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| Name: | Zak, Thomas |
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| Club: | |||
| Residence: | Shorewood, WI | ||
| Year of birth: | 1965 | (Cat. german: M60) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M60) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 55829 | ||
49 search results (48 Events, 3472.56 km). (More)
| 2025 | 2 Events, 100 km (More) | ||||
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| 16.08.2025 | Marquette Trail 50 km (USA) | 50km | |||
| 11:11:20 h | Zak, Thomas | *Shorewood, WI | Overall: 268 | M: 137 | Cat M55: 13 |
| 10.05.2025 | Ice Age Trail 50 km Run (USA) | 50km | |||
| 8:56:34 h | Zak, Thomas | *Milwaukee, WI | Overall: 200 | M: 108 | Cat M55: 7 |
| 2024 | 2 Events, 120.811 km (More) | ||||
| 04.05.2024 | Island Time 12 Hour Race (USA) | 12h | |||
| 70.811 km | Zak, Thomas | Overall: 20 | M: 13 | Cat M55: 1 | |
| 03.02.2024 | John Dick Memorial 50K (USA) | 50km | |||
| 7:02:31 h | Zak, Thomas | Overall: 41 | M: 31 | Cat M55: 3 | |
| 2022 | 1 Event, 79.823 km (More) | ||||
| 12.11.2022 | tBunk Endurance Challenge 50 Mile (USA) | 49.6mi | |||
| 12:12:10 h | Zak, Thomas | *WI | Overall: 13 | M: 9 | Cat M55: 2 |
| 2021 | 1 Event, 50.211 km (More) | ||||
| 13.11.2021 | tBunk Endurance Challenge 50 Km (USA) | 31.2mi | |||
| 6:43:38 h | Zak, Thomas | *WI | Overall: 24 | M: 17 | Cat M55: 1 |
| 2018 | 1 Event, 50.211 km (More) | ||||
| 04.11.2018 | tBunk Endurance Challenge 50 Km (USA) | 31.2mi | |||
| 7:25:35 h | Zak, Thomas | *WI | Overall: 29 | M: 14 | Cat M50: 4 |
| 2017 | 1 Event, 79.823 km (More) | ||||
| 04.11.2017 | tBunk Endurance Challenge 50 Mile (USA) | 49.6mi | |||
| 12:28:00 h | Zak, Thomas | *WI | Overall: 24 | M: 18 | Cat M50: 3 |
| 2016 | 1 Event, 50.211 km (More) | ||||
| 06.11.2016 | tBunk Endurance Challenge 50 Km (USA) | 31.2mi | |||
| 6:54:15 h | Zak, Thomas | *WI | Overall: 23 | M: 15 | Cat M50: 2 |
| 2011 | 1 Event, 50 km (More) | ||||
| 17.09.2011 | Endurance Challenge - Wisconsin Trail 50 km (USA) | 50km | |||
| 7:22:37 h | Zak, Thomas | *Shorewood | Overall: 173 | M: 133 | Cat M45: 14 |
| 2010 | 2 Events, 100 km (More) | ||||
| 18.09.2010 | Endurance Challenge - Wisconsin Trail 50 km (USA) | 50km | |||
| 6:56:35 h | Zak, Thomas | *Shorewood, WI | Overall: 121 | M: 100 | Cat M40: 10 |
| 08.05.2010 | Ice Age Trail 50 km Run (USA) | 50km | |||
| 6:38:18 h | Zak, Thomas | *Shorewood, WI | Overall: 117 | M: 78 | Cat M40: 12 |
| 2009 | 1 Event, 80.467 km (More) | ||||
| 09.05.2009 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 11:48:52 h | Zak, Thomas | *Shorewood, WI | Overall: 196 | M: 154 | Cat M40: 25 |
| 2008 | 1 Event, 80.467 km (More) | ||||
| 10.05.2008 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 11:25:55 h | Zak, Thomas | *Shorewood, WI | Overall: 180 | M: 143 | Cat M40: 23 |
| 2007 | 1 Event, 80.467 km (More) | ||||
| 12.05.2007 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 11:06:18 h | Zak, Thomas | *Shorewood, WI | Overall: 184 | M: 155 | Cat M40: 25 |
| 2006 | 2 Events, 130.467 km (More) | ||||
| 13.05.2006 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 11:16:29 h | Zak, Thomas | *Shorewood, WI | Overall: 186 | M: 149 | Cat M40: 21 |
