HalfRuns
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Jennifer Ko

FemaleNew Jersey2008–2024

31

Total Finishes

14

Different Races

8

States (16%)

1:55:59

PR (8:51/mi)

2:44:52

Average

-0:00:21

Faster (first to last)

Medal House

2014

Tinker Bell Half Marathon

2:10:02
#1345 overall#1034 gender
2014

2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®

2:15:41
#2014 overall#1745 gender
2014

2026 HiTOPS Princeton Half Marathon

2:21:11
#875 overall#390 gender
2013

Disneyland Half Marathon Weekend

1:50:55
#617 overall#149 gender
2013

2026 HiTOPS Princeton Half Marathon

2:11:44
#527 overall#223 gender
2013

Rock ‘n’ Roll Philadelphia Half Marathon

2:15:41
#11221 overall#5867 gender
2013

Divas Half Marathon & 5k

2:23:39
#864 overall#856 gender
2012

Silver Comet Half & Full Marathon

2:04:05
#491 overall#200 gender
2012

Rock ‘n’ Roll Philadelphia Half Marathon

2:41:34
#13204 overall#7408 gender
2012

Disneyland Half Marathon Weekend

2:48:52
#8722 overall#4786 gender
2010

United Airlines NYC Half

1:55:59
#5053 overall#1739 gender
2008

Life Time Chicago Half Marathon + 5K

2:38:46
#9197 overall#5309 gender

Performance Timeline

PR 1:50:55200820102012201220122013201320132013201420142014201520152015201520162017201720172017201720182018201820182020202120222022202320232024

Complete Race Log

YearRaceStateTimePlace
2024Philadelphia MarathonPhiladelphiaPA2:38:25#9577
2023United Airlines NYC HalfNew YorkNY2:36:24#20976
20232025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL3:09:16#7650
2022Rock ‘n' Roll Washington DCWashingtonDC2:49:06#6482
20222025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL3:11:26#7261
2021United Airlines NYC HalfNew YorkNY3:07:38#11511
20202025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL3:58:37#19532
2018Run MalibuMalibuCA2:11:17#987
2018United Airlines NYC HalfNew YorkNY2:39:41#19351
2018Rock 'n' Roll San JoseSan JoseCA2:52:26#4458
20182025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL2:56:09#7126
2017Zion Half MarathonSpringdaleUT2:34:53#841
2017United Airlines NYC HalfNew YorkNY2:40:06#17328
2017Liberty Waterfront Half Marathon and 5K RunJersey CityNJ2:42:17#2196
2017Tinker Bell Half MarathonAnaheimCA2:52:38#4133
20172025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL3:08:55#10108
20162025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL2:56:17#7529
2015United Airlines NYC HalfNew YorkNY2:18:09#14358
2015Divas Half Marathon & 5kWestburyNY2:31:47#639
20152025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL2:43:13#5934
2015Disneyland Half Marathon WeekendAnaheimCA3:37:56#13371
2014Tinker Bell Half MarathonAnaheimCA2:10:02#1345
20142025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL2:15:41#2014
20142026 HiTOPS Princeton Half MarathonPrincetonNJ2:21:11#875
2013Disneyland Half Marathon WeekendAnaheimCA1:50:55#617
20132026 HiTOPS Princeton Half MarathonPrincetonNJ2:11:44#527
2013Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:15:41#11221
2013Divas Half Marathon & 5kWestburyNY2:23:39#864
2012Silver Comet Half & Full MarathonMabletonGA2:04:05#491
2012Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:41:34#13204
2012Disneyland Half Marathon WeekendAnaheimCA2:48:52#8722
2010United Airlines NYC HalfNew YorkNY1:55:59#5053
2008Life Time Chicago Half Marathon + 5KChicagoIL2:38:46#9197

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

NYNew York
8 races
CACalifornia
7 races
NJNew Jersey
3 races
PAPennsylvania
3 races
DCDistrict of Columbia
1 race
GAGeorgia
1 race
ILIllinois
1 race
DEDelaware
0 races

50-State Challenge

8/ 50 states

42 states to go