HalfRuns
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Andrew O'Brien

MaleMaryland2002–2026

42

Total Finishes

31

Different Races

15

States (29%)

1:25:37

PR (6:32/mi)

2:10:37

Average

-0:09:28

Faster (first to last)

Medal House

2012

Parks Half Marathon

1:51:50
#664 overall#497 gender
2012

Rock 'n' Roll Washington DC

1:57:09
#3795 overall#2131 gender
2012

Drake Relays

2:13:30
#1131 overall#603 gender
2012

Annapolis Running Classic

2:36:19
#2416 overall#1093 gender
2011

Detroit Free Press Marathon

1:55:06
#1210 overall#832 gender
2009

Thanksgiving Distance Classic

2:11:18
#1518 overall#931 gender
2008

2027 Walt Disney World® Marathon Weekend

2:42:37
#6991 overall#3482 gender
2007

TMC Arizona Distance Classic Half Marathon, Quarter Marathon and 5K

1:50:38
#164 overall#121 gender
2006

ALBUQUERQUE MARATHON + HALF MARATHON, 10K, 5K AND KIDS K

1:57:56
#133 overall#86 gender
2004

Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO

2:24:18
#822 overall#439 gender
2004

Run SF "Golden Gate City" 5K/10K/13.1

2:27:55
#1063 overall#646 gender
2002

Hyannis Marathon

1:53:59
#564 overall#389 gender

Performance Timeline

PR 1:25:37200220042004200620072008200920112012201220122012201220132013201320132013201320132014201420142014201520152016201620162016201720172017201920232023202320242025202520262026

Complete Race Log

YearRaceStateTimePlace
2026Greater St. Louis MarathonSt. LouisMO1