HalfRuns
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Jessica O'Brien

FemaleNew York19942025

37

Total Finishes

28

Different Races

12

States (24%)

1:42:04

PR (7:47/mi)

2:06:36

Average

+0:48:32

Slower (first to last)

Medal House

2009

LONG ISLAND MARATHON FESTIVAL

1:43:39
#414 overall#78 gender
2008

Life Time Chicago Half Marathon + 5K

2:16:16
#6371 overall#3238 gender
2008

Grandma's Marathon

2:47:44
#5163 overall#2813 gender
2003

NYCRUNS Brooklyn Ice Cream Social Half Marathon

1:50:20
#1036 overall#172 gender
2003

Less Popular Brooklyn Half Marathon

1:50:53
#1352 overall#307 gender
2003

Earth Day Half Marathon -

2:05:46
#598 overall#242 gender
2002

NYCRUNS Brooklyn Ice Cream Social Half Marathon

1:58:29
#1410 overall#299 gender
2002

Grandma's Marathon

2:44:03
#3888 overall#2014 gender
2001

Less Popular Brooklyn Half Marathon

2:00:33
#1775 overall#466 gender
2000

LONG ISLAND MARATHON FESTIVAL

2:12:47
#1840 overall#471 gender
2000

NYRR Fred Lebow Half Marathon

2:34:53
#4683 overall#1901 gender
1994

LONG ISLAND MARATHON FESTIVAL

2:00:14
#2968 overall#482 gender

Performance Timeline

PR 1:42:041994200020002001200220022003200320032008200820092009201020112012201220122013201320132013201320132014201420152015201720172017201720172018202320232024202420242025

Complete Race Log

YearRaceStateTimePlace
2025Eau Claire MarathonEau ClaireWI2:48:46#1634
2024Bethlehem Running FestivalBethlehemPA1:42:04#90
2024Ocean State Rhode RacesNarragansettRI2:08:52#328
2024Ocean State Rhode RacesNarragansettRI2:08:52#327
2023Maine Coast MarathonWellsME2:06:42#595
2023DONNA Marathon WeekendJacksonville BeachFL2:09:42#674
2018Rockfest Half MarathonHampton BeachNH2:12:37#1834
2017Sprouts Mesa - Phoenix MarathonMesaAZ1:51:45#806
2017South Shore Half MarathonMilwaukeeWI1:57:03#335
2017Newport Marathon1:58:47#530
2017Strider Half MarathonMilwaukeeWI2:16:01#639
2017Eau Claire MarathonEau ClaireWI2:47:50#1484
2015Get In GearMinneapolisMN1:43:29#162
2015Chicago Spring Half MarathonChicagoIL1:59:09#1085
2014Less Popular Brooklyn Half MarathonBrooklynNY1:45:16#4728
2014Rock 'n' Roll Chicago Half MarathonChicagoIL2:11:59#5980
2013Charleston Half MarathonCharlestonSC1:42:33#196
2013Capital City River RunLansingMI1:44:31#231
2013Save the Light Half MarathonFolly BeachSC1:53:10#102
2013Boston's Run To RememberBostonMA1:55:26#2293
2013Madison MarathonMadisonWI1:58:03#873
2013Madison Marathon1:58:03#873
2012Kiawah Island MarathonKiawah IslandSC1:42:59#246
2012The Dirt DashJohns IslandSC1:59:38#45
2012Life Time Chicago Half Marathon + 5KChicagoIL2:36:49#10205
20112026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapaCA2:08:27#942
2010Life Time Chicago Half Marathon + 5KChicagoIL2:26:33#10325
2009LONG ISLAND MARATHON FESTIVALEast MeadowNY1:43:39#414
2009Rock 'n' Roll NashvilleNashvilleTN2:36:11#12929
2008Life Time Chicago Half Marathon + 5KChicagoIL2:16:16#6371
2008Grandma's MarathonDuluthMN2:47:44#5163
2003NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY1:50:20#1036
2003Less Popular Brooklyn Half MarathonBrooklynNY1:50:53#1352
2003Earth Day Half Marathon -2:05:46#598
2002NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY1:58:29#1410
2002Grandma's MarathonDuluthMN2:44:03#3888
2001Less Popular Brooklyn Half MarathonBrooklynNY2:00:33#1775
2000LONG ISLAND MARATHON FESTIVALEast MeadowNY2:12:47#1840
2000NYRR Fred Lebow Half MarathonNew YorkNY2:34:53#4683
1994LONG ISLAND MARATHON FESTIVALEast MeadowNY2:00:14#2968

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

NYNew York
9 races
ILIllinois
5 races
WIWisconsin
5 races
SCSouth Carolina
4 races
MNMinnesota
3 races
RIRhode Island
2 races
AZArizona
1 race
FLFlorida
1 race
MAMassachusetts
1 race
PAPennsylvania
1 race
INIndiana
0 races
VTVermont
0 races

50-State Challenge

12/ 50 states

38 states to go