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| Name: | Kolakovich, Shirley |
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| Club: | |||
| Residence: | White Lake, MI | ||
| Year of birth: | 1971 | (Cat. german: W55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: W50) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 236947 | ||
61 search results (57 Events, 5690.472 km). (More)
| 2025 | 1 Event, 49.889 km (More) | ||||
|---|---|---|---|---|---|
| 04.10.2025 | Bear Lake Ultra Race (USA) | 24h | |||
| 49.889 km | McCaslin, Shirley | *Clarkston, MI | Overall: 82 | F: 43 | Cat W50: 12 |
| 2024 | 1 Event, 50 km (More) | ||||
| 27.04.2024 | The Trail Marathon 50K - Trail Weekend (USA) | 50km | |||
| 7:51:52 h | McCaslin, Shirley | Overall: 67 | F: 20 | Cat W50: 2 | |
| 2023 | 5 Events, 339.721 km (More) | ||||
| 07.10.2023 | Bear Lake Ultra Race (USA) | 24h | |||
| 69.848 km | McCaslin, Shirley | *Clarkston, IN | Overall: 54 | F: 25 | Cat W50: 3 |
| 16.09.2023 | Run Rabbit Run 50 Mile Endurance Run (USA) | 50mi | |||
| 15:43:08 h | McCaslin, Shirley | *Clarkston, MI | Overall: 155 | F: 69 | Cat W50: 5 |
| 30.07.2023 | Kensington Marathon 50km Race (USA) | 50km | |||
| 6:06:13 h | McCaslin, Shirley | *Clarkston, MI | Overall: 15 | F: 3 | Cat W50: 1 |
| 01.04.2023 | Kal-Haven Trail Run (USA) | 33.5mi | |||
| 7:57:07 h | McCaslin, Shirley | *Clarkston, MI | Overall: 57 | F: 23 | Cat W50: 6 |
| 03.-05.03.2023 | Jackpot Ultra Running Festival 48 Hour Race (USA) | 48h | |||
| 85.493 km | McCaslin, Shirley | *Clarkston, MI | Overall: 44 | F: 19 | Cat W50: 7 |
| 2022 | 4 Events, 479.745 km (More) | ||||
| 28.12.2022-03.01.2023 | Across the Years, 6 days (USA) | 6d | |||
| 209.087 km | McCaslin, Shirley | *Clarkston, MI | Overall: 43 | F: 17 | Cat W50: 3 |
| 12.11.2022 | The Stinger 12 Hour Race (USA) | 12h | |||
| 51.788 km | McCaslin, Shirley | *Clarkston, MI | Overall: 10 | F: 8 | Cat W50: 1 |
| 01.04.2022 | Vernal Equinox 12 Hour Race (USA) | 12h | |||
| 51.499 km | McCaslin, Shirley | *Clarkston, MI | Overall: 36 | F: 21 | Cat W50: 4 |
| 18.-21.02.2022 | Jackpot Ultra Running Festival 72 Hour Race (USA) | 72h | |||
| 167.371 km | McCaslin, Shirley | *Clarkston, MI | Overall: 22 | F: 13 | Cat W50: 5 |
| 2021 | 7 Events, 468.149 km (More) | ||||
| 13.-14.11.2021 | The Stinger 24 Hour Race (USA) | 24h | |||
| 82.865 km | McCaslin, Shirley | *Clarkston, MI | Overall: 39 | F: 13 | Cat W45: 4 |
| 09.10.2021 | Bear Lake Ultra Race (USA) | 24h | |||
| 49.889 km | McCaslin, Shirley | *Clarkston, MI | Overall: 67 | F: 31 | Cat W45: 6 |
| 25.09.2021 | Dances with Dirt - Hell 50K Ultra (USA) | 50km | |||
| 7:21:06 h | McCaslin, Shirley | Overall: 17 | F: 2 | Cat W45: 1 | |
| 10.-11.09.2021 | Run Woodstock - 100 km Hallucination Run (USA) | 100km | |||
| 24:14:31 h | McCaslin, Shirley | Overall: 34 | F: 16 | Cat W45: 5 | |
| 24.07.2021 | Loopty Loop 12 Hour Ultra Trail Marathon (USA) | 12h | |||
| 59.867 km | McCaslin, Shirley | *Clarkston, MI | Overall: 39 | F: 17 | Cat W45: 5 |
| 08.05.2021 | Island Time 6 Hour Race (USA) | 6h | |||
| 45.061 km | McCaslin, Shirley | Overall: 12 | F: 3 | Cat W45: 1 | |
