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JK
John Kerr
MaleMichigan1983–2026
140
Total Finishes
54
Different Races
19
States (38%)
1:22:11
PR (6:16/mi)
2:02:51
Average
+2:11:53
Slower (first to last)
Medal House
2005
Rocky Mountain Half Marathon & 5K
1:30:36
#49 overall#38 gender
2005
Rock 'n' Roll Nashville
1:54:11
#1933 overall#1368 gender
1999
Life Time Chicago Half Marathon + 5K
1:49:06
#1148 overall#915 gender
1999
Beer City Half™ San Diego
1:50:55
#1655 overall#1294 gender
1998
Beer City Half™ San Diego
1:41:11
#804 overall#690 gender
1998
Life Time Chicago Half Marathon + 5K
1:44:09
#489 overall#422 gender
1998
Pinckney Trail Weekend
2:13:48
#229 overall#182 gender
1995
Dexter Ann Arbor Run
1:44:31
#508 overall#454 gender
1995
2025 500 Festival Running Events
2:03:24
#5100 overall#4228 gender
1988
Beer City Half™ San Diego
2:04:32
#2886 overall#2886 gender
1984
Dexter Ann Arbor Run
1:22:11
#80 overall#79 gender
1983
Dexter Ann Arbor Run
1:23:18
#154 overall#150 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | — | #1909 |
| 2025 | Pacific Beach Half MarathonSan Diego | CA | 1:40:12 | #228 |
| 2025 | Pacific Beach Half Marathon & 5KSan Diego County | CA | 1:40:12 | #228 |
| 2025 | The Colorado MarathonFort Collins | CO | 1:40:47 | #107 |
| 2025 | Dances With Dirt - Devil's LakeBaraboo | WI | 3:35:11 | #455 |
| 2024 | Frederick Running FestivalFrederick | MD | 2:00:21 | #847 |
| 2024 | Frederick Running FestivalFrederick | MD | 2:00:22 | #847 |
| 2023 | The Colorado MarathonFort Collins | CO | 1:38:36 | #75 |
| 2023 | Platte River Half-Marathon, Relay & 5kLittleton | CO | 1:45:59 | #100 |
| 2023 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:08:23 | #1848 |
| 2022 | Detroit Free Press MarathonDetroit | MI | 2:54:50 | #5143 |
| 2022 | Pinckney Trail WeekendPinckney | MI | 3:16:02 | #200 |
| 2019 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:03:46 | #2546 |
| 2019 | Kiawah Island MarathonKiawah Island | SC | 2:19:54 | #1655 |
| 2019 | Martian Invasion of RacesDearborn | MI | 2:20:49 | #483 |
| 2019 | Deadwood Mickelson Trail MarathonDeadwood | SD | 2:27:33 | #897 |
| 2019 | Trail MarathonPinckney | MI | 2:53:59 | #468 |
| 2018 | Duke City MarathonAlbuquerque | NM | 1:56:03 | #229 |
| 2018 | Detroit Free Press MarathonDetroit | MI | 1:59:16 | #1871 |
| 2018 | Trinity Health Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon WalkAnn Arbor | MI | 2:15:45 | #401 |
| 2018 | Ann Arbor MarathonAnn Arbor | MI | 2:15:45 | #401 |
| 2018 | Martian Invasion of RacesDearborn | MI | 2:18:34 | #531 |
| 2018 | Deadwood Mickelson Trail MarathonDeadwood | SD | 2:38:16 | #1053 |
| 2018 | Deadwood - Mickelson Trail Marathon | — | 2:38:16 | #1053 |
| 2018 | Carmel Marathon WeekendCarmel | IN | 2:45:37 | #1436 |
| 2018 | Pinckney Trail WeekendPinckney | MI | 2:51:08 | #480 |
| 2018 | 2025 500 Festival Running EventsIndianapolis | IN | 2:57:47 | #14162 |
| 2017 | Charlottesville MarathonCharlottesville | VA | 1:51:51 | #110 |
| 2017 | Portage Winter Blast Half MarathonPortage | MI | 1:58:44 | #142 |
| 2017 | The LegendLaingsburg | MI | 2:05:07 | #96 |
| 2017 | Detroit Free Press MarathonDetroit | MI | 2:08:31 | #2327 |
