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| Name: | Ziemendorf, Kolby |
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| Club: | |||
| Residence: | Glenville, NY | ||
| Year of birth: | 1992 | (Cat. german: M30) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M23) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 861926 | ||
9 search results (9 Events, 650.615 km). (More)
| 2025 | 1 Event, 50 km (More) | ||||
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| 30.03.2025 | Sleeping Giant Trail Runs (USA) | 50km | |||
| 6:49:19 h | Ziemendorf, Kolby | Overall: 13 | M: 12 | Cat M23: 2 | |
| 2024 | 1 Event, 50 km (More) | ||||
| 29.06.2024 | Catamount Ultra Marathon (USA) | 50km | |||
| 5:19:31 h | Ziemendorf, Kolby | *Burnt Hills, NY | Overall: 49 | M: 38 | Cat M23: 20 |
| 2019 | 1 Event, 80.467 km (More) | ||||
| 15.-16.06.2019 | Mohican Trail 50 Mile (USA) | 50mi | |||
| 10:00:01 h | Ziemendorf, Kolby | *Burnt Hills, NY | Overall: 22 | M: 18 | Cat M23: 10 |
| 2018 | 1 Event, 50 km (More) | ||||
| 19.08.2018 | Thacher Park Running Festival (USA) | 50km | |||
| 4:59:47 h | Ziemendorf, Kolby | *Glenville, NY | Overall: 6 | M: 5 | Cat M23: 2 |
| 2017 | 3 Events, 291.401 km (More) | ||||
| 27.08.2017 | Thacher Park Running Festival (USA) | 50km | |||
| 5:13:06 h | Ziemendorf, Kolby | *Schenectady, NY | Overall: 8 | M: 7 | Cat M23: 4 |
| 15.-16.07.2017 | Vermont 100 Mile Endurance Race (USA) | 100mi | |||
| 27:55:28 h | Ziemendorf, Kolby | *Glenville, NY | Overall: 217 | M: 176 | Cat M23: 29 |
| 28.05.2017 | Trail Festival at Pineland Farms (USA) | 50mi | |||
| 10:41:49 h | Ziemendorf, Kolby | Overall: 94 | M: 71 | Cat M23: 10 | |
| 2016 | 2 Events, 128.747 km (More) | ||||
| 19.11.2016 | JFK 50 Mile (USA) | 50mi | |||
| 11:18:22 h | Ziemendorf, Kolby | *Glenville, NY | Overall: 523 | M: 413 | Cat M23: 117 |
| 17.09.2016 | Shawangunk Ridge Trail 30-mile Run (USA) | 30mi | |||
| 6:51:00 h | Ziemendorf, Kolby | *Glenville, NY | Overall: 2 | M: 2 | Cat M23: 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 | 2025 | 2024 | 2019 | 2018 | 2017 | 2016 |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2019 | 2018 | 2017 | 2016 | ||
|---|---|---|---|---|---|---|---|
| Thacher Park Running Festival | 2 | 4:59:47 | 5:13:06 |