| 27.-28.03.2021 | Vernal Equinox 24 Hour Race (USA) | 24h | |||
| 80.467 km | McCaslin, Shirley | *Clarkston, MI | Overall: 27 | F: 6 | Cat W45: 1 |
| 2020 | 2 Events, 152.887 km (More) | ||||
| 17.10.2020 | Bear Lake Ultra Race (USA) | 24h | |||
| 49.889 km | McCaslin, Shirley | *Clarkston, MI | Overall: 53 | F: 22 | Cat W45: 4 |
| 14.-16.02.2020 | Jackpot Ultra Running Festival 48 Hour Race (USA) | 48h | |||
| 102.998 km | McCaslin, Shirley | *Clarkston, MI | Overall: 62 | F: 35 | Cat W45: 7 |
| 2019 | 5 Events, 412.271 km (More) | ||||
| 28.09.2019 | Bear Lake Ultra Race (USA) | 24h | |||
| 99.779 km | McCaslin, Shirley | *Clarkston, MI | Overall: 16 | F: 6 | Cat W45: 2 |
| 21.-22.09.2019 | North Coast 24 Hour Endurance Run (USA) | 24h | |||
| 100.963 km | Kolakovich, Shirley | *Clarkston, MI | Overall: 44 | F: 13 | Cat W45: 4 |
| 08.06.2019 | Two Parks Trail Run (USA) | 50km | |||
| 6:53:12 h | McCaslin, Shirley | *Clarkston, MI | Overall: 19 | F: 5 | Cat W45: 1 |
| 01.06.2019 | Yankee Springs 52 Mile Trail Run (USA) | 52.4mi | |||
| 13:14:13 h | Kolakovich, Shirley | *Clarkston, MI | Overall: 20 | F: 6 | Cat W45: 2 |
| 11.-12.05.2019 | Dawn to Dusk to Dawn 24 Hour Ultra (USA) | 24h | |||
| 77.200 km | Kolakovich, Shirley | *Clarkston, MI | Overall: 43 | F: 17 | Cat W45: 3 |
| 2018 | 4 Events, 596.216 km (More) | ||||
| 28.12.2018-03.01.2019 | Across the Years, 6 days (USA) | 6d | |||
| 322.694 km | Kolakovich, Shirley | *Clarkston, MI | Overall: 54 | F: 19 | Cat W45: 3 |
| 22.-23.09.2018 | North Coast 24 Hour Endurance Run (USA) | 24h | |||
| 100.803 km | Kolakovich, Shirley | *Clarkston, MI | Overall: 79 | F: 27 | Cat W45: 8 |
| 28.07.2018 | Loopty Loop 12 Hour Ultra Trail Marathon (USA) | 12h | |||
| 82.720 km | Kolakovich, Shirley | Overall: 18 | F: 7 | Cat W45: 1 | |
| 12.-13.05.2018 | Dawn to Dusk to Dawn 24 Hour Ultra (USA) | 24h | |||
| 89.999 km | Kolakovich, Shirley | *Clarkston, MI | Overall: 28 | F: 12 | Cat W45: 2 |
| 2017 | 6 Events, 787.589 km (More) | ||||
| 27.12.2017-02.01.2018 | Across the Years, 6 days (USA) | 6d | |||
| 241.598 km | Kolakovich, Shirley | Overall: 41 | F: 14 | Cat W45: 3 | |
| 28.10.2017 | Bad Apple Ultra - 12 hour (USA) | 12h | |||
| 64.373 km | Kolakovich, Shirley | *Clarkston, MI | Overall: 30 | F: 9 | Cat W45: 2 |
| 30.09.2017 | Thru The Leaves 50k Trail Run (USA) | 50km | |||
| 6:38:40 h | Kolakovich, Shirley | *Clarkston, MI | Overall: 10 | F: 4 | Cat W45: 1 |
| 16.-17.09.2017 | North Coast 24 Hour Endurance Run (USA) | 24h | |||
| 88.185 km | Kolakovich, Shirley | Overall: 93 | F: 31 | Cat W45: 8 | |
| 29.07.2017 | Loopty Loop 12 Hour Ultra Trail Marathon (USA) | 12h | |||
| 82.720 km | Kolakovich, Shirley | Overall: 10 | F: 2 | Cat W45: 1 | |
| 21.-27.04.2017 | Sri Chinmoy 6 Day Race (USA) | 6d | |||
| 260.713 km | Kolakovich, Shirley | Overall: 33 | F: 14 | Cat W45: 2 | |
| 21.-23.04.2017 | Sri Chinmoy 6 Day Race - 48h Split (USA) | 48h | |||
| 106.216 km | Kolakovich, Shirley | Overall: 34 | F: 15 | Cat W45: 2 | |
| 21.-22.04.2017 | Sri Chinmoy 6 Day Race - 24h Split (USA) | 24h | |||
| 78.857 km | Kolakovich, Shirley | Overall: 33 | F: 15 | Cat W45: 2 | |
| 2016 | 4 Events, 318.647 km (More) | ||||