| 2017 | Indianapolis Monumental MarathonIndianapolis | IN | 2:29:24 | #5452 |
| 2016 | Capital City Half MarathonColumbus | OH | 1:48:48 | #914 |
| 2016 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 1:50:01 | #1214 |
| 2016 | Columbus MarathonColumbus | OH | 1:50:01 | #1216 |
| 2016 | Detroit Free Press MarathonDetroit | MI | 1:51:26 | #750 |
| 2016 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:52:17 | #353 |
| 2016 | The LegendLaingsburg | MI | 1:55:47 | #50 |
| 2016 | Trinity Health Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon WalkAnn Arbor | MI | 2:10:44 | #755 |
| 2016 | Ann Arbor MarathonAnn Arbor | MI | 2:10:44 | #17 |
| 2016 | Deadwood Mickelson Trail MarathonDeadwood | SD | 2:29:22 | #1141 |
| 2016 | Deadwood - Mickelson Trail Marathon | — | 2:29:22 | #1141 |
| 2015 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 1:27:00 | #62 |
| 2015 | Dexter Ann Arbor RunDexter | MI | 1:38:53 | #232 |
| 2015 | Portage Winter Blast Half MarathonPortage | MI | 1:40:42 | #58 |
| 2015 | Borgess Run For The Health Of It!Kalamazoo | MI | 1:42:38 | #139 |
| 2015 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 1:46:37 | #1090 |
| 2015 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:46:49 | #219 |
| 2015 | Kentucky Derby Festival Race WeekendLouisville | KY | 1:51:28 | #1365 |
| 2015 | Capital City Half MarathonColumbus | OH | 1:51:44 | #1163 |
| 2015 | The LegendLaingsburg | MI | 1:58:25 | #87 |
| 2015 | Detroit Free Press MarathonDetroit | MI | 2:00:41 | #2183 |
| 2014 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 1:28:15 | #48 |
| 2014 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:41:04 | #111 |
| 2014 | Charlottesville MarathonCharlottesville | VA | 1:48:51 | #122 |
| 2014 | Capital City Half MarathonColumbus | OH | 1:50:03 | #1268 |
| 2014 | The LegendLaingsburg | MI | 2:12:42 | #208 |
| 2014 | Wisconsin MarathonKenosha | WI | 2:47:32 | #1831 |
| 2013 | Dexter Ann Arbor RunDexter | MI | 1:43:36 | #387 |
| 2013 | Capital City Half MarathonColumbus | OH | 1:44:14 | #737 |
| 2013 | Martian Invasion of RacesDearborn | MI | 1:46:51 | #321 |
| 2013 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:51:02 | #229 |
| 2013 | The LegendLaingsburg | MI | 1:53:06 | #82 |
| 2013 | Drake RelaysDes Moines | IA | 2:28:12 | #1439 |
| 2013 | Wisconsin MarathonKenosha | WI | 2:42:08 | #1992 |
| 2012 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 1:45:34 | #931 |
| 2012 | Columbus MarathonColumbus | OH | 1:45:34 | #934 |
| 2012 | Detroit Free Press MarathonDetroit | MI | 1:53:06 | #1128 |
| 2012 | Martian Invasion of RacesDearborn | MI | 1:59:24 | #735 |
| 2012 | Dexter Ann Arbor RunDexter | MI | 2:03:03 | #1393 |
| 2012 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 2:03:14 | #502 |
| 2012 | Borgess Run For The Health Of It!Kalamazoo | MI | 2:12:08 | #1255 |
| 2012 | Delaware & Lehigh Heritage Half Marathon Walk and RunSlatington | PA | 2:39:27 | #371 |
| 2012 | The LegendLaingsburg | MI | 2:45:23 | #322 |
| 2012 | Shamrock MarathonVirginia Beach | VA | 3:01:05 | #7049 |
| 2011 | Kaiser Permanente Colfax MarathonDenver | CO | 1:51:27 | #588 |
| 2011 | Kaiser Permanente Colfax Marathon | — | 1:51:27 | #588 |
| 2011 | Charlottesville MarathonCharlottesville | VA | 1:59:18 | #436 |
