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| Name: | Ritsema, Janko |
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| Residence: | Ede | ||
| Year of birth: | 1981 | (Cat. german: M45) | |
| Date of birth: | 12.10.1981 | (Cat. internat.: M40) | |
| Nationality: | NED  |
Netherlands | |
| RunnerID: | 967094 | ||
4 search results (4 Events, 387.744 km). (More)
| 2025 | 1 Event, 160.944 km (More) | ||||
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| 18.10.2025 | Dutch Backyard Ultra (NED) | 36h | |||
| 160.944 km | Ritsema, Janko | Overall: 24 | M: 18 | Cat M40: 3 | |
| 2019 | 1 Event, 111 km (More) | ||||
| 06.-07.07.2019 | Trail Verbier St Bernard - X-Alpine (SUI) | 111km | |||
| 31:42:06 h | Ritsema, Janko | Overall: 204 | M: 180 | Cat M35: 38 | |
| 2018 | 1 Event, 62.8 km (More) | ||||
| 16.06.2018 | Zugspitz Supertrail (GER) | 62.8km | |||
| 9:03:41 h | Ritsema, Janko | *Ede | Overall: 31 | M: 25 | Cat M35: 9 |
| 2017 | 1 Event, 53 km (More) | ||||
| 10.06.2017 | Dolomiti Extreme Trail 53km (ITA) | 53km | |||
| 10:26:59 h | Ritsema, Janko | Overall: 80 | M: 69 | Cat M35: 16 | |
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 | 2025 | 2019 | 2018 | 2017 |
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