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| Name: | Errthum, Kathy |
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| Club: | |||
| Residence: | La Crosse, WI | ||
| Year of birth: | 1976 | (Cat. german: W50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: W45) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 243269 | ||
61 search results (61 Events, 9147.528 km). (More)
| 2025 | 9 Events, 1362.627 km (More) | ||||
|---|---|---|---|---|---|
| 06.-07.12.2025 | The Hitchcock Experience 100 Miles (USA) | 100mi | |||
| 32:30:13 h | Errthum, Kathy | *La Crosse, WI | Overall: 12 | F: 2 | Cat W45: 1 |
| 08.-09.11.2025 | tBunk Endurance Challenge 100 Mile (USA) | 101mi | |||
| 29:29:52 h | Errthum, Kathy | *WI | Overall: 13 | F: 2 | Cat W45: 1 |
| 17.-18.10.2025 | Mines of Spain 100 Mile Race (USA) | 100mi | |||
| 30:50:26 h | Errthum, Kathy | *La Crosse, WI | Overall: 48 | F: 11 | Cat W45: 2 |
| 13.-14.09.2025 | Iron Will 100 Miles (USA) | 100mi | |||
| 28:32:46 h | Errthum, Kathy | *La Crosse, WI | Overall: 6 | F: 2 | Cat W45: 1 |
| 05.-06.09.2025 | Superior Fall Trail Races 100 Mile (USA) | 100mi | |||
| 37:01:49 h | Errthum, Kathy | *La Crosse, WI | Overall: 160 | F: 27 | Cat W45: 6 |
| 10.-13.04.2025 | Potawatomi 200 Mile Trail Run (USA) | 200mi | |||
| 3d 03:20:00 h | Errthum, Kathy | *La Crosse, WI | Overall: 9 | F: 1 | Cat W45: 1 |
| 01.03.2025 | The Skyline Scramble (USA) | 12h | |||
| 69.201 km | Errthum, Kathy | *La Crosse, WI | Overall: 14 | F: 3 | Cat W45: 1 |
| 14.-15.02.2025 | Running Up For Air - Staunton Rocks (USA) | 24h | |||
| 102.837 km | Errthum, Kathy | Overall: 4 | F: 1 | Cat W45: 1 | |
| 25.01.2025 | Cactus Roulette Endurance - 12h Owl (USA) | 12h | |||
| 62.442 km | Errthum, Kathy | *La Crosse, WI | Overall: 3 | F: 1 | Cat W45: 1 |
| 2024 | 6 Events, 795.206 km (More) | ||||
| 07.-08.12.2024 | The Hitchcock Experience 100 Miles (USA) | 100mi | |||
| 32:21:36 h | Errthum, Kathy | *La Crosse, WI | Overall: 12 | F: 3 | Cat W45: 2 |
| 18.-19.10.2024 | Mines of Spain 100 Mile Race (USA) | 100mi | |||
| 28:54:39 h | Errthum, Kathy | *La Crosse, WI | Overall: 43 | F: 7 | Cat W45: 1 |
| 06.-07.09.2024 | Superior Fall Trail Races 100 Mile (USA) | 100mi | |||
| 37:32:57 h | Errthum, Kathy | *La Crosse, WI | Overall: 159 | F: 37 | Cat W45: 9 |
| 28.-29.06.2024 | Black Hills 100 Mile Run (USA) | 100mi | |||
| 33:14:07 h | Errthum, Kathy | *La Crosse, WI | Overall: 36 | F: 4 | Cat W45: 2 |
| 17.-18.02.2024 | Stories Ultra 30 Hour Run (USA) | 30h | |||
| 79.694 km | Errthum, Kathy | *La Crosse, WI | Overall: 13 | F: 1 | Cat W45: 1 |
| 27.-28.01.2024 | Cactus Roulette Endurance - 12h Owl (USA) | 12h | |||
| 71.776 km | Errthum, Kathy | *La Crosse, WI | Overall: 1 | F: 1 | Cat W45: 1 |
| 2023 | 5 Events, 965.604 km (More) | ||||
| 09.-10.12.2023 | The Hitchcock Experience 100 Miles (USA) | 100mi | |||
| 33:04:45 h | Errthum, Kathy | *La Crosse, WI | Overall: 16 | F: 4 | Cat W45: 2 |
