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| Name: | Witko, David |
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| Club: | |||
| Residence: | Chandler, AZ | ||
| Year of birth: | 1958 | (Cat. german: M65) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M65) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 557442 | ||
59 search results (54 Events, 3919.998 km). (More)
| 2025 | 8 Events, 549.125 km (More) | ||||
|---|---|---|---|---|---|
| 21.11.2025 | Fat Ox 12 Hour Run (USA) | 12h | |||
| 87.467 km | Witko, David | *Brookfield, WI | Overall: 3 | M: 2 | Cat M65: 1 |
| 08.11.2025 | tBunk Endurance Challenge 50 Mile (USA) | 50mi | |||
| 12:21:30 h | Witko, David | *AZ | Overall: 35 | M: 28 | Cat M65: 1 |
| 12.10.2025 | Glacial Trail 50 km Race (USA) | 50km | |||
| 7:00:45 h | Witko, David | *AZ | Overall: 44 | M: 28 | Cat M65: 1 |
| 30.-31.08.2025 | Badgerland F/X 12 Hour Run (night) (USA) | 12h | |||
| 80.724 km | Witko, David | *Chandler, AZ | Overall: 1 | M: 1 | Cat M65: 1 |
| 26.04.2025 | The Canyons Endurance 50 Km Run (USA) | 50km | |||
| 7:14:56 h | Witko, David | Overall: 402 | M: 291 | Cat M65: 3 | |
| 12.04.2025 | Whiskey Basin 60 km Trail Run (USA) | 60km | |||
| 9:12:32 h | Witko, David | *Brookfield, WI | Overall: 51 | M: 45 | Cat M65: 2 |
| 01.03.2025 | Grandmaster Ultras 50 Mile Run (USA) | 50mi | |||
| 14:04:00 h | Witko, David | *Campo Seco, CA | Overall: 3 | M: 1 | Cat M65: 1 |
| 09.02.2025 | Black Canyon Trail 60 Km Run (USA) | 60km | |||
| 7:26:06 h | Witko, David | *Brookfield, WI | Overall: 315 | M: 195 | Cat M65: 3 |
| 2024 | 4 Events, 255.206 km (More) | ||||
| 22.-23.11.2024 | Fat Ox 12 Hour Run (USA) | 12h | |||
| 82.680 km | Witko, David | *Brookfield, WI | Overall: 6 | M: 3 | Cat M65: 1 |
| 10.11.2024 | tBunk Endurance Challenge 50 Km (USA) | 31.2mi | |||
| 6:30:00 h | Witko, David | *AZ | Overall: 26 | M: 14 | Cat M65: 1 |
| 13.10.2024 | Glacial Trail 50 km Race (USA) | 50km | |||
| 7:03:29 h | Witko, David | Overall: 51 | M: 33 | Cat M65: 1 | |
| 31.08.-01.09.2024 | Badgerland F/X 12 Hour Run (night) (USA) | 12h | |||
| 72.315 km | Witko, David | *Chandler | Overall: 3 | M: 3 | Cat M65: 1 |
| 2022 | 3 Events, 171.155 km (More) | ||||
| 09.10.2022 | Glacial Trail 50 km Race (USA) | 50km | |||
| 10:31:04 h | Witko, David | *AZ | Overall: 92 | M: 55 | Cat M60: 5 |
| 11.-12.06.2022 | Kettle Moraine 38 Mile Night Run (USA) | 38mi | |||
| 11:03:25 h | Witko, David | *Brookfield, WI | Overall: 28 | M: 18 | Cat M60: 1 |
| 13.02.2022 | Black Canyon Trail 60 Km Run (USA) | 60km | |||
| 9:24:33 h | Witko, David | *Brookfield, WI | Overall: 171 | M: 99 | Cat M60: 5 |
| 2021 | 4 Events, 252 km (More) | ||||
| 10.10.2021 | Glacial Trail 50 km Race (USA) | 50km | |||
| 6:58:53 h | Witko, David | *AZ | Overall: 42 | M: 30 | Cat M60: 2 |
