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| Name: | Byrd, Jack |
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| Club: | PMK | ||
| Residence: | California | ||
| Year of birth: | 1936 | (Cat. german: M90) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M85) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 269110 | ||
6 search results (6 Events, 441.868 km). (More)
| 1981 | 2 Events, 160.934 km (More) | ||||
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| 12.04.1981 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 7:44:42 h | Byrd, Jack | Overall: 46 | M: 45 | Cat M40: 5 | |
| 15.02.1981 | Jed Smith Ultra Classic - 50 Mile Race (USA) | 50mi | |||
| 8:35:07 h | Byrd, Jack | Overall: 82 | M: 78 | Cat M40: 14 | |
| 1980 | 3 Events, 220.934 km (More) | ||||
| 02.11.1980 | Sacramento Sixty (USA) | 60km | |||
| 4:34:09 h | Byrd, Jack | Overall: 4 | M: 4 | Cat M40: 1 | |
| 13.04.1980 | American River 50 Mile Endurance Run (USA) | 50mi | |||
| 9:20:02 h | Byrd, Jack | Overall: 69 | M: 61 | Cat M40: 3 | |
| 17.02.1980 | Feather River Fifty - Pacific AAU 50-Mile Championship (USA) | 50mi | |||
| 7:10:12 h | Byrd, Jack | *California | Overall: 9 | M: 9 | Cat M40: 2 |
| 1978 | 1 Event, 60 km (More) | ||||
| 10.12.1978 | Sacramento Sixty, PA-AAU 60-K (USA) | 60km | |||
| 4:38:51 h | Byrd, Jack | Overall: 8 | M: 8 | Cat M40: 3 | |
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 | 1981 | 1980 | 1978 | |
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| 50mi | 8:35:07 |
8:35:07
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Comparison table
Comparison of performances in races with multiple participations
| 1981 | 1980 | 1978 | ||
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| Sacramento Sixty, PA-AAU 60-K | 2 | 4:34:09 | 4:38:51 | |
| American River 50 Mile Endurance Run | 2 | 7:44:42 | 9:20:02 |