| 2011 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 2:07:04 | #438 |
| 2011 | Martian Invasion of RacesDearborn | MI | 2:08:01 | #1080 |
| 2011 | Capital City Half MarathonColumbus | OH | 2:10:57 | #3195 |
| 2011 | Dexter Ann Arbor RunDexter | MI | 2:11:48 | #2077 |
| 2011 | Borgess Run For The Health Of It!Kalamazoo | MI | 2:13:53 | #1235 |
| 2010 | Battleship North Carolina Half 5KWilmington | NC | 1:39:28 | #102 |
| 2010 | NCRC Invitational Half-Marathon and 10kCary | NC | 1:44:26 | #98 |
| 2010 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 1:52:02 | #1700 |
| 2010 | Columbus MarathonColumbus | OH | 1:52:02 | #1702 |
| 2010 | Borgess Run For The Health Of It!Kalamazoo | MI | 2:01:12 | #600 |
| 2009 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 1:25:21 | #53 |
| 2009 | City of Oaks MarathonRaleigh | NC | 1:46:32 | #261 |
| 2009 | Detroit Free Press MarathonDetroit | MI | 2:00:29 | #2180 |
| 2009 | Dexter Ann Arbor RunDexter | MI | 2:05:11 | #1758 |
| 2009 | La Jolla Half Marathon, 10K, & 5KLa Jolla | CA | 2:09:50 | #2793 |
| 2009 | Borgess Run For The Health Of It!Kalamazoo | MI | 2:23:48 | #797 |
| 2008 | Dexter Ann Arbor RunDexter | MI | 1:56:19 | #1144 |
| 2008 | Martian Invasion of RacesDearborn | MI | 1:59:46 | #686 |
| 2008 | Detroit Free Press MarathonDetroit | MI | 2:00:28 | #1816 |
| 2008 | Capital City Half MarathonColumbus | OH | 2:02:01 | #1430 |
| 2007 | Canyonlands Half MarathonMoab | UT | 1:29:12 | #74 |
| 2007 | Columbus MarathonColumbus | OH | 1:56:49 | #1153 |
| 2007 | Dexter Ann Arbor RunDexter | MI | 2:13:32 | #1625 |
| 2007 | Capital City Half MarathonColumbus | OH | 2:18:31 | #2056 |
| 2006 | Denver Half Marathon and 10KDenver | CO | 1:32:38 | #52 |
| 2006 | Two Cities MarathonFresno | CA | 2:17:14 | #460 |
| 2005 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 1:30:36 | #49 |
| 2005 | Rock 'n' Roll NashvilleNashville | TN | 1:54:11 | #1933 |
| 2005 | Dexter Ann Arbor RunDexter | MI | 2:10:21 | #1501 |
| 2005 | Rock 'n' Roll NashvilleNashville | TN | 2:12:35 | #5071 |
| 1999 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:49:06 | #1148 |
| 1999 | Beer City Half™ San DiegoSan Diego | CA | 1:50:55 | #1655 |
| 1998 | Beer City Half™ San DiegoSan Diego | CA | 1:41:11 | #804 |
| 1998 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:44:09 | #489 |
| 1998 | Pinckney Trail WeekendPinckney | MI | 2:13:48 | #229 |
| 1995 | Dexter Ann Arbor RunDexter | MI | 1:44:31 | #508 |
| 1995 | 2025 500 Festival Running EventsIndianapolis | IN | 2:03:24 | #5100 |
| 1988 | Beer City Half™ San DiegoSan Diego | CA | 2:04:32 | #2886 |
| 1984 | Dexter Ann Arbor RunDexter | MI | 1:22:11 | #80 |
| 1983 | Dexter Ann Arbor RunDexter | MI | 1:23:18 | #154 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MIMichigan
52 racesOHOhio
15 racesCOColorado
10 racesCACalifornia
8 racesINIndiana
4 racesVAVirginia
4 racesNCNorth Carolina
3 racesWIWisconsin
3 racesSDSouth Dakota
3 racesILIllinois
2 racesTNTennessee
2 racesMDMaryland
2 racesUTUtah
1 racePAPennsylvania
1 raceIAIowa
1 raceKYKentucky
1 raceNMNew Mexico
1 raceNVNevada
1 raceSCSouth Carolina
1 race50-State Challenge
19/ 50 states
31 states to go