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| Name: | Jak, Ko |
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| Residence: | Krommenie | ||
| Year of birth: | 1951 | (Cat. german: M75) | |
| Date of birth: | 29.08.1951 | (Cat. internat.: M70) | |
| Nationality: | NED  |
Netherlands | |
| RunnerID: | 401574 | ||
3 search results (3 Events, 200.467 km). (More)
| 2019 | 1 Event, 80.467 km (More) | ||||
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| 08.06.2019 | 50mi Weert (NED) | 50mi | |||
| 11:29:43 h | Jak, Ko | Overall: 12 | M: 10 | Cat M65: 1 | |
| 2014 | 1 Event, 60 km (More) | ||||
| 12.04.2014 | Bos-Duin-Strand-ultraloop 60 Km (NED) | 60km | |||
| 8:02:52 h | Jak, Ko | *Krommenie | Overall: 48 | M: 38 | Cat M60: 3 |
| 2013 | 1 Event, 60 km (More) | ||||
| 13.04.2013 | Castricum 60 km (NED) | 60km | |||
| 7:30:00 h | Jak, Ko | *Krommenie | Overall: 51 | M: 45 | Cat M60: 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 | 2019 | 2014 | 2013 | |
|---|---|---|---|---|
| 50mi | 11:29:43 |
11:29:43
(710/7) |
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Comparison table
Comparison of performances in races with multiple participations
| 2019 | 2014 | 2013 | ||
|---|---|---|---|---|
| Castricum 60 km | 2 | 8:02:52 | 7:30:00 |