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JP
John Pfeiffer
MaleMichigan2003–2025
47
Total Finishes
28
Different Races
9
States (18%)
1:40:12
PR (7:39/mi)
2:31:59
Average
+0:54:30
Slower (first to last)
Medal House
2011
North Shore Classic
1:58:54
#1191 overall#792 gender
2011
Brooksie Way Half Marathon and 5K
2:08:05
#1381 overall#889 gender
2011
Martian Invasion of the Races
2:18:45
#1328 overall#767 gender
2011
Detroit Free Press Marathon
2:29:36
#5281 overall#2478 gender
2010
2025 Aramco Houston Half Marathon Searchable Finish Line Video
2:43:49
#7210 overall#3484 gender
2010
Community First Fox Cities Marathon presented by Miron Construction
3:09:14
#2503 overall#974 gender
2009
DEXTER-ANN ARBOR RUN
2:08:39
#1893 overall#1180 gender
2008
Brooksie Way Half Marathon and 5K
2:04:29
#1027 overall#713 gender
2007
Detroit Free Press Marathon
2:08:15
#2125 overall#1265 gender
2007
DEXTER-ANN ARBOR RUN
2:09:56
#1502 overall#1001 gender
2005
DEXTER-ANN ARBOR RUN
2:23:25
#1876 overall#1177 gender
2003
EPIC Marathon and Running Festival
1:53:56
#414 overall#291 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | March Madness Half MarathonCary | IL | 1:52:30 | #324 |
| 2025 | Stars & StripesHoffman Estates | IL | 1:56:22 | #148 |
| 2025 | Summer's Done 13.1Austin | TX | 2:48:26 | #9127 |
| 2024 | March Madness Half MarathonCary | IL | 1:56:44 | #407 |
| 2024 | Philadelphia MarathonPhiladelphia | PA | 2:08:15 | #5269 |
| 2024 | Newport MarathonNewport | RI | 3:05:29 | #2433 |
| 2019 | Indianapolis Monumental MarathonIndianapolis | IN | 2:23:12 | #5309 |
| 2019 | Grandma's MarathonDuluth | MN | 2:27:21 | #5301 |
| 2019 | Detroit Free Press MarathonDetroit | MI | 2:39:24 | #6781 |
| 2019 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:51:18 | #25165 |
| 2018 | Madison MarathonMadison | WI | 2:33:04 | #2217 |
| 2018 | Pittsburgh Marathon WeekendPittsburgh | PA | 2:40:50 | #10171 |
| 2016 | Flying Pig Pump and RunCincinnati | OH | 2:36:40 | #6978 |
| 2015 | Indianapolis Monumental MarathonIndianapolis | IN | 2:24:35 | #4930 |
| 2015 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:46:45 | #25056 |
| 2014 | Brooksie Way Half Marathon and 5KAuburn Hills | MI | 2:27:34 | #1766 |
| 2014 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 2:30:48 | #6536 |
| 2014 | Indy Half Marathon at Fort BenIndianapolis | IN | 2:33:28 | #1037 |
| 2014 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 3:16:56 | #9886 |
| 2013 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:43:34 | #130 |
| 2013 | DEXTER-ANN ARBOR RUNDexter | MI | 2:06:24 | #1547 |
| 2013 | Martian Invasion of the RacesDearborn | MI | 2:06:37 | #996 |
| 2013 | Detroit Free Press MarathonDetroit | MI | 2:08:37 | #3381 |
| 2013 | Brooksie Way Half Marathon and 5KAuburn Hills | MI | 2:09:55 | #1450 |
| 2013 | Cleveland Marathon & Half MarathonCleveland | OH | 2:10:25 | #3701 |
| 2013 | Michigan Wine Trail Half MarathonVadodara | MI | 2:23:50 | #274 |
| 2013 | Grand Island Trail RunMunising | MI | 2:28:16 | #167 |
| 2013 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 3:13:28 | #9610 |
| 2013 | OhioHealth Emerald City Half and Quarter MarathonDublin | OH | 3:22:37 | #1257 |
| 2013 | Kentucky Derby Festival Race WeekendLouisville | KY | 3:25:44 | #10537 |
| 2012 | Spring EquinoxWellington | CO | 1:40:12 | #81 |
| 2012 | DEXTER-ANN ARBOR RUNDexter | MI | 2:20:14 | #2070 |
| 2012 | North Shore ClassicHighland Park | IL | 2:21:03 | #1552 |
| 2012 | Detroit Free Press MarathonDetroit | MI | 2:21:49 | #4750 |
| 2012 | Flying Pig Pump and RunCincinnati | OH | 2:22:27 | #5516 |
| 2012 | Philadelphia MarathonPhiladelphia | PA | 2:26:21 | #8094 |
| 2012 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 3:12:13 | #9231 |
| 2011 | North Shore ClassicHighland Park | IL | 1:58:54 | #1191 |
| 2011 | Brooksie Way Half Marathon and 5KAuburn Hills | MI | 2:08:05 | #1381 |
| 2011 | Martian Invasion of the RacesDearborn | MI | 2:18:45 | #1328 |
| 2011 | Detroit Free Press MarathonDetroit | MI | 2:29:36 | #5281 |
| 2011 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 3:18:14 | #9284 |
| 2011 | Flying Pig Pump and RunCincinnati | OH | 4:00:45 | #10619 |
| 2010 | 2025 Aramco Houston Half Marathon Searchable Finish Line VideoHouston | TX | 2:43:49 | #7210 |
| 2010 | Community First Fox Cities Marathon presented by Miron ConstructionMenasha | WI | 3:09:14 | #2503 |
| 2009 | DEXTER-ANN ARBOR RUNDexter | MI | 2:08:39 | #1893 |
| 2008 | Brooksie Way Half Marathon and 5KAuburn Hills | MI | 2:04:29 | #1027 |
| 2007 | Detroit Free Press MarathonDetroit | MI | 2:08:15 | #2125 |
| 2007 | DEXTER-ANN ARBOR RUNDexter | MI | 2:09:56 | #1502 |
| 2005 | DEXTER-ANN ARBOR RUNDexter | MI | 2:23:25 | #1876 |
| 2003 | EPIC Marathon and Running FestivalGreen Bay | WI | 1:53:56 | #414 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MIMichigan
19 racesOHOhio
9 racesILIllinois
5 racesINIndiana
3 racesWIWisconsin
3 racesTXTexas
2 racesCOColorado
1 raceRIRhode Island
1 raceDCDistrict of Columbia
0 races50-State Challenge
9/ 51 states + DC
42 states to go