| 01.02.2006 | John Dick Memorial Crusty 50K (USA) | 50km | |||
| 6:12:27 h | Zak, Thomas | Overall: 44 | M: 33 | Cat M40: 5 | |
| 2005 | 3 Events, 180.467 km (More) | ||||
| 14.05.2005 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 10:53:54 h | Zak, Thomas | *WI | Overall: 162 | M: 136 | Cat M35: 23 |
| 23.04.2005 | Trail Mix Race (USA) | 50km | |||
| 5:39:01 h | Zak, Thomas | *Shorewood, WI | Overall: 50 | M: 40 | Cat M35: 4 |
| 12.02.2005 | John Dick Memorial Crusty 50K (USA) | 50km | |||
| 6:27:13 h | Zak, Thomas | Overall: 30 | M: 23 | Cat M35: 5 | |
| 2004 | 2 Events, 130.467 km (More) | ||||
| 18.12.2004 | Huff 50K Trail Run (USA) | 50km | |||
| 6:00:36 h | Zak, Thomas | Overall: 137 | M: 116 | Cat M35: 14 | |
| 08.05.2004 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 10:36:48 h | Zak, Thomas | Overall: 145 | M: 124 | Cat M35: 17 | |
| 2003 | 5 Events, 469.55 km (More) | ||||
| 13.-14.09.2003 | Olander Park 24 Hour Run - 100mi Split (USA) | 100mi | |||
| 21:07:58 h | Zak, Thomas | *Shorewood, WI | Overall: 22 | M: 17 | Cat M35: 3 |
| 13.-14.09.2003 | Olander Park 24 Hour Run (USA) | 24h | |||
| 160.934 km | Zak, Thomas | *Shorewood, WI | Overall: 22 | M: 1 | Cat M35: 1 |
| 09.08.2003 | Howl at the Moon 8h Run (USA) | 8h | |||
| 78.149 km | Zak, Thomas | *Milwaukee, WI | Overall: 8 | M: 7 | Cat M35: 2 |
| 07.-08.06.2003 | Kettle Moraine 100 km Endurance Run (USA) | 100km | |||
| 12:10:56 h | Zak, Thomas | Overall: 8 | M: 6 | Cat M35: 2 | |
| 10.05.2003 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 9:27:13 h | Zak, Thomas | *Shorewood, WI | Overall: 65 | M: 53 | Cat M35: 11 |
| 01.02.2003 | John Dick Memorial Crusty 50K (USA) | 50km | |||
| 5:03:49 h | Zak, Thomas | Overall: 14 | M: 12 | Cat M35: 3 | |
| 2002 | 3 Events, 180.467 km (More) | ||||
| 28.12.2002 | Huff 50K Trail Run (USA) | 50km | |||
| 6:02:02 h | Zak, Thomas | *Shorewood, WI | Overall: 77 | M: 68 | Cat M35: 8 |
| 13.10.2002 | Glacial Trail 50 km Race (USA) | 50km | |||
| 5:54:29 h | Zak, Thomas | Overall: 23 | M: 15 | Cat M35: 3 | |
| 11.05.2002 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 9:24:42 h | Zak, Thomas | Overall: 72 | M: 65 | Cat M35: 13 | |
| 2001 | 5 Events, 479.731 km (More) | ||||
| 15.-16.09.2001 | Olander Park 24 Hour Run (USA) | 24h | |||
| 168.556 km | Zak, Thomas | *Shorewood, WI | Overall: 26 | M: 22 | Cat M35: 2 |
| 11.08.2001 | Howl at the Moon 8h Run (USA) | 8h | |||
| 80.708 km | Zak, Thomas | *Milwaukee, WI | Overall: 9 | M: 9 | Cat M35: 5 |
| 07.07.2001 | Afton Trail Run 50K (USA) | 50km | |||
| 5:00:00 h | Zak, Thomas | *Shorewood, WI | Overall: 7 | M: 6 | Cat M35: 4 |
| 02.-03.06.2001 | Kettle Moraine 100 km Endurance Run (USA) | 100km | |||
| 12:50:00 h | Zak, Thomas | *Shorewood, WI | Overall: 9 | M: 7 | Cat M35: 2 |
| 10.05.2001 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 8:41:02 h | Zak, Thomas | Overall: 49 | M: 43 | Cat M35: 13 | |
| 1999 | 3 Events, 180.467 km (More) | ||||
| 11.09.1999 | Dances with Dirt - Hell 50K Ultra (USA) | 50km | |||
| 4:46:48 h | Zak, Thomas | *WI | Overall: 5 | M: 5 | Cat M23: 3 |
| 03.07.1999 | Afton Trail Run 50K (USA) | 50km | |||
| 4:32:33 h | Zak, Thomas | Overall: 3 | M: 3 | Cat M23: 1 | |