| 20.-21.10.2023 | Mines of Spain 100 Mile Race (USA) | 100mi | |||
| 30:43:49 h | Errthum, Kathy | *La Crosse, WI | Overall: 53 | F: 12 | Cat W45: 3 |
| 08.-09.09.2023 | Superior Fall Trail Races 100 Mile (USA) | 100mi | |||
| 37:19:36 h | Errthum, Kathy | *La Crosse, WI | Overall: 151 | F: 34 | Cat W45: 5 |
| 25.-29.08.2023 | Oregon 200 (USA) | 200mi | |||
| 4d 02:18:44 h | Errthum, Kathy | *La Crosse, WI | Overall: 29 | F: 9 | Cat W45: 3 |
| 04.-05.03.2023 | Jackpot Ultra Running Festival 100 Mile Race - US Championship (USA) | 100mi | |||
| 23:37:53 h | Errthum, Kathy | *La Crosse, WI | Overall: 16 | F: 6 | Cat W45: 2 |
| 2022 | 7 Events, 1046.071 km (More) | ||||
| 10.-11.12.2022 | The Hitchcock Experience 100 Miles (USA) | 100mi | |||
| 31:36:08 h | Errthum, Kathy | *La Crosse, WI | Overall: 12 | F: 3 | Cat W45: 2 |
| 14.-15.10.2022 | Mines of Spain 100 Mile Race (USA) | 100mi | |||
| 29:45:51 h | Errthum, Kathy | *La Crosse, WI | Overall: 38 | F: 8 | Cat W45: 2 |
| 10.-11.09.2022 | Superior Fall Trail Races 100 Mile (USA) | 100mi | |||
| 35:27:33 h | Errthum, Kathy | *La Crosse, WI | Overall: 87 | F: 16 | Cat W45: 3 |
| 24.-25.06.2022 | Black Hills 100 Mile Run (USA) | 100mi | |||
| 32:23:41 h | Errthum, Kathy | *La Crosse, WI | Overall: 35 | F: 6 | Cat W45: 2 |
| 08.04.2022 | Zumbro Midnight 50 Mile Trail Race (USA) | 50mi | |||
| 17:23:48 h | Errthum, Kathy | *La Crosse, WI | Overall: 70 | F: 24 | Cat W45: 5 |
| 26.-27.03.2022 | Prairie Spirit 100 Mile Trail Ultra Race (USA) | 100mi | |||
| 24:50:41 h | Errthum, Kathy | *La Crosse, WI | Overall: 34 | F: 9 | Cat W45: 2 |
| 20.-21.02.2022 | Jackpot Ultra Running Festival 100 Mile Race - US Championship (USA) | 100mi | |||
| 23:17:20 h | Errthum, Kathy | *La Crosse, WI | Overall: 21 | F: 6 | Cat W45: 1 |
| 2021 | 8 Events, 1207.005 km (More) | ||||
| 11.-12.12.2021 | The Hitchcock Experience 100 Miles (USA) | 100mi | |||
| 32:21:28 h | Errthum, Kathy | *La Crosse, WI | Overall: 25 | F: 7 | Cat W40: 2 |
| 15.-16.10.2021 | Mines of Spain 100 Mile Race (USA) | 100mi | |||
| 29:07:04 h | Errthum, Kathy | *La Crosse, WI | Overall: 35 | F: 7 | Cat W40: 2 |
| 10.-11.09.2021 | Superior Fall Trail Races 100 Mile (USA) | 100mi | |||
| 35:20:35 h | Errthum, Kathy | *La Crosse, WI | Overall: 89 | F: 19 | Cat W40: 7 |
| 09.-10.07.2021 | Cry Me A River 100 Mile Trail Run (USA) | 100mi | |||
| 34:20:27 h | Errthum, Kathy | *WI | Overall: 10 | F: 3 | Cat W40: 2 |
| 05.-06.06.2021 | The Loco Go Big or Go Home Challenge 100M (USA) | 100mi | |||
| 28:53:55 h | Errthum, Kathy | *La Crosse, WI | Overall: 6 | F: 1 | Cat W40: 1 |
| 23.-24.04.2021 | Jackpot Ultra Running Festival 100 Mile Race - US Championship (USA) | 100mi | |||
| 22:41:09 h | Errthum, Kathy | *La Crosse, WI | Overall: 18 | F: 7 | Cat W40: 3 |
| 27.-28.03.2021 | Prairie Spirit 100 Mile Trail Ultra Race (USA) | 100mi | |||
| 24:47:45 h | Errthum, Kathy | *La Crosse, WI | Overall: 28 | F: 10 | Cat W40: 5 |
| 13.-15.02.2021 | Outlaw 100 Oklahoma - 50 Mile Run (USA) | 50mi | |||
