Races run by Michael Kostka


Seq
Race
Date
City
State
Country
Time
Distance
Bib
Overall
Place
Sex
Place
Age
Place
Pop up
Remarks
44 Groundhog Day Marathon 02/07/2026 Grand Rapids MI USA 03:38:29 Marathon 77 9 8 3 No Cold
43 Yankee Springs Winter Challenge 50K 01/03/2026 Middleville MI USA 05:41:45 50km 166 8 8 No The snow w...
42 Detroit Free Press Marathon 10/19/2025 Detroit MI USA 03:32:29 Marathon 5028 310 253 No Rainy and ...
41 Hallucination 100 09/05/2025 Gregory MI USA 27:46:40 100mi 83 48 39 No Brutal, bu...
40 Millennium Meadows Marathon 08/24/2025 Grand Rapids MI USA 03:46:19 Marathon 137 54 No
39 Dirty Burg 07/12/2025 Belmont MI USA 06:41:21 50km 113 9 No Very hot a...
38 Charlevoix Marathon 06/21/2025 Charlevoix MI USA 03:11:42 Marathon 309 40 34 No Rainy
37 Glass City Marathon 04/27/2025 Toledo OH USA 03:22:47 Marathon 1155 341 274 No
36 Trail 50K 04/26/2025 Pinckney MI USA 05:23:32 50km 49 22 No
35 Martian Marathon 04/12/2025 Dearborn MI USA 03:31:59 Marathon 96 37 29 No
34 Groundhog Day Marathon 02/08/2025 Grand Rapids MI USA 03:41:05 Marathon 87 12 10 1 No
33 Yankee Springs Winter Challenge 50 Mile 01/04/2025 Middleville MI USA 09:38:01 50mi 154 5 5 3 No
32 Midwest Everest 09/28/2024 Belmont MI USA 35:42:48 100mi 309 4 3 No
31 Millennium Meadows Marathon 08/25/2024 Grand Rapids MI USA 03:50:00 Marathon No
30 Dirty Burg 07/20/2024 MI USA 05:51:00 50km No
29 Yankee Springs Trail Run - 100K 06/01/2024 MI USA 11:24:48 100km No
28 Armed Services Marathon 05/19/2024 Grand Haven MI USA 03:05:21 Marathon No
27 Jackpot Ultras 02/16/2024 NV USA 23:14:00 100mi No
26 Grand Rapids Marathon 10/15/2023 Grand Rapids MI USA 03:26:00 Marathon No
25 Millennium Meadows Marathon 08/27/2023 Grand Rapids MI USA 03:11:00 Marathon No
24 Kensington Marathons - 50K 07/29/2023 MI USA 03:58:53 50km No
23 Six Days in the Dome - 48 Hour 06/16/2023 WI USA 48:00:00 Ultra No
22 The Hennepin Hundred 10/01/2022 IL USA 22:43:00 100mi No
21 Wicked Worm 12 Hour 06/18/2022 MI USA 23:00:00 Ultra No
20 Lighthouse 06/11/2022 MI USA 20:20:00 100mi No
19 Indiana Trail 10/09/2021 IN USA 27:43:00 100mi No
18 Burning River 07/24/2021 OH USA 28:10:00 100mi No
17 Veterans Memorial 150 05/29/2021 MI USA 52:00:00 Ultra No
16 Midwest Everest 09/26/2020 MI USA 32:57:00 100mi No
15 Woodstock Festival 09/06/2019 MI USA 27:46:00 100mi No
14 Dirty Burg 07/13/2019 MI USA 05:31:00 50km No
13 St. Pats 24 Hour Race 10/20/2018 IN USA 08:00:00 Ultra No
12 Mohican 06/16/2018 OH USA 28:37:00 100mi No
11 Glaciel Esker 40 04/28/2018 IN USA 06:34:00 Ultra No
10 Bad Apple Ultra 10/28/2017 MI USA 12:00:00 Ultra No
9 Grand Rapids Marathon 10/15/2017 Grand Rapids MI USA 03:11:00 Marathon No
8 Dirty Burg 07/15/2017 MI USA 04:51:00 50km No
7 Yankee Springs Trail Run - 52.4 Miler 06/03/2017 MI USA 08:54:00 Ultra No
6 The Trail Marathon - 50K 04/29/2017 MI USA 04:51:00 50km No
5 Great Lakes Bay Marathon 05/17/2015 Midland MI USA 03:49:00 Marathon No
4 Yankee Springs Trail Marathon 06/06/2014 Middleville MI USA 04:46:00 Marathon No
3 The Trail Marathon - 50K 04/27/2014 Pinckney MI USA 06:31:00 50km No
2 Dances with Dirt 50 Miler 09/21/2013 Hell MI USA 11:37:52 50mi No
1 Great Lakes Bay Marathon 05/19/2013 Midland MI USA 04:58:00 Marathon No