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DK
David Kazmierczak
MaleIllinois2007–2025
24
Total Finishes
11
Different Races
1
States (2%)
1:26:22
PR (6:36/mi)
1:32:40
Average
-0:04:49
Faster (first to last)
Medal House
2016
Life Time Chicago Half Marathon + 5K
1:29:38
#72 overall#61 gender
2015
Life Time Chicago Half Marathon + 5K
1:31:07
#126 overall#111 gender
2015
Chicago Spring Half Marathon
1:37:11
#133 overall#114 gender
2014
Life Time Chicago Half Marathon + 5K
1:29:49
#234 overall#200 gender
2014
Chicago Spring Half Marathon
1:36:14
#171 overall#147 gender
2013
Life Time Chicago Half Marathon + 5K
1:30:02
#198 overall#165 gender
2012
Life Time Chicago Half Marathon + 5K
1:29:57
#287 overall#250 gender
2011
Life Time Chicago Half Marathon + 5K
1:36:58
#523 overall#434 gender
2010
Life Time Chicago Half Marathon + 5K
1:37:28
#689 overall#573 gender
2009
Life Time Chicago Half Marathon + 5K
1:26:22
#165 overall#147 gender
2008
Rock 'n' Roll Chicago Half Marathon
1:32:01
#303 overall#279 gender
2007
Rock 'n' Roll Chicago Half Marathon
1:32:00
#352 overall#327 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Hidden Gem Half MarathonFlossmoor | IL | 1:27:11 | #188 |
| 2024 | Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village | IL | 1:29:29 | #29 |
| 2024 | Aurora Half Marathon and 5KAurora | IL | 1:37:56 | #34 |
| 2024 | Stars & StripesHoffman Estates | IL | 1:40:00 | #31 |
| 2023 | Fox Valley Marathon RacesSaint Charles | IL | 1:34:48 | #35 |
| 2022 | Ooh La La Chocolate RunGeneva | IL | 1:33:59 | #18 |
| 2022 | Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village | IL | 1:36:22 | #57 |
| 2018 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:29:15 | #137 |
| 2018 | Half Madness Half MarathonBatavia | IL | 1:32:12 | #27 |
| 2017 | Half Madness Half MarathonBatavia | IL | 1:28:31 | #34 |
| 2017 | Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg | IL | 1:33:01 | #23 |
| 2016 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:29:38 | #72 |
| 2016 | Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg | IL | 1:32:24 | #40 |
| 2015 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:31:07 | #126 |
| 2015 | Chicago Spring Half MarathonChicago | IL | 1:37:11 | #133 |
| 2014 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:29:49 | #234 |
| 2014 | Chicago Spring Half MarathonChicago | IL | 1:36:14 | #171 |
| 2013 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:30:02 | #198 |
| 2012 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:29:57 | #287 |
| 2011 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:36:58 | #523 |
| 2010 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:37:28 | #689 |
| 2009 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:26:22 | #165 |
| 2008 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 1:32:01 | #303 |
| 2007 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 1:32:00 | #352 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
ILIllinois
24 races50-State Challenge
1/ 51 states + DC
50 states to go