| 18:38:08 h | Errthum, Kathy | *La Crosse, WI | Overall: 10 | F: 3 | Cat W40: 2 |
| 2020 | 2 Events, 321.868 km (More) | ||||
| 16.-17.10.2020 | Mines of Spain 100 Mile Race (USA) | 100mi | |||
| 28:58:36 h | Errthum, Kathy | *La Crosse, WI | Overall: 45 | F: 18 | Cat W40: 5 |
| 26.-27.09.2020 | Midwest Everest 100 Mile Race (USA) | 100mi | |||
| 35:10:40 h | Errthum, Kathy | *La Crosse, WI | Overall: 6 | F: 1 | Cat W40: 1 |
| 2019 | 5 Events, 804.67 km (More) | ||||
| 14.-15.12.2019 | The Hitchcock Experience 100 Miles (USA) | 100mi | |||
| 30:17:17 h | Errthum, Kathy | *La Crosse, WI | Overall: 15 | F: 2 | Cat W40: 1 |
| 18.-19.10.2019 | Mines of Spain 100 Mile Race (USA) | 100mi | |||
| 29:35:35 h | Errthum, Kathy | *La Crosse, WI | Overall: 32 | F: 8 | Cat W40: 2 |
| 06.-07.09.2019 | Superior Fall Trail Races 100 Mile (USA) | 100mi | |||
| 35:23:39 h | Errthum, Kathy | *La Crosse, WI | Overall: 130 | F: 22 | Cat W40: 7 |
| 06.-07.07.2019 | Cry Me A River 100 Mile Trail Run (USA) | 100mi | |||
| 33:33:55 h | Errthum, Kathy | *La Crosse, WI | Overall: 7 | F: 2 | Cat W40: 1 |
| 30.-31.03.2019 | Prairie Spirit 100 Mile Trail Ultra Race (USA) | 100mi | |||
| 25:54:58 h | Errthum, Kathy | *La Crosse, WI | Overall: 23 | F: 11 | Cat W40: 2 |
| 2018 | 5 Events, 804.67 km (More) | ||||
| 08.-09.12.2018 | The Hitchcock Experience 100 Miles (USA) | 100mi | |||
| 33:14:16 h | Errthum, Kathy | *La Crosse, WI | Overall: 11 | F: 5 | Cat W40: 2 |
| 20.-21.10.2018 | Mines of Spain 100 Mile Race (USA) | 100mi | |||
| 29:41:50 h | Errthum, Kathy | *La Crosse, WI | Overall: 15 | F: 4 | Cat W40: 1 |
| 07.-08.09.2018 | Superior Fall Trail Races 100 Mile (USA) | 100mi | |||
| 35:43:45 h | Errthum, Kathy | *La Crosse, WI | Overall: 127 | F: 27 | Cat W40: 4 |
| 23.-24.06.2018 | Black Hills 100 Mile Run (USA) | 100mi | |||
| 33:24:25 h | Errthum, Kathy | *La Crosse, WI | Overall: 45 | F: 11 | Cat W40: 3 |
| 24.-25.03.2018 | Prairie Spirit 100 Mile Trail Ultra Race (USA) | 100mi | |||
| 24:50:41 h | Errthum, Kathy | *La Crosse, WI | Overall: 34 | F: 9 | Cat W40: 1 |
| 2017 | 3 Events, 482.802 km (More) | ||||
| 09.-10.12.2017 | The Hitchcock Experience 100 Miles (USA) | 100mi | |||
| 29:23:36 h | Errthum, Kathy | *La Crosse, WI | Overall: 13 | F: 3 | Cat W40: 2 |
| 08.-09.09.2017 | Superior Fall Trail Races 100 Mile (USA) | 100mi | |||
| 36:31:15 h | Errthum, Kathy | *La Crosse, WI | Overall: 148 | F: 28 | Cat W40: 5 |
| 07.-08.04.2017 | Zumbro 100 Mile Endurance Run (USA) | 100mi | |||
| 29:53:12 h | Errthum, Kathy | *La Crosse, WI | Overall: 26 | F: 7 | Cat W40: 3 |
| 2016 | 4 Events, 643.736 km (More) | ||||
| 10.-11.12.2016 | The Hitchcock Experience 100 Miles (USA) | 100mi | |||
| 32:29:31 h | Errthum, Kathy | *La Crosse, WI | Overall: 15 | F: 3 | Cat W35: 1 |
| 09.-10.09.2016 | Superior Fall Trail Races 100 Mile (USA) | 100mi | |||
| 36:00:36 h | Errthum, Kathy | *La Crosse, WI | Overall: 99 | F: 14 | Cat W35: 7 |
