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| Name: | Korff, John |
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| Club: | Chicago Striders | ||
| Residence: | Mahwah, NJ | ||
| Year of birth: | 1952 | (Cat. german: M70) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M70) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 280676 | ||
5 search results (5 Events, 455.073 km). (More)
| 1984 | 2 Events, 200.473 km (More) | ||||
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| 23.-24.06.1984 | Western States 100 Mile Endurance Run (USA) | 93.5mi | |||
| 23:09:00 h | Korff, John | Overall: 112 | M: 101 | Cat M23: 38 | |
| 28.04.1984 | Sybil Ludington 50 km Run (USA) | 50km | |||
| 3:47:29 h | Korff, John | Overall: 5 | M: 5 | Cat M23: 3 | |
| 1982 | 1 Event, 80 km (More) | ||||
| 02.05.1982 | Lake Waramaug 50mi Ultra Marathon (USA) | 50mi | |||
| 7:22:37 h | Korff, John | Overall: 44 | M: 43 | Cat M23: 19 | |
| 1980 | 1 Event, 87.3 km (More) | ||||
| 28.09.1980 | London to Brighton Road Race (GBR) | 87.3km | |||
| 6:38:19 h | Korff, John | *Mahwah, NJ | Overall: 25 | M: 25 | Cat M23: 10 |
| 1979 | 1 Event, 87.3 km (More) | ||||
| 30.09.1979 | London to Brighton Road Race (GBR) | 87.3km | |||
| 7:42:47 h | Korff, John | Chicago Striders | Overall: 78 | M: 76 | Cat M23: 19 |
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 | 1984 | 1980 | 1979 | |
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| 50mi | 7:22:37 |
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Comparison table
Comparison of performances in races with multiple participations
| 1984 | 1980 | 1979 | ||
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| London to Brighton Road Race | 2 | 6:38:19 | 7:42:47 |