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| Name: | Kostka, Mike |
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| Club: | |||
| Residence: | Essexville, MI | ||
| Year of birth: | 1989 | (Cat. german: M35) | |
| Date of birth: | 24.06.1989 | (Cat. internat.: M35) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 455044 | ||
30 search results (30 Events, 3145.984 km). (More)
| 2026 | 1 Event, 50 km (More) | ||||
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| 03.01.2026 | Yankee Springs 50 km Winter Challenge (USA) | 50km | |||
| 5:41:46 h | Kostka, Mike | *Bay City, MI | Overall: 8 | M: 8 | Cat M35: 2 |
| 2025 | 4 Events, 341.401 km (More) | ||||
| 05.-06.09.2025 | Run Woodstock - 100 Mile Hallucination Run (USA) | 100mi | |||
| 27:46:40 h | Kostka, Mike | Overall: 49 | M: 39 | Cat M35: 8 | |
| 12.07.2025 | Dirty Burg 50K Trail Run (USA) | 50km | |||
| 6:41:21 h | Kostka, Mike | *Bay City, MI | Overall: 9 | M: 8 | Cat M35: 1 |
| 26.04.2025 | The Trail Marathon 50K - Trail Weekend (USA) | 50km | |||
| 5:23:32 h | Kostka, Mike | Overall: 22 | M: 21 | Cat M35: 3 | |
| 04.01.2025 | Yankee Springs 50 Mile Winter Challenge (USA) | 50mi | |||
| 9:38:04 h | Kostka, Mike | *Bay City, MI | Overall: 5 | M: 5 | Cat M35: 2 |
| 2024 | 4 Events, 471.868 km (More) | ||||
| 28.-29.09.2024 | Midwest Everest 100 Mile Race (USA) | 100mi | |||
| 35:42:48 h | Kostka, Mike | *Bay City, MI | Overall: 4 | M: 3 | Cat M35: 2 |
| 20.07.2024 | Dirty Burg 50K Trail Run (USA) | 50km | |||
| 5:51:18 h | Kostka, Mike | *Bay City, MI | Overall: 8 | M: 8 | Cat M35: 3 |
| 31.05.2024 | Yankee Springs 100 km Trail Run (USA) | 100km | |||
| 11:24:48 h | Kostka, Mike | *Bay City, MI | Overall: 3 | M: 3 | Cat M23: 2 |
| 17.-18.02.2024 | Jackpot Ultra Running Festival 100 Mile Race - US Championship (USA) | 100mi | |||
| 23:14:25 h | Kostka, Mike | *Bay City, MI | Overall: 18 | M: 12 | Cat M23: 4 |
| 2023 | 2 Events, 291.683 km (More) | ||||
| 30.07.2023 | Kensington Marathon 50km Race (USA) | 50km | |||
| 3:58:53 h | Kostka, Mike | *Essexville, MI | Overall: 1 | M: 1 | Cat M23: 1 |
| 16.-18.06.2023 | Six Days in the Dome - The Redux 48h (USA) | 48h | |||
| 241.683 km | Kostka, Mike | *Bay City | Overall: 4 | M: 2 | Cat M23: 1 |
| 2022 | 3 Events, 388.655 km (More) | ||||
| 01.-02.10.2022 | The Hennepin Hundred - 100 Mile Run (USA) | 100mi | |||
| 22:43:11 h | Kostka, Mike | *Bay City, MI | Overall: 53 | M: 42 | Cat M23: 10 |
| 18.06.2022 | Wicked Worm 12 Hour (USA) | 12h | |||
| 66.787 km | Kostka, Mike | *Essexville, MI | Overall: 5 | M: 4 | Cat M23: 2 |
| 11.-12.06.2022 | Lighthouse 100-Mile Ultra (USA) | 100mi | |||
| 20:20:08 h | Kostka, Mike | *Essexville, MI | Overall: 8 | M: 5 | Cat M23: 1 |
| 2021 | 3 Events, 431.303 km (More) | ||||
| 09.-10.10.2021 | Indiana Trail 100 Mile (USA) | 100mi | |||
| 23:43:46 h | Kostka, Mike | *Essexville, MI | Overall: 23 | M: 18 | Cat M23: 4 |
| 24.-25.07.2021 | Burning River 100 Mile Endurance Run (USA) | 100mi | |||
| 28:10:08 h | Kostka, Mike | *Essexville, MI | Overall: 88 | M: 71 | Cat M23: 13 |
| 29.-31.05.2021 | Veterans Memorial 150 Race (USA) | 52h | |||