| 10.07.2021 | Dances with Dirt - Devil's Lake 50K Ultra (USA) | 50km | |||
| 7:37:44 h | Witko, David | Overall: 64 | M: 43 | Cat M60: 3 | |
| 14.02.2021 | Black Canyon Trail 100 Km Run (USA) | 100km | |||
| 16:34:24 h | Witko, David | *Brookfield, WI | Overall: 280 | M: 210 | Cat M60: 6 |
| 16.01.2021 | Coldwater Rumble 52K Race (USA) | 52km | |||
| 6:29:53 h | Witko, David | *Brookfield, WI | Overall: 40 | M: 30 | Cat M60: 1 |
| 2020 | 2 Events, 149.224 km (More) | ||||
| 05.-06.09.2020 | Badgerland F/X 24 Hour Run (USA) | 24h | |||
| 99.224 km | Witko, David | *Chandler, AZ | Overall: 14 | M: 9 | Cat M60: 1 |
| 07.03.2020 | Mesquite Canyon 50 km (USA) | 50km | |||
| 7:44:30 h | Witko, David | *Brookfield, WI | Overall: 53 | M: 41 | Cat M60: 1 |
| 2019 | 6 Events, 559.746 km (More) | ||||
| 28.12.2019-03.01.2020 | Across the Years, 24h - 100km Split (USA) | 100km | |||
| 21:27:02 h | Witko, David | *Brookfield, WI | Overall: 56 | M: 34 | Cat M60: 3 |
| 28.12.2019-03.01.2020 | Across the Years, 24h (USA) | 24h | |||
| 112.976 km | Witko, David | *Brookfield, WI | Overall: 50 | M: 29 | Cat M60: 2 |
| 28.12.2019-03.01.2020 | Across the Years, 24h - 50mi Split (USA) | 50mi | |||
| 15:06:22 h | Witko, David | *Brookfield, WI | Overall: 80 | M: 49 | Cat M60: 3 |
| 31.08.-01.09.2019 | Badgerland F/X 24 Hour Run (USA) | 24h | |||
| 126.615 km | Witko, David | *Chandler, AZ | Overall: 6 | M: 5 | Cat M60: 1 |
| 24.-25.08.2019 | Six Days in the Dome - The Redux 24h Day 2 - 100km Split (USA) | 100km | |||
| 15:19:51 h | Witko, David | *Brookfield, WI | Overall: 18 | M: 13 | Cat M60: 1 |
| 24.-25.08.2019 | Six Days in the Dome - The Redux 24h Day 2 (USA) | 24h | |||
| 139.688 km | Witko, David | *Brookfield, WI | Overall: 12 | M: 9 | Cat M60: 1 |
| 24.-25.08.2019 | Six Days in the Dome - The Redux 24h Day 2 - 50km Split (USA) | 50km | |||
| 7:14:01 h | Witko, David | *Brookfield, WI | Overall: 21 | M: 15 | Cat M60: 2 |
| 24.-25.08.2019 | Six Days in the Dome - The Redux 24h Day 2 - 50mi Split (USA) | 50mi | |||
| 11:48:32 h | Witko, David | *Brookfield, WI | Overall: 19 | M: 14 | Cat M60: 1 |
| 06.-07.04.2019 | Umstead Endurance Run 50 Miles (USA) | 50mi | |||
| 11:15:38 h | Witko, David | *WI | Overall: 29 | M: 20 | Cat M60: 2 |
| 09.03.2019 | Mesquite Canyon 50 km (USA) | 50km | |||
| 7:21:45 h | Witko, David | *Brookfield, WI | Overall: 45 | M: 33 | Cat M60: 2 |
| 02.03.2019 | Way Too Cool 50K Endurance Run (USA) | 50km | |||
| 6:02:48 h | Witko, David | *Brookfield, WI | Overall: 231 | M: 192 | Cat M60: 3 |
| 2018 | 9 Events, 750.087 km (More) | ||||
| 31.12.2018-01.01.2019 | Across the Years, 24h (USA) | 24h | |||
| 108.126 km | Witko, David | *Brookfield, WI | Overall: 46 | M: 27 | Cat M60: 4 |
| 14.10.2018 | Glacial Trail 50 Mile Race (USA) | 50mi | |||