| 08.05.1999 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 7:55:27 h | Zak, Thomas | *Milwaukee, WI | Overall: 35 | M: 32 | Cat M23: 8 |
| 1998 | 2 Events, 130.467 km (More) | ||||
| 16.05.1998 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 8:30:15 h | Zak, Thomas | *WI | Overall: 45 | M: 41 | Cat M23: 11 |
| 07.02.1998 | John A. Dick Memorial Crusty 50K (USA) | 50km | |||
| 4:57:45 h | Zak, Thomas | Overall: 15 | M: 13 | Cat M23: 3 | |
| 1997 | 3 Events, 185.184 km (More) | ||||
| 05.07.1997 | Afton Trail Run 50K (USA) | 50km | |||
| 4:10:03 h | Zak, Thomas | *WI | Overall: 3 | M: 3 | Cat M23: 2 |
| 17.05.1997 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 8:14:24 h | Zak, Thomas | *Milwaukee, WI | Overall: 41 | M: 37 | Cat M23: 8 |
| 12.04.1997 | Run to Lake Michigan (USA) | 34mi | |||
| 4:52:06 h | Zak, Thomas | *WI | Overall: 7 | M: 6 | Cat M23: 3 |
| 1996 | 3 Events, 321.868 km (More) | ||||
| 07.-08.06.1996 | Kettle Moraine 100 Mile Endurance Run (USA) | 100mi | |||
| 26:41:47 h | Zak, Thomas | Overall: 49 | M: 43 | Cat M23: 2 | |
| 18.05.1996 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 10:31:51 h | Zak, Thomas | Overall: 93 | M: 82 | Cat M23: 21 | |
| 04.05.1996 | Ouachita Trail 50 Mile (USA) | 50mi | |||
| 9:59:31 h | Zak, Thomas | Overall: 10 | M: 10 | Cat M23: 3 | |
| 1995 | 1 Event, 80.467 km (More) | ||||
| 13.05.1995 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 7:58:01 h | Zak, Thomas | Overall: 20 | M: 19 | Cat M23: 11 | |
| 1994 | 1 Event, 80.467 km (More) | ||||
| 21.05.1994 | Ice Age Trail 50 Mile Run (USA) | 50mi | |||
| 9:26:02 h | Zak, Thomas | Overall: 74 | M: 68 | Cat M23: 18 | |
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 | 2018 | 2017 | 2016 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | |
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| 100mi | 21:07:58 |
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21:07:58
(41/17) |
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| 24h | 168.556 |
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160.934
(549/91) |
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168.556
(310/45) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2022 | 2021 | 2018 | 2017 | 2016 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ice Age Trail 50 Mile Run | 14 | 11:48:52 | 11:25:55 | 11:06:18 | 11:16:29 | 10:53:54 | 9:27:13 | 9:24:42 | 8:41:02 | 7:55:27 | 8:30:15 | 8:14:24 | 10:31:51 | 7:58:01 | 9:26:02 | ||||||||||
| John A. Dick Memorial Crusty 50K | 5 | 7:02:31 | 6:12:27 | 6:27:13 | 5:03:49 | 4:57:45 | |||||||||||||||||||
| tBunk Endurance Challenge 50 Km | 3 | 6:43:38 | 7:25:35 | 6:54:15 | |||||||||||||||||||||
| Afton Trail Run 50K | 3 | 5:00:00 | 4:32:33 | 4:10:03 | |||||||||||||||||||||
| Ice Age Trail 50 Mile Run | 3 | 8:56:34 | 6:38:18 | 10:36:48 | |||||||||||||||||||||
| tBunk Endurance Challenge 50 Mile | 2 | 12:12:10 | 12:28:00 | ||||||||||||||||||||||
| Howl at the Moon 8h Run | 2 | 78.149 | 80.708 | ||||||||||||||||||||||
| Huff 50K Trail Run | 2 | 6:00:36 | 6:02:02 | ||||||||||||||||||||||
| Endurance Challenge - Wisconsin Trail 50 km | 2 | 7:22:37 | 6:56:35 | ||||||||||||||||||||||
| Kettle Moraine 100 km Endurance Run | 2 | 12:10:56 | 12:50:00 | ||||||||||||||||||||||
| Olander Park 24 Hour Run | 2 | 160.934 | 168.556 |