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| Name: | Michalczewski, Jacek |
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| Club: | Run Beavers | ||
| Residence: | Karczmiska | ||
| Year of birth: | 1983 | (Cat. german: M40) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M40) | |
| Nationality: | POL  |
Poland | |
| RunnerID: | 1514376 | ||
5 search results (5 Events, 371.1 km). (More)
| 2025 | 1 Event, 62 km (More) | ||||
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| 17.05.2025 | Ultraroztocze 60km (POL) | 62km | |||
| 5:29:08 h | Michalczewski, Jacek | Run Beavers | Overall: 8 | M: 8 | Cat M40: 3 |
| 2022 | 2 Events, 168.1 km (More) | ||||
| 01.10.2022 | Bison Ultra-Trail 100 (POL) | 104km | |||
| 11:34:47 h | Michalczewski, Jacek | Run Beavers | Overall: 24 | M: 22 | Cat M35: 7 |
| 23.04.2022 | Biegi w Szczawnicy - Dziki Gron (POL) | 64.1km | |||
| 9:50:07 h | Michalczewski, Jacek | Run Beavers | Overall: 114 | M: 98 | Cat M35: 30 |
| 2021 | 1 Event, 84 km (More) | ||||
| 02.-03.10.2021 | Ultraroztocze 90km (POL) | 84km | |||
| 9:43:09 h | Michalczewski, Jacek | Ultrino Amateur | Overall: 8 | M: 8 | Cat M35: 1 |
| 2020 | 1 Event, 57 km (More) | ||||
| 03.-04.10.2020 | Ultraroztocze 60km (POL) | 57km | |||
| 5:49:23 h | Michalczewski, Jacek | *Karczmiska | Overall: 8 | M: 6 | Cat M35: 4 |
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 | 2022 | 2021 | 2020 |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2022 | 2021 | 2020 | ||
|---|---|---|---|---|---|
| Ultraroztocze 60km | 2 | 5:29:08 | 5:49:23 |