| 11:18:48 h | Witko, David | *AZ | Overall: 26 | M: 21 | Cat M55: 2 |
| 01.-02.09.2018 | Badgerland F/X 24 Hour Run (USA) | 24h | |||
| 140.560 km | Witko, David | *Chandler, AZ | Overall: 3 | M: 3 | Cat M55: 1 |
| 02.-03.06.2018 | Kettle Moraine 100 Mile Endurance Run (USA) | 100mi | |||
| 26:53:08 h | Witko, David | *Chandler, AZ | Overall: 98 | M: 85 | Cat M55: 1 |
| 28.04.2018 | The Canyons Endurance 50 Km Run (USA) | 50km | |||
| 7:32:03 h | Witko, David | *Chandler, AZ | Overall: 20 | M: 17 | Cat M55: 1 |
| 17.03.2018 | Mesquite Canyon 50 km (USA) | 50km | |||
| 6:59:51 h | Witko, David | *Chandler, AZ | Overall: 30 | M: 22 | Cat M55: 1 |
| 03.03.2018 | Way Too Cool 50K Endurance Run (USA) | 50km | |||
| 6:07:03 h | Witko, David | *Chandler, AZ | Overall: 268 | M: 208 | Cat M55: 9 |
| 17.02.2018 | Black Canyon Trail 60 Km Run (USA) | 60km | |||
| 8:26:30 h | Witko, David | *Chandler, AZ | Overall: 70 | M: 50 | Cat M55: 6 |
| 27.01.2018 | AZT Oracle Rumble 50 Km (USA) | 50km | |||
| 7:33:31 h | Witko, David | *Chandler, AZ | Overall: 33 | M: 25 | Cat M55: 2 |
| 2017 | 7 Events, 543.664 km (More) | ||||
| 27.12.2017-02.01.2018 | Across the Years, 24h (USA) | 24h | |||
| 116.575 km | Witko, David | Overall: 44 | M: 28 | Cat M55: 5 | |
| 07.-08.10.2017 | Arkansas Traveller 100 (USA) | 100mi | |||
| 27:14:30 h | Witko, David | *NY | Overall: 43 | M: 32 | Cat M55: 1 |
| 16.09.2017 | Endurance Challenge - Wisconsin Trail 50 km (USA) | 50km | |||
| 6:07:07 h | Witko, David | *Chandler, AZ | Overall: 62 | M: 46 | Cat M55: 2 |
| 03.-04.06.2017 | Kettle Moraine 38 Mile Night Run (USA) | 38mi | |||
| 9:13:36 h | Witko, David | *Chandler, AZ | Overall: 12 | M: 8 | Cat M55: 1 |
| 13.05.2017 | Endurance Challenge - New York Trail 50 km (USA) | 50km | |||
| 7:13:14 h | Witko, David | *Chandler, AZ | Overall: 210 | M: 180 | Cat M55: 4 |
| 29.04.2017 | The Canyons Endurance 50 Km Run (USA) | 50km | |||
| 8:12:58 h | Witko, David | *Chandler, AZ | Overall: 27 | M: 23 | Cat M55: 4 |
| 07.04.2017 | The Zion 55 km Run (USA) | 55km | |||
| 7:41:05 h | Witko, David | *Chandler, AZ | Overall: 122 | M: 89 | Cat M55: 3 |
| 2016 | 6 Events, 409.324 km (More) | ||||
| 29.-30.10.2016 | Javelina Jundred 100 km Endurance Run (USA) | 100km | |||
| 15:08:59 h | Witko, David | *Chandler, AZ | Overall: 37 | M: 26 | Cat M55: 3 |
| 10.09.2016 | Superior Fall Trail Races 50 Mile (USA) | 50mi | |||
| 15:34:45 h | Witko, David | *Chandler, AZ | Overall: 60 | M: 50 | Cat M55: 2 |
| 19.-20.08.2016 | Anchor Down Ultra 12 Hour Run (USA) | 12h | |||
| 78.857 km | Witko, David | *Chandler, AZ | Overall: 12 | M: 7 | Cat M55: 1 |
| 14.05.2016 | Gold Rush 50k (USA) | 50km | |||
| 6:21:42 h | Witko, David | *Chandler, AZ | Overall: 48 | M: 36 | Cat M55: 5 |
| 30.04.2016 | Endurance Challenge - New York Trail 50 km (USA) | 50km | |||
