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| Name: | Zylstra, David |
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| Club: | |||
| Residence: | Rockford, MI | ||
| Year of birth: | 1986 | (Cat. german: M40) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M35) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1015935 | ||
10 search results (10 Events, 763.445 km). (More)
| 2023 | 1 Event, 119.091 km (More) | ||||
|---|---|---|---|---|---|
| 25.-26.03.2023 | Georgia Death Race (USA) | 74mi | |||
| 23:33:12 h | Zylstra, David | *Rockford, MI | Overall: 133 | M: 115 | Cat M35: 25 |
| 2022 | 2 Events, 160.467 km (More) | ||||
| 24.-25.09.2022 | Midwest Everest 50 Mile Race (USA) | 50mi | |||
| 16:53:47 h | Zylstra, David | *Rockford, MI | Overall: 5 | M: 5 | Cat M35: 1 |
| 20.08.2022 | Squamish 50mi (CAN) | 50mi | |||
| 16:12:30 h | Zylstra, David | *Rockford, MI | Overall: 325 | M: 221 | Cat M35: 44 |
| 2021 | 1 Event, 50 km (More) | ||||
| 18.09.2021 | The Barkley Fall Classic (USA) | 50km | |||
| 13:17:03 h | Zylstra, David | *Rockford, MI | Overall: 175 | M: 146 | Cat M23: 33 |
| 2020 | 2 Events, 199.558 km (More) | ||||
| 07.-08.11.2020 | Georgia Death Race (USA) | 74mi | |||
| 18:57:50 h | Zylstra, David | *Rockford, MI | Overall: 18 | M: 13 | Cat M23: 5 |
| 26.09.2020 | Hungerford Trail Race 50 Mile (USA) | 50mi | |||
| 9:52:50 h | Zylstra, David | *Rockford, MI | Overall: 21 | M: 18 | Cat M23: 6 |
| 2019 | 1 Event, 50 km (More) | ||||
| 19.01.2019 | Bear Bait 50K Ultramarathon (USA) | 50km | |||
| 6:07:19 h | Zylstra, David | *Rockford, MI | Overall: 7 | M: 7 | Cat M23: 2 |
| 2018 | 2 Events, 134.329 km (More) | ||||
| 15.09.2018 | The Barkley Fall Classic (USA) | 50km | |||
| 11:33:26 h | Zylstra, David | *Rockford, MI | Overall: 94 | M: 76 | Cat M23: 19 |
| 02.06.2018 | Yankee Springs 52 Mile Trail Run (USA) | 52.4mi | |||
| 11:37:04 h | Zylstra, David | *Rockford, MI | Overall: 10 | M: 7 | Cat M23: 5 |
| 2017 | 1 Event, 50 km (More) | ||||
| 07.10.2017 | Yankee Springs Fall Trail Run Festival (USA) | 50km | |||
| 5:55:26 h | Zylstra, David | *Rockford, MI | Overall: 10 | M: 9 | Cat M23: 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 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
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Comparison table
Comparison of performances in races with multiple participations
| 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | ||
|---|---|---|---|---|---|---|---|---|
| The Barkley Fall Classic | 2 | 13:17:03 | 11:33:26 | |||||
| Georgia Death Race | 2 | 23:33:12 | 18:57:50 |