 
100km 7:19:47  
 
7:19:47
  		9:24:33
  		 
 
6h 80.519 71.180
  		 
80.519
  		 
 
 
12h 125.356  
 
 
125.356
  		 
 

Comparison table

Comparison of performances in races with multiple participations

   1999 1997 1996 1995 1994 1993
Ultraloop om de Haarlemmermeer 2       4:21:55 4:22:36  
De Zestig van Texel 2       4:17:38   4:24:51