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KS
Karen Sersen
FemaleIllinois2012–2026
36
Total Finishes
14
Different Races
3
States (6%)
2:01:51
PR (9:18/mi)
2:35:38
Average
+0:35:20
Slower (first to last)
Medal House
2019
Schaumburg Turkey Trot Half Marathon & 5K
2:32:43
#829 overall#385 gender
2018
Amita Health Fit America 10K
2:29:58
#380 overall#180 gender
2018
March Madness Half Marathon
2:32:43
#893 overall#391 gender
2017
Chi Town Half Marathon & 10K
2:18:02
#1441 overall#684 gender
2017
March Madness Half Marathon
2:18:57
#803 overall#362 gender
2017
Schaumburg Turkey Trot Half Marathon & 5K
2:23:12
#1056 overall#523 gender
2015
March Madness Half Marathon
2:21:16
#934 overall#378 gender
2015
Schaumburg Turkey Trot Half Marathon & 5K
2:29:27
#1162 overall#581 gender
2014
March Madness Half Marathon
2:23:43
#871 overall#363 gender
2013
Chi Town Half Marathon & 10K
2:16:44
#821 overall#393 gender
2012
Schaumburg Turkey Trot Half Marathon & 5K
2:01:51
#788 overall#316 gender
2012
March Madness Half Marathon
2:04:06
#766 overall#247 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | March Madness Half MarathonCary | IL | 2:37:11 | #552 |
| 2025 | Ooh La La Chocolate RunGeneva | IL | 2:33:58 | #218 |
| 2025 | Chi Town Half Marathon & 10KChicago | IL | 2:41:23 | #1642 |
| 2025 | Chicago 13.1Chicago | IL | 2:44:18 | #8060 |
| 2025 | 2025 500 Festival Running EventsIndianapolis | IN | 2:49:59 | #12881 |
| 2025 | Stars & StripesHoffman Estates | IL | 2:50:32 | #438 |
| 2024 | Brew City Marathon, Half Marathon, 10K & 5KMilwaukee | WI | 2:26:49 | #1192 |
| 2024 | Ooh La La Chocolate RunGeneva | IL | 2:27:21 | #189 |
| 2024 | March Madness Half MarathonCary | IL | 2:28:07 | #676 |
| 2024 | Crystal Lake Half MarathonCrystal Lake | IL | 2:42:41 | #218 |
| 2024 | Chicago 13.1Chicago | IL | 2:44:16 | #6639 |
| 2023 | Ooh La La Chocolate RunGeneva | IL | 2:33:08 | #256 |
| 2023 | Semper Running Half MarathonLake Geneva | WI | 2:37:57 | #161 |
| 2023 | Chicago 13.1Chicago | IL | 2:43:41 | #5313 |
| 2022 | Brew City Marathon, Half Marathon, 10K & 5KMilwaukee | WI | 2:39:10 | #796 |
| 2022 | Ooh La La Chocolate RunGeneva | IL | 2:40:21 | #273 |
| 2022 | Chicago 13.1Chicago | IL | 2:45:50 | #3215 |
| 2022 | Semper Running Half MarathonLake Geneva | WI | 2:49:03 | #137 |
| 2022 | 2026 Biggest Little Half Marathon, 10K & 5KReno | NV | 2:59:21 | #414 |
| 2022 | Detroit Free Press MarathonDetroit | MI | 3:29:37 | #6012 |
| 2021 | Chi Town Half Marathon & 10KChicago | IL | 2:34:30 | #1482 |
| 2021 | Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village | IL | 2:39:25 | #824 |
| 2021 | Omaha MarathonOmaha | NE | 2:42:57 | #159 |
| 2019 | Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village | IL | 2:32:43 | #829 |
| 2019 | Amita Health Fit America 10KHoffman Estates | IL | 2:48:39 | #195 |
| 2018 | Amita Health Fit America 10KHoffman Estates | IL | 2:29:58 | #380 |
| 2018 | March Madness Half MarathonCary | IL | 2:32:43 | #893 |
| 2017 | Chi Town Half Marathon & 10KChicago | IL | 2:18:02 | #1441 |
| 2017 | March Madness Half MarathonCary | IL | 2:18:57 | #803 |
| 2017 | Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village | IL | 2:23:12 | #1056 |
| 2015 | March Madness Half MarathonCary | IL | 2:21:16 | #934 |
| 2015 | Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village | IL | 2:29:27 | #1162 |
| 2014 | March Madness Half MarathonCary | IL | 2:23:43 | #871 |
| 2013 | Chi Town Half Marathon & 10KChicago | IL | 2:16:44 | #821 |
| 2012 | Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village | IL | 2:01:51 | #788 |
| 2012 | March Madness Half MarathonCary | IL | 2:04:06 | #766 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
ILIllinois
28 racesWIWisconsin
4 racesNENebraska
1 race50-State Challenge
3/ 51 states + DC
48 states to go