HalfRuns
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Margaret O'Brien

FemaleGeorgia1998–2025

59

Total Finishes

37

Distinct Races

16

States (31%)

1:39:53

PR (7:37/mi)

2:20:05

Average

-0:27:13

Faster (first to last)

Medal House

2008

Publix Atlanta Marathon, Half Marathon & 5K

2:05:12
#3331 overall#1266 gender
2007

Women's Half Marathon

2:01:42
#940 overall#937 gender
2006

Rock ‘n’ Roll Philadelphia Half Marathon

2:01:57
#5143 overall#1751 gender
2006

Women's Half Marathon

2:02:17
#632 overall#631 gender
2006

Fairfield Road Races

2:09:41
#1186 overall#425 gender
2005

Women's Half Marathon

2:00:23
#388 overall#388 gender
2005

Fairfield Road Races

2:08:20
#1119 overall#376 gender
2002

Jersey Shore Half Marathon and 2 Mile Run

2:23:00
#481 overall#185 gender
2001

Fairfield Road Races

2:00:26
#1055 overall#284 gender
2000

LONG ISLAND MARATHON FESTIVAL

2:21:42
#2432 overall#705 gender
1999

LONG ISLAND MARATHON FESTIVAL

2:27:13
#3685 overall#1187 gender
1998

LONG ISLAND MARATHON FESTIVAL

2:37:10
#4043 overall#1271 gender

Performance Timeline

PR 1:39:5319981999200020012002200520052006200620062007200820082008200920102011201120122012201220122012201220122013201320132014201420142015201520152015201520162016201620162016201620162016201720172017201720182018201820182018201820192020202120222023202320242024202520252025