| 25.-26.06.2016 | Black Hills 100 Mile Run (USA) | 100mi | |||
| 33:45:50 h | Errthum, Kathy | *La Crosse, WI | Overall: 28 | F: 7 | Cat W35: 3 |
| 04.-05.06.2016 | Kettle Moraine 100 Mile Endurance Run (USA) | 100mi | |||
| 28:26:12 h | Errthum, Kathy | *La Crosse, WI | Overall: 105 | F: 24 | Cat W35: 6 |
| 2015 | 3 Events, 260.934 km (More) | ||||
| 04.07.2015 | Afton Trail Run 50K (USA) | 50km | |||
| 5:54:43 h | Errthum, Kathy | *Lacrosse, WI | Overall: 69 | F: 13 | Cat W35: 4 |
| 10.-11.04.2015 | Zumbro 100 Mile (USA) | 100mi | |||
| 33:30:42 h | Errthum, Kathy | *La Crosse, WI | Overall: 46 | F: 10 | Cat W35: 2 |
| 10.01.2015 | Frozen Gnome 50K (USA) | 50km | |||
| 7:34:38 h | Errthum, Kathy | *Lacrosse, WI | Overall: 37 | F: 8 | Cat W35: 1 |
| 2014 | 1 Event, 160.934 km (More) | ||||
| 11.-12.04.2014 | Zumbro 100 Mile (USA) | 100mi | |||
| 32:53:34 h | Errthum, Kathy | *La Crosse, WI | Overall: 19 | F: 4 | Cat W35: 1 |
| 2013 | 1 Event, 160.934 km (More) | ||||
| 01.-02.06.2013 | Kettle Moraine 100 Mile Endurance Run (USA) | 100mi | |||
| 28:33:59 h | Errthum, Kathy | *La Crosse, WI | Overall: 89 | F: 16 | Cat W35: 5 |
| 2012 | 1 Event, 50 km (More) | ||||
| 19.05.2012 | Superior Spring 50 km Trail Race (USA) | 50km | |||
| 6:41:13 h | Errthum, Kathy | *La Crosse, WI | Overall: 79 | F: 14 | Cat W35: 2 |
| 2011 | 1 Event, 80.467 km (More) | ||||
| 22.10.2011 | Des Plaines River 50 Miles Trail Race (USA) | 50mi | |||
| 9:36:58 h | Errthum, Kathy | *La Crosse, WI | Overall: 41 | F: 7 | Cat W23: 5 |
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 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | |
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| 100mi | 22:41:09 |
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23:37:53
(252/47) |
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22:41:09
(136/38) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | ||
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| The Hitchcock Experience 100 Miles | 9 | 32:30:13 | 32:21:36 | 33:04:45 | 31:36:08 | 32:21:28 | 30:17:17 | 33:14:16 | 29:23:36 | 32:29:31 | ||||||
| Superior Fall Trail Races 100 Mile | 9 | 37:01:49 | 37:32:57 | 37:19:36 | 35:27:33 | 35:20:35 | 35:23:39 | 35:43:45 | 36:31:15 | 36:00:36 | ||||||
| Mines of Spain 100 Mile Race | 8 | 30:50:26 | 28:54:39 | 30:43:49 | 29:45:51 | 29:07:04 | 28:58:36 | 29:35:35 | 29:41:50 | |||||||
| Prairie Spirit 100 Mile Trail Ultra Race | 4 | 24:50:41 | 24:47:45 | 25:54:58 | 24:50:41 | |||||||||||
| Black Hills 100 Mile Run | 4 | 33:14:07 | 32:23:41 | 33:24:25 | 33:45:50 | |||||||||||
| Jackpot Ultra Running Festival 100 Mile Race - US Championship | 3 | 23:37:53 | 23:17:20 | 22:41:09 | ||||||||||||
| Zumbro 100 Mile | 3 | 29:53:12 | 33:30:42 | 32:53:34 | ||||||||||||
| Cactus Roulette Endurance - 12h Owl | 2 | 62.442 | 71.776 | |||||||||||||
| Cry Me A River 100 Mile Trail Run | 2 | 34:20:27 | 33:33:55 | |||||||||||||
| Kettle Moraine 100 Mile Endurance Run | 2 | 28:26:12 | 28:33:59 |