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| Name: | Flener, Karl |
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| Residence: | Chicago, IL | ||
| Year of birth: | 1974 | (Cat. german: M50) | |
| Date of birth: | 24.01.1974 | (Cat. internat.: M50) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 124145 | ||
24 search results (23 Events, 2219.634 km). (More)
| 2026 | 1 Event, 50 km (More) | ||||
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| 09.05.2026 | Ice Age Trail 50 km Run (USA) | 50km | |||
| 6:39:43 h | Flener, Karl | *Chicago, IL | Overall: 90 | M: 57 | Cat M50: 5 |
| 2025 | 1 Event, 80.467 km (More) | ||||
| 05.-06.04.2025 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 9:54:34 h | Flener, Karl | *IL | Overall: 10 | M: 8 | Cat M50: 2 |
| 2024 | 2 Events, 210.934 km (More) | ||||
| 04.08.2024 | Badger Trail Races by Ten Junk Miles Racing (USA) | 50km | |||
| 6:12:26 h | Flener, Karl | Overall: 19 | M: 14 | Cat M50: 1 | |
| 06.-07.04.2024 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 22:05:47 h | Flener, Karl | *IL | Overall: 44 | M: 40 | Cat M50: 4 |
| 2023 | 2 Events, 130.467 km (More) | ||||
| 30.07.2023 | Badger Trail Races by Ten Junk Miles Racing (USA) | 50km | |||
| 5:24:09 h | Flener, Karl | Overall: 15 | M: 13 | Cat M45: 2 | |
| 01.-02.04.2023 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 10:17:23 h | Flener, Karl | *IL | Overall: 16 | M: 14 | Cat M45: 2 |
| 2022 | 2 Events, 160.934 km (More) | ||||
| 30.07.2022 | Badger Trail Races by Ten Junk Miles Racing (USA) | 50mi | |||
| 10:44:44 h | Flener, Karl | *Chicago, IL | Overall: 11 | M: 7 | Cat M45: 2 |
| 02.-03.04.2022 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 8:57:45 h | Flener, Karl | *IL | Overall: 3 | M: 3 | Cat M45: 1 |
| 2021 | 1 Event, 80.467 km (More) | ||||
| 30.10.2021 | Chicago Lakefront Fall 50 Mile Race (USA) | 50mi | |||
| 8:06:10 h | Flener, Karl | *IL | Overall: 6 | M: 5 | Cat M45: 1 |
| 2020 | 1 Event, 56.893 km (More) | ||||
| 12.01.2020 | Winter 6 Hour Challenge Cross Country (USA) | 6h | |||
| 56.893 km | Flener, Karl | *Chicago, IL | Overall: 1 | M: 1 | Cat M45: 1 |
| 2019 | 1 Event, 160.934 km (More) | ||||
| 06.-07.04.2019 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 18:26:20 h | Flener, Karl | *IL | Overall: 11 | M: 9 | Cat M45: 2 |
| 2018 | 1 Event, 160.934 km (More) | ||||
| 08.-09.04.2018 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 18:57:34 h | Flener, Karl | *IL | Overall: 11 | M: 11 | Cat M40: 1 |
| 2017 | 1 Event, 160.934 km (More) | ||||
| 01.-02.04.2017 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 21:48:42 h | Flener, Karl | *IL | Overall: 34 | M: 31 | Cat M40: 4 |
| 2016 | 2 Events, 321.868 km (More) | ||||
| 06.-07.08.2016 | Burning River 100 Mile Endurance Run (USA) | 100mi | |||
| 26:38:41 h | Flener, Karl | *Chicago, IL | Overall: 53 | M: 45 | Cat M40: 4 |
| 02.-03.04.2016 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 19:53:02 h | Flener, Karl | *IL | Overall: 14 | M: 10 | Cat M40: 4 |
| 2015 | 3 Events, 291.401 km (More) | ||||
| 31.10.2015 | Chicago Lakefront Fall 50 Mile Race (USA) | 50mi | |||
| 8:38:17 h | Flener, Karl | *Chicago, IL | Overall: 5 | M: 4 | Cat M40: 1 |
| 28.-29.03.2015 | Umstead Endurance Run 100 Miles (USA) | 100mi | |||
| 22:42:32 h | Flener, Karl | *IL | Overall: 53 | M: 42 | Cat M40: 11 |
| 18.01.2015 | Clearwater Distance Classic 50k Ultra (USA) | 50km | |||
| 4:02:47 h | Flener, Karl | *Chicago, IL | Overall: 3 | M: 3 | Cat M40: 3 |
| 2014 | 2 Events, 160.934 km (More) | ||||
| 01.11.2014 | Chicago Lakefront Fall 50 Mile Race (USA) | 50mi | |||
| 7:40:37 h | Flener, Karl | *Chicago, IL | Overall: 8 | M: 6 | Cat M40: 2 |
| 10.05.2014 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 9:58:55 h | Flener, Karl | Overall: 95 | M: 70 | Cat M40: 19 | |
| 2013 | 1 Event, 80.467 km (More) | ||||
| 02.11.2013 | Chicago Lakefront Fall 50 Mile Race (USA) | 50mi | |||
| 7:37:49 h | Flener, Karl | *Chicago, IL | Overall: 10 | M: 9 | Cat M35: 1 |
| 2010 | 1 Event, 56 km (More) | ||||
| 03.04.2010 | Two Oceans Marathon - 50km Split (RSA) | 50km | |||
| 4:17:38 h | Flener, Karl | Overall: 887 | M: 826 | Cat M35: 186 | |
| 03.04.2010 | Two Oceans Marathon (RSA) | 56km | |||
| 4:50:38 h | Flener, Karl | Overall: 903 | M: 832 | Cat M35: 188 | |
| 2009 | 1 Event, 56 km (More) | ||||
| 11.04.2009 | Two Oceans Marathon (RSA) | 56km | |||
| 5:05:21 h | Flener, Karl | Overall: 1209 | M: 1099 | Cat M35: 230 | |
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 | 2016 | 2015 | 2014 | 2013 | 2010 | 2009 | |
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| 50km | 4:17:38 |
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4:17:38
(2164/146) |
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| 50mi | 7:37:49 |
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8:06:10
(240/65) |
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8:38:17
(174/86) |
7:40:37
(87/54) |
7:37:49
(86/47) |
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Comparison table
Comparison of performances in races with multiple participations
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2010 | 2009 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Umstead Endurance Run 100 Miles | 6 | 22:05:47 | 18:26:20 | 18:57:34 | 21:48:42 | 19:53:02 | 22:42:32 | ||||||||||
| Chicago Lakefront Fall 50 Mile Race | 4 | 8:06:10 | 8:38:17 | 7:40:37 | 7:37:49 | ||||||||||||
| Umstead Endurance Run 50 Miles | 3 | 9:54:34 | 10:17:23 | 8:57:45 | |||||||||||||
| Badger Trail Races by Ten Junk Miles Racing | 2 | 6:12:26 | 5:24:09 | ||||||||||||||
| Two Oceans Marathon | 2 | 4:50:38 | 5:05:21 |