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| Name: | Groendyk, Bill |
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| Club: | |||
| Residence: | Jenison, MI | ||
| Year of birth: | 1954 | (Cat. german: M70) | |
| Date of birth: | 01.09.1954 | (Cat. internat.: M70) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 57852 | ||
11 search results (10 Events, 1200.802 km). (More)
| 2024 | 1 Event, 168.981 km (More) | ||||
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| 29.08.-02.09.2024 | A Race for the Ages (USA) | 91h | |||
| 168.981 km | Groendyk, Bill | *Jenison, MI | Overall: 43 | M: 33 | Cat M65: 11 |
| 2000 | 3 Events, 291.401 km (More) | ||||
| 24.-25.06.2000 | Western States 100 Mile Endurance Run (USA) | 100mi | |||
| 28:16:49 h | Groendyk, Bill | Overall: 140 | M: 118 | Cat M45: 23 | |
| 13.05.2000 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 8:53:26 h | Groendyk, Bill | *Jenison, MI | Overall: 84 | M: 75 | Cat M45: 15 |
| 01.04.2000 | Chicago Lakefront Spring 50km Race (USA) | 50km | |||
| 4:29:40 h | Groendyk, Bill | Overall: 27 | M: 25 | Cat M45: 3 | |
| 1999 | 4 Events, 479.486 km (More) | ||||
| 18.-19.09.1999 | Olander Park 24 Hour Run - US Championships (USA) | 24h | |||
| 160.934 km | Groendyk, Bill | Overall: 40 | M: 30 | Cat M45: 5 | |
| 18.-19.09.1999 | Olander Park 24 Hour Run - Open race (USA) | 24h | |||
| 160.934 km | Groendyk, Bill | Overall: 43 | M: 33 | Cat M45: 5 | |
| 14.08.1999 | Howl at the Moon 8h Run (USA) | 8h | |||
| 77.151 km | Groendyk, Bill | *Jenison, MI | Overall: 10 | M: 10 | Cat M40: 4 |
| 04.-05.06.1999 | Kettle Moraine 100 Mile Endurance Run (USA) | 100mi | |||
| 23:18:18 h | Groendyk, Bill | Overall: 16 | M: 15 | Cat M40: 3 | |
| 08.05.1999 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 9:28:12 h | Groendyk, Bill | *Jenison, MI | Overall: 137 | M: 122 | Cat M40: 26 |
| 1998 | 1 Event, 160.934 km (More) | ||||
| 04.-05.04.1998 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 23:15:15 h | Groendyk, Bill | *MI | Overall: 28 | M: 24 | Cat M40: 6 |
| 1997 | 1 Event, 100 km (More) | ||||
| 07.09.1997 | Dances with Dirt 100K Ultra (USA) | 100km | |||
| 12:02:30 h | Groendyk, Bill | *Jenison, MI | Overall: 8 | M: 8 | Cat M40: 1 |
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 | 2024 | 2000 | 1999 | 1998 | 1997 | |
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| 50km | 4:29:40 |
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4:29:40
(1637/143) |
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| 24h | 160.934 |
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160.934
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Comparison table
Comparison of performances in races with multiple participations
| 2024 | 2000 | 1999 | 1998 | 1997 | ||
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| Ice Age Trail 50 Mile Run | 2 | 8:53:26 | 9:28:12 |