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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Isack, Klaus   Submit Personal Website Send Link 
Club: TuS Hachenburg 
Residence: Merkelbach
Year of birth: 1937 (Cat. german: M85)
Date of birth: 00.00.0000 (Cat. internat.: M85)
Nationality: GER GER Germany
RunnerID: 95168
 

14 search results (14 Events, 1194.5 km).  (More)

1992 2 Events, 133.5 km  (More)
25.07.1992 Swiss Alpine Marathon (SUI) 67km
8:50:54 h Isack, Klaus *Merkelbach  Overall: 692 M: 659 Cat M50: 44
16.05.1992 GutsMuths-Rennsteiglauf (GER) 66.5km
7:34:03 h Isack, Klaus *Merkelbach  Overall: 746 M: 715 Cat M55: 40
1991 2 Events, 167 km  (More)
27.07.1991 Swiss Alpine Marathon (SUI) 67km
9:33:56 h Isack, Klaus *Merkelbach  Overall: 910 M: 863 Cat M50: 71
07.-08.06.1991 100 km Lauf Biel (SUI) 100km
9:17:06 h Isack, Klaus *Merkelbach  Overall: 167 M: 165 Cat M50: 9
1990 2 Events, 167 km  (More)
28.07.1990 Swiss Alpine Marathon (SUI) 67km
8:41:14 h Isack, Klaus *Merkelbach  Overall: 574 M: 554 Cat M50: 26
08.-09.06.1990 100 km Lauf Biel (SUI) 100km
8:53:38 h Isack, Klaus   Overall: 146 M: 142 Cat M50: 12
1989 2 Events, 180 km  (More)
19.08.1989 Internationaler Niddalauf (GER) 80km
6:36:16 h Isack, Klaus TuS Hachenburg  Overall: 35 M: 34 Cat M50: 4
02.-03.06.1989 100 km Lauf Biel (SUI) 100km
8:29:00 h Isack, Klaus *Merkelbach  Overall: 80 M: 79 Cat M50: 4
1988 3 Events, 247 km  (More)
20.08.1988 Internationaler Niddalauf (GER) 80km
6:13:37 h Isack, Klaus TuS Hachenburg  Overall: 29 M: 27 Cat M50: 2
30.07.1988 Swiss Alpine Marathon (SUI) 67km
10:24:18 h Isack, Klaus *Merkelbach  Overall: 808 M: 765 Cat M50: 45
03.-04.06.1988 100 km Lauf Biel (SUI) 100km
10:29:00 h Isack, Klaus *Merkelbach  Overall: 550 M: 539 Cat M50: 43
1987 1 Event, 100 km  (More)
12.-13.06.1987 100 km Lauf Biel (SUI) 100km
8:27:00 h Isack, Klaus *Merkelbach  Overall: 69 M: 67 Cat M45: 7
1986 1 Event, 100 km  (More)
06.-07.06.1986 100 km Lauf Biel (SUI) 100km
12:57:00 h Isack, Klaus *Merkelbach  Overall: 1422 M: 1376 Cat M45: 241
1985 1 Event, 100 km  (More)
07.-08.06.1985 100 km Lauf Biel (SUI) 100km
11:37:00 h Isack, Klaus *Merkelbach  Overall: 942 M: 921 Cat M45: 163

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 1992 1991 1990 1989 1988 1987 1986 1985
100km 8:53:38  
9:17:06
  		8:53:38
  		 
 
 
 
 

Comparison table

Comparison of performances in races with multiple participations

   1992 1991 1990 1989 1988 1987 1986 1985
100 km Lauf Biel 7   9:17:06 8:53:38 8:29:00 10:29:00 8:27:00 12:57:00 11:37:00
Swiss Alpine Marathon 4 8:50:54 9:33:56 8:41:14   10:24:18      
Internationaler Niddalauf 2       6:36:16 6:13:37