Complete Race Log

YearRaceStateTimePlace
2025Chicago Spring Half MarathonChicagoIL2:06:06#2457
2025Greater St. Louis MarathonSt. LouisMO2:07:24#1515
2025Hilton Head Half & Quarter Marathon & 5KHilton Head IslandSC2:09:57#189
2024The LESS Popular Brooklyn Half Marathon!BrooklynNY2:20:38#20582
2024Cambridge Half Marathon + 5KCambridgeMA2:26:10#6599
2023Chicago Spring Half MarathonChicagoIL2:03:11#1855
2023The LESS Popular Brooklyn Half Marathon!BrooklynNY2:12:41#16307
2022Irving MarathonIrvingTX2:20:20#429
2021University of Michigan Health-West Grand Rapids MarathonGrand RapidsMI2:05:06#426
2020Publix Atlanta Marathon, Half Marathon & 5KAtlantaGA2:32:37#4553
2019Fairfield Road RacesFairfieldCT2:08:21#1027
2018Independence Rhode RaceBristolRI1:54:00#167
2018Independence Rhode RaceBristolRI1:54:00#167
2018Publix Atlanta Marathon, Half Marathon & 5KAtlantaGA2:20:20#2687
2018Big Beach Marathon, Half Marathon & Safari 5KGulf ShoresAL2:53:40#345
2018Mackinac Island Great Turtle Half Marathon & 5.7 MileMackinac IslandMI3:09:49#693
2018Guthrie Wineglass Marathon, Wegmans Wineglass Half Marathon & Williams Toyota Wineglass 5KCorningNY3:23:31#2597
2017Groundhog Day MarathonWalkerMI2:13:30#115
2017Groundhog MarathonGrand RapidsMI2:13:30#115
2017Thanksgiving Day Half MarathonAtlantaGA2:21:30#3912
2017Publix Atlanta Marathon, Half Marathon & 5KAtlantaGA2:25:15#3344
2016B.A.A. Half MarathonBostonMA1:51:07#1508
2016Rock 'n' Roll Washington DCWashingtonDC2:05:36#5401
2016Sault International Festival of RacesSault Ste. MarieMI2:07:25#32
2016Grand Island Trail RunMunisingMI2:12:49#118
2016Thanksgiving Day Half MarathonAtlantaGA2:14:46#3322
2016Hook Mountain Half Marathon & Rockland Lake 10KValley CottageNY2:35:31#299
2016Publix Atlanta Marathon, Half Marathon & 5KAtlantaGA2:40:29#4684
20162025 Disney Princess Half Marathon Weekend presented by CORKCICLE®OrlandoFL3:19:30#11774
2015Philadelphia MarathonPhiladelphiaPA2:12:34#6095
2015Love Run Half MarathonPhiladelphiaPA2:12:38#3555
2015Publix Atlanta Marathon, Half Marathon & 5KAtlantaGA2:20:14#3229
2015E Murray Todd Half MarathonColts NeckNJ2:34:03#573
2015The Notre Dame Holy HalfNotre DameIN2:36:59#991
2014Thanksgiving Day Half MarathonAtlantaGA2:07:43#3071
2014Franklin Lakes Scenic Half MarathonFranklin LakesNJ2:20:53#187
2014The Giant RaceSan FranciscoCA2:29:59#2790
2013Franklin Lakes Scenic Half MarathonFranklin LakesNJ2:02:53#156
2013Thanksgiving Day Half MarathonAtlantaGA2:11:14#3549
2013Run SAN DIEGO 5K/10K/13.1San DiegoCA2:15:06#3277
2012Catharine Vally Half MarathonWatkins GlenNY1:39:53#66
2012Fairfield Road RacesFairfieldCT2:01:29#1526
2012Publix Atlanta Marathon, Half Marathon & 5KAtlantaGA2:11:33#4073
2012Thanksgiving Day Half MarathonAtlantaGA2:15:52#4789
2012Skunk Cabbage Classic 10K & Half MarathonIthacaNY2:40:39#600
2012Philadelphia MarathonPhiladelphiaPA2:41:58#9394
2012Life Time Chicago Half Marathon + 5KChicagoIL2:53:22#11373
2011Thanksgiving Day Half MarathonAtlantaGA2:07:06#4321
2011Jersey Shore Half Marathon and 2 Mile RunHighlandsNJ2:21:26#604
2010Thanksgiving Day Half MarathonAtlantaGA2:06:03#4095
2009The Unforgettable Staten Island Half Marathon!Staten IslandNY2:29:46#3689
2008Publix Atlanta Marathon, Half Marathon & 5KAtlantaGA2:05:12#3331
2008Philadelphia MarathonPhiladelphiaPA2:14:47#3049
2008Halloween Trick or Trot Run 5K/10K/13.1 ATLANTAAtlantaGA3:01:45#706
2007Women's Half MarathonNew YorkNY2:01:42#940
2006Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:01:57#5143
2006Women's Half MarathonNew YorkNY2:02:17#632
2006Fairfield Road RacesFairfieldCT2:09:41#1186
2005Women's Half MarathonNew YorkNY2:00:23#388
2005Fairfield Road RacesFairfieldCT2:08:20#1119
2002Jersey Shore Half Marathon and 2 Mile RunHighlandsNJ2:23:00#481
2001Fairfield Road RacesFairfieldCT2:00:26#1055
2000LONG ISLAND MARATHON FESTIVALEast MeadowNY2:21:42#2432
1999LONG ISLAND MARATHON FESTIVALEast MeadowNY2:27:13#3685
1998LONG ISLAND MARATHON FESTIVALEast MeadowNY2:37:10#4043

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

GAGeorgia
15 races
NYNew York
13 races
MIMichigan
6 races
CTConnecticut
5 races
NJNew Jersey
5 races
PAPennsylvania
5 races
ILIllinois
3 races
CACalifornia
2 races
MAMassachusetts
2 races
RIRhode Island
2 races
SCSouth Carolina
1 race
TXTexas
1 race
MDMaryland
0 races
MNMinnesota
0 races
ONON
0 races
VAVirginia
0 races

50-State Challenge

16/ 51 states + DC

35 states to go