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JK
Joseph Kerr
MaleMichigan1993–2026
15
Total Finishes
11
Different Races
6
States (12%)
1:31:50
PR (7:01/mi)
2:21:32
Average
+1:31:57
Slower (first to last)
Medal House
2017
Rockfest Half Marathon
2:15:30
#2765 overall#1098 gender
2016
Back Roads Half Marathon
2:09:43
#191 overall#94 gender
2016
Detroit Free Press Marathon
2:30:47
#5605 overall#2773 gender
2016
Rocky Run
3:03:25
#1247 overall#713 gender
2015
Fall Classic
1:44:58
#118 overall#84 gender
2012
Rock ‘n’ Roll Philadelphia Half Marathon
2:08:56
#7801 overall#4186 gender
2011
Rock 'n' Roll Virgina Beach Half Marathon
2:14:43
#4845 overall#2793 gender
2008
Rock 'n' Roll Chicago Half Marathon
2:50:40
#7912 overall#3874 gender
2004
Rock 'n' Roll Chicago Half Marathon
2:04:44
#2107 overall#1430 gender
2003
Rock ‘n’ Roll Philadelphia Half Marathon
2:34:12
#6680 overall#3999 gender
1994
DEXTER-ANN ARBOR RUN
1:31:50
#217 overall#195 gender
1993
DEXTER-ANN ARBOR RUN
1:35:54
#341 overall#312 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Medal Madness 5K, 10K & 13.1M at Naples, FL (10)Naples | FL | 3:07:51 | #6 |
| 2018 | Martian Invasion of the RacesDearborn | MI | 2:16:50 | #512 |
| 2017 | Rockfest Half MarathonHampton Beach | NH | 2:15:30 | #2765 |
| 2017 | Martian Invasion of the RacesDearborn | MI | 2:20:13 | #651 |
| 2017 | Rocky RunPhiladelphia | PA | 3:01:47 | #2084 |
| 2016 | Back Roads Half MarathonClarkston | MI | 2:09:43 | #191 |
| 2016 | Detroit Free Press MarathonDetroit | MI | 2:30:47 | #5605 |
| 2016 | Rocky RunPhiladelphia | PA | 3:03:25 | #1247 |
| 2015 | Fall ClassicStrongsville | OH | 1:44:58 | #118 |
| 2012 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:08:56 | #7801 |
| 2011 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:14:43 | #4845 |
| 2008 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:50:40 | #7912 |
| 2004 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:04:44 | #2107 |
| 2003 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:34:12 | #6680 |
| 1994 | DEXTER-ANN ARBOR RUNDexter | MI | 1:31:50 | #217 |
| 1993 | DEXTER-ANN ARBOR RUNDexter | MI | 1:35:54 | #341 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MIMichigan
6 racesPAPennsylvania
4 racesILIllinois
2 racesOHOhio
1 raceDCDistrict of Columbia
0 racesMAMassachusetts
0 races50-State Challenge
6/ 51 states + DC
45 states to go