| 17.-18.09.2016 | North Coast 24 Hour Endurance Run (USA) | 24h | |||
| 59.433 km | Kolakovich, Shirley | Overall: 159 | F: 56 | Cat W40: 10 | |
| 23.-24.07.2016 | Montour 24 Endurance Runs - 24hrs run (USA) | 24h | |||
| 67.592 km | Kolakovich, Shirley | *Clarkston, MI | Overall: 67 | F: 23 | Cat W40: 3 |
| 26.-29.05.2016 | INFINITUS 2016 - 72 Hour Ultramarathon (USA) | 72h | |||
| 141.622 km | Kolakovich, Shirley | Overall: 12 | F: 2 | Cat W40: 2 | |
| 24.04.2016 | The Trail Marathon 50K (USA) | 50km | |||
| 6:28:14 h | Kolakovich, Shirley | *Clarkston, MI | Overall: 71 | F: 22 | Cat W40: 5 |
| 2015 | 6 Events, 1137.126 km (More) | ||||
| 28.12.2015-03.01.2016 | Across the Years, 6 days (USA) | 6d | |||
| 322.689 km | Kolakovich, Shirley | *White Lake, MI | Overall: 42 | F: 12 | Cat W40: 2 |
| 12.-13.09.2015 | Run Woodstock - 100 Mile Hallucination Run (USA) | 100mi | |||
| 29:18:55 h | Kolakovich, Shirley | Overall: 83 | F: 20 | Cat W40: 6 | |
| 25.-26.07.2015 | Burning River 50 Mile Endurance Run (USA) | 50mi | |||
| 13:34:00 h | Kolakovich, Shirley | *White Lake, MI | Overall: 121 | F: 39 | Cat W40: 6 |
| 20.06.2015 | Niagara Ultra 50 km (CAN) | 50km | |||
| 5:23:29 h | Kolakovich, Shirley | *White Lake, MI | Overall: 84 | F: 33 | Cat W40: 4 |
| 28.-31.05.2015 | INFINITUS 2015 - 72 Hour Ultramarathon (USA) | 72h | |||
| 183.465 km | Kolakovich, Shirley | Overall: 3 | F: 1 | Cat W40: 1 | |
| 23.-29.04.2015 | Sri Chinmoy 6 Day Race (USA) | 6d | |||
| 339.571 km | Kolakovich, Shirley | *Whitelake, MI | Overall: 29 | F: 14 | Cat W40: 1 |
| 23.-25.04.2015 | Sri Chinmoy 6 Day Race - 48h Split (USA) | 48h | |||
| 162.543 km | Kolakovich, Shirley | *Whitelake, MI | Overall: 26 | F: 12 | Cat W40: 1 |
| 23.-24.04.2015 | Sri Chinmoy 6 Day Race - 24h Split (USA) | 24h | |||
| 101.388 km | Kolakovich, Shirley | *Whitelake, MI | Overall: 25 | F: 11 | Cat W40: 1 |
| 2014 | 4 Events, 288.182 km (More) | ||||
| 25.10.2014 | Bad Apple Ultra - 12 hour (USA) | 12h | |||
| 77.248 km | Kolakovich, Shirley | *White Lake, MI | Overall: 20 | F: 8 | Cat W40: 2 |
| 20.09.2014 | Dances with Dirt - Hell 50M Ultra (USA) | 50mi | |||
| 12:09:55 h | Kolakovich, Shirley | *ME | Overall: 25 | F: 5 | Cat W40: 2 |
| 27.04.2014 | The Trail Marathon 50K (USA) | 50km | |||
| 6:53:39 h | Kolakovich, Shirley | *White Lake, MI | Overall: 106 | F: 22 | Cat W40: 5 |
| 04.01.2014 | Yankee Springs 50 Mile Winter Challenge (USA) | 50mi | |||
| 14:00:07 h | Kolakovich, Shirley | *White Lake, MI | Overall: 16 | F: 3 | Cat W40: 2 |
| 2013 | 5 Events, 368.649 km (More) | ||||
| 26.10.2013 | Bad Apple Ultra - 12 hour (USA) | 12h | |||
| 77.248 km | Kolakovich, Shirley | Overall: 17 | F: 4 | Cat W40: 1 | |
| 13.07.2013 | Dances with Dirt - Devil's Lake 50M Ultra (USA) | 50mi | |||
| 12:20:38 h | Kolakovich, Shirley | Overall: 61 | F: 12 | Cat W40: 4 | |
| 01.06.2013 | Yankee Springs 50 Mile Trail Run (USA) | 50mi | |||
| 13:15:55 h | Kolakovich, Shirley | *White Lake, MI | Overall: 15 | F: 4 | Cat W40: 1 |
| 11.05.2013 | Dances with Dirt - Gnaw Bone 50 Mile Ultra (USA) | 50mi | |||
| 12:32:15 h | Kolakovich, Shirley | Overall: 45 | F: 9 | Cat W40: 2 | |