| 7:08:12 h | Witko, David | *Chandler, AZ | Overall: 264 | M: 218 | Cat M55: 5 |
| 16.04.2016 | Leona Divide 50 km Run (USA) | 50km | |||
| 6:42:30 h | Witko, David | Overall: 89 | M: 60 | Cat M55: 2 | |
| 2015 | 4 Events, 230.467 km (More) | ||||
| 18.-19.07.2015 | Tahoe Rim Trail 50M Endurance Run (USA) | 50mi | |||
| 14:03:24 h | Witko, David | *Chandler, AZ | Overall: 89 | M: 72 | Cat M55: 6 |
| 05.06.2015 | Bryce 50 km Trail Run (USA) | 50km | |||
| 7:50:15 h | Witko, David | *Chandler, AZ | Overall: 38 | M: 23 | Cat M55: 1 |
| 02.05.2015 | The Canyons Endurance 50 Km Run (USA) | 50km | |||
| 8:31:57 h | Witko, David | *Chandler, AZ | Overall: 50 | M: 35 | Cat M55: 3 |
| 28.03.2015 | Crown King Scramble 50K (USA) | 50km | |||
| 7:19:25 h | Witko, David | Overall: 126 | M: 96 | Cat M55: 7 | |
| 2014 | 1 Event, 50 km (More) | ||||
| 03.05.2014 | Endurance Challenge - New York Trail 50 km (USA) | 50km | |||
| 8:13:44 h | Witko, David | *Chandler, AZ | Overall: 264 | M: 213 | Cat M55: 9 |
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 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | |
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| 50km | 7:14:01 |
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7:14:01
(19128/779) |
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| 50mi | 11:48:32 |
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11:48:32
(759/461) |
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| 100km | 15:19:51 |
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15:19:51
(10569/111) |
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| 12h | 87.467 |
87.467
(1424/103) |
82.680
(1497/145) |
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| 24h | 139.688 |
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139.688
(1601/186) |
108.126
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116.575
(2430/325) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | ||
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| The Canyons Endurance 50 Km Run | 4 | 7:14:56 | 7:32:03 | 8:12:58 | 8:31:57 | |||||||
| Glacial Trail 50 km Race | 4 | 7:00:45 | 7:03:29 | 10:31:04 | 6:58:53 | |||||||
| Black Canyon Trail 60 Km Run | 3 | 7:26:06 | 9:24:33 | 8:26:30 | ||||||||
| Mesquite Canyon 50 km | 3 | 7:44:30 | 7:21:45 | 6:59:51 | ||||||||
| Endurance Challenge - New York Trail 50 km | 3 | 7:13:14 | 7:08:12 | 8:13:44 | ||||||||
| Badgerland F/X 24 Hour Run | 3 | 99.224 | 126.615 | 140.560 | ||||||||
| Across the Years, 24h | 3 | 112.976 | 108.126 | 116.575 | ||||||||
| Fat Ox 12 Hour Run | 2 | 87.467 | 82.680 | |||||||||
| Way Too Cool 50K Endurance Run | 2 | 6:02:48 | 6:07:03 | |||||||||
| Badgerland F/X 12 Hour Run (night) | 2 | 80.724 | 72.315 | |||||||||
| Kettle Moraine 38 Mile Night Run | 2 | 11:03:25 | 9:13:36 |