| 109.435 km | Kostka, Mike | *Essexville, MI | Overall: 18 | M: 13 | Cat M23: 4 |
| 2020 | 1 Event, 160.934 km (More) | ||||
| 26.-27.09.2020 | Midwest Everest 100 Mile Race (USA) | 100mi | |||
| 32:57:41 h | Kostka, Mike | *Essexville, MI | Overall: 3 | M: 3 | Cat M23: 3 |
| 2019 | 2 Events, 210.934 km (More) | ||||
| 06.-07.09.2019 | Run Woodstock - 100 Mile Hallucination Run (USA) | 100mi | |||
| 27:46:27 h | Kostka, Mike | Overall: 57 | M: 45 | Cat M23: 10 | |
| 13.07.2019 | Dirty Burg 50K Trail Run (USA) | 50km | |||
| 5:31:05 h | Kostka, Mike | *Essexville, MI | Overall: 6 | M: 6 | Cat M23: 2 |
| 2018 | 3 Events, 294.508 km (More) | ||||
| 20.-21.10.2018 | St. Pats 24 Hour Races (USA) | 24h | |||
| 69.201 km | Kostka, Mike | *Grand Rapids, MI | Overall: 13 | M: 8 | Cat M23: 3 |
| 16.-17.06.2018 | Mohican Trail 100 Mile (USA) | 100mi | |||
| 28:37:03 h | Kostka, Mike | *Grand Rapids, MI | Overall: 41 | M: 34 | Cat M23: 9 |
| 28.04.2018 | Glacial Esker 40 Miles (USA) | 40mi | |||
| 6:34:47 h | Kostka, Mike | *Grand Rapids, MI | Overall: 12 | M: 11 | Cat M23: 5 |
| 2017 | 4 Events, 293.764 km (More) | ||||
| 28.10.2017 | Bad Apple Ultra - 12 hour (USA) | 12h | |||
| 109.435 km | Kostka, Mike | *Grand Rapids, MI | Overall: 2 | M: 2 | Cat M23: 2 |
| 15.07.2017 | Dirty Burg 50K Trail Run (USA) | 50km | |||
| 4:51:57 h | Kostka, Mike | *Grand Rapids, MI | Overall: 9 | M: 9 | Cat M23: 5 |
| 03.06.2017 | Yankee Springs 52 Mile Trail Run (USA) | 52.4mi | |||
| 8:54:03 h | Kostka, Mike | *Grand Rapids, MI | Overall: 1 | M: 1 | Cat M23: 1 |
| 30.04.2017 | The Trail Marathon 50K (USA) | 50km | |||
| 4:51:28 h | Kostka, Mike | Overall: 8 | M: 7 | Cat M23: 6 | |
| 2014 | 2 Events, 130.467 km (More) | ||||
| 27.09.2014 | Hungerford Trail Race 50 Mile (USA) | 50mi | |||
| 9:57:37 h | Kostka, Mike | Overall: 9 | M: 8 | Cat M23: 2 | |
| 27.04.2014 | The Trail Marathon 50K (USA) | 50km | |||
| 6:30:53 h | Kostka, Mike | *Essexville, MI | Overall: 87 | M: 69 | Cat M23: 17 |
| 2013 | 1 Event, 80.467 km (More) | ||||
| 21.09.2013 | Dances with Dirt - Hell 50M Ultra (USA) | 50mi | |||
| 11:37:53 h | Kostka, Mike | *Essexville | Overall: 38 | M: 33 | Cat M23: 12 |
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 | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2014 | 2013 | |
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| 100mi | 23:14:25 |
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23:14:25
(542/112) |
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| 48h | 241.683 |
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241.683
(140/15) |
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Comparison table
Comparison of performances in races with multiple participations
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2014 | 2013 | ||
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| Dirty Burg 50K Trail Run | 4 | 6:41:21 | 5:51:18 | 5:31:05 | 4:51:57 | ||||||||
| The Trail Marathon 50K | 3 | 5:23:32 | 4:51:28 | 6:30:53 | |||||||||
| Midwest Everest 100 Mile Race | 2 | 35:42:48 | 32:57:41 | ||||||||||
| Run Woodstock - 100 Mile Hallucination Run | 2 | 27:46:40 | 27:46:27 |