HalfRuns
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Jennifer Duffy

FemaleCalifornia1999–2025

55

Total Finishes

39

Distinct Races

16

States (31%)

1:40:40

PR (7:41/mi)

2:32:45

Average

+1:31:20

Slower (first to last)

Medal House

2009

Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids Run

1:54:55
#1758 overall#605 gender
2009

Capital City Half Marathon

1:55:52
#1260 overall#420 gender
2009

2026 2XU Long Beach Marathon & Half Marathon

2:39:59
#7143 overall#3709 gender
2008

Oklahoma City Memorial Marathon

1:50:38
#493 overall#124 gender
2008

Capital City Half Marathon

1:59:59
#1291 overall#412 gender
2008

Oshkosh Half Marathon & Loop with myTEAM TRIUMPH

2:08:02
#683 overall#214 gender
2007

United Airlines NYC Half

2:17:18
#7790 overall#3316 gender
2007

Boston's Run To Remember

2:37:51
#3143 overall#1698 gender
2007

Rock 'n' Roll Arizona Marathon

2:40:59
#13592 overall#7491 gender
2007

Rock 'n' Roll Virgina Beach Half Marathon

4:12:14
#16963 overall#9533 gender
1999

Georgetown to Idaho Springs Half Marathon

1:40:40
#410 overall#87 gender
1999

LONG ISLAND MARATHON FESTIVAL

1:48:49
#1102 overall#172 gender

Performance Timeline

PR 1:40:401999199920072007200720072008200820082009200920092010201020102010201020112011201120112011201120112011201120122012201220122012201220122013201320132013201320132014201420142015201520152015201520152015201520152016201720172017201820182018201820192019202120232025

Complete Race Log

YearRaceStateTimePlace
2025Cape Cod Marathon WeekendFalmouthMA3:12:00#1922
20232026 Disney Wine & Dine Half Marathon WeekendOrlandoFL3:31:49#10490
2021Chandler #AZ48 Half MarathonChandlerAZ2:07:37#202
2019Second Wind Christie Clinic Illinois Race Weekend Training ProgramChampaignIL2:22:15#2182
2019Grand Teton Half MarathonJacksonWY4:09:10#2195
2018St. Jude Rock 'n' Roll SeattleSeattleWA1:57:26#1588
2018Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacomaWA2:02:54#155
2018Love Run Half MarathonPhiladelphiaPA2:06:58#3096
2018Gasparilla Distance Classic Race WeekendTampaFL2:47:08#4057
2017B.A.A. Half MarathonBostonMA2:17:38#3864
2017Surf City MarathonHuntington BeachCA2:20:12#4730
2017United Airlines NYC HalfNew YorkNY2:53:47#18411
2016Surf City MarathonHuntington BeachCA2:42:31#7797
2015Monterey Bay Half MarathonMontereyCA2:16:59#3292
2015Rock 'n' Roll San DiegoSan DiegoCA2:32:23#9115
2015St. Jude Rock 'n' Roll SeattleSeattleWA2:33:11#7152
2015OC Marathon - Half Marathon - 5KNewport BeachCA2:40:53#6156
2015The Notre Dame Holy HalfNotre DameIN2:42:25#1017
2015Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA2:48:03#5472
2015Surf City MarathonHuntington BeachCA2:53:47#10893
2015Rock 'n' Roll Chicago Half MarathonChicagoIL3:02:23#10296
20152025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL3:35:34#15563
2014Fargo Marathon WeekendFargoND2:46:12#4550
20142026 2XU Long Beach Marathon & Half MarathonLong BeachCA2:49:55#7880
2014Rock 'n' Roll Las VegasLas VegasNV2:54:47#18807
2013Capital City Half MarathonColumbusOH1:59:03#2559
2013Sioux Falls MarathonSioux FallsSD2:11:03#662
2013Rock 'n' Roll Los Angeles Half MarathonLos AngelesCA2:27:49#4389
2013Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA2:30:57#3612
20132026 2XU Long Beach Marathon & Half MarathonLong BeachCA2:33:26#7121
20132025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL3:11:42#14428
2012Plattsburgh HalfPlattsburghNY2:09:51#476
2012Surf City MarathonHuntington BeachCA2:12:46#5887
2012Rock 'n' Roll San DiegoSan DiegoCA2:17:10#7724
2012OC Marathon - Half Marathon - 5KNewport BeachCA2:23:35#4923
2012Marion Arts Festival Half MarathonMarionIA2:23:51#609
20122026 2XU Long Beach Marathon & Half MarathonLong BeachCA2:27:52#5483
2012Rock 'n' Roll Los Angeles Half MarathonLos AngelesCA2:34:51#5126
2011Rock 'n' Roll New OrleansNew OrleansLA1:46:19#888
2011Cowtown Marathon, Half Marathon and Ultra MarathonFort WorthTX1:51:25#693
2011The Unforgettable Staten Island Half Marathon!Staten IslandNY2:10:59#3658
2011Rock 'n' Roll San DiegoSan DiegoCA2:20:53#7878
2011IMT Des Moines MarathonDes MoinesIA2:22:08#2664
2011Surf City MarathonHuntington BeachCA2:30:57#8861
2011Rock 'n' Roll Los Angeles Half MarathonLos AngelesCA2:38:15#5398
20112026 2XU Long Beach Marathon & Half MarathonLong BeachCA2:45:10#7457
2011Capital City MarathonOlympiaWA3:04:11#1097
20103M Half MarathonAustinTX1:50:09#1058
2010Plattsburgh HalfPlattsburghNY2:12:25#317
2010Rock 'n' Roll Los Angeles Half MarathonLos AngelesCA2:31:55#5919
2010Rock 'n' Roll Chicago Half MarathonChicagoIL2:43:25#14627
2010Run Crazy HorseHill CitySD4:03:22#424
2009Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbusOH1:54:55#1758
2009Capital City Half MarathonColumbusOH1:55:52#1260
20092026 2XU Long Beach Marathon & Half MarathonLong BeachCA2:39:59#7143
2008Oklahoma City Memorial MarathonOklahoma CityOK1:50:38#493
2008Capital City Half MarathonColumbusOH1:59:59#1291
2008Oshkosh Half Marathon & Loop with myTEAM TRIUMPHOshkoshWI2:08:02#683
2007United Airlines NYC HalfNew YorkNY2:17:18#7790
2007Boston's Run To RememberBostonMA2:37:51#3143
2007Rock 'n' Roll Arizona MarathonPhoenixAZ2:40:59#13592
2007Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA4:12:14#16963
1999Georgetown to Idaho Springs Half MarathonUnknownCO1:40:40#410
1999LONG ISLAND MARATHON FESTIVALEast MeadowNY1:48:49#1102

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

CACalifornia
22 races
NYNew York
6 races
FLFlorida
4 races
OHOhio
4 races
WAWashington
4 races
ILIllinois
3 races
MAMassachusetts
3 races
AZArizona
2 races
IAIowa
2 races
SDSouth Dakota
2 races
TXTexas
2 races
COColorado
1 race
LALouisiana
1 race
OKOklahoma
1 race
PAPennsylvania
1 race
VAVirginia
1 race

50-State Challenge

16/ 51 states + DC

35 states to go