| 05.01.2013 | Yankee Springs 50 km Winter Challenge (USA) | 50km | |||
| 5:48:43 h | Kolakovich, Shirley | Overall: 36 | F: 4 | Cat W40: 1 | |
| 2012 | 1 Event, 80.467 km (More) | ||||
| 24.03.2012 | Dances with Dirt - Green Swamp 50 Mile Ultra (USA) | 50mi | |||
| 11:31:24 h | Kolakovich, Shirley | *White Lake, MI | Overall: 27 | F: 8 | Cat W40: 2 |
| 2011 | 2 Events, 160.934 km (More) | ||||
| 24.09.2011 | Dances with Dirt - Hell 50M Ultra (USA) | 50mi | |||
| 12:43:41 h | Kolakovich, Shirley | *White Lake, MI | Overall: 61 | F: 12 | Cat W35: 3 |
| 27.08.2011 | North Country Trail Run 50 Mile (USA) | 50mi | |||
| 12:43:00 h | Kolakovich, Shirley | *White Lake, MI | Overall: 128 | F: 29 | Cat W35: 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 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | |
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| 50km | 5:23:29 |
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5:23:29
(1951/149) |
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| 12h | 51.788 |
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51.788
(981/242) |
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| 24h | 101.388 |
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82.865
(812/245) |
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100.963
(1117/276) |
100.803
(1063/245) |
88.185
(1133/254) |
59.433
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101.388
(893/235) |
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| 48h | 162.543 |
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85.493
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102.998
(184/126) |
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106.216
(171/56) |
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162.543
(124/36) |
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| 6d | 339.571 |
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209.087
(133/30) |
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322.694
(106/27) |
260.713
(107/20) |
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339.571
(90/14) |
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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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| Bear Lake Ultra Race | 5 | 49.889 | 69.848 | 49.889 | 49.889 | 99.779 | ||||||||||
| Across the Years, 6 days | 4 | 209.087 | 322.694 | 241.598 | 322.689 | |||||||||||
| North Coast 24 Hour Endurance Run | 4 | 100.963 | 100.803 | 88.185 | 59.433 | |||||||||||
| Loopty Loop 12 Hour Ultra Trail Marathon | 3 | 59.867 | 82.720 | 82.720 | ||||||||||||
| Bad Apple Ultra - 12 hour | 3 | 64.373 | 77.248 | 77.248 | ||||||||||||
| The Trail Marathon 50K | 3 | 7:51:52 | 6:28:14 | 6:53:39 | ||||||||||||
| INFINITUS 2015 - 72 Hour Ultramarathon | 2 | 141.622 | 183.465 | |||||||||||||
| Jackpot Ultra Running Festival 48 Hour Race | 2 | 85.493 | 102.998 | |||||||||||||
| Dawn to Dusk to Dawn 24 Hour Ultra | 2 | 77.200 | 89.999 | |||||||||||||
| Yankee Springs 50 Mile Trail Run | 2 | 13:14:13 | 13:15:55 | |||||||||||||
| Dances with Dirt - Hell 50M Ultra | 2 | 12:09:55 | 12:43:41 | |||||||||||||
| Sri Chinmoy 6 Day Race | 2 | 260.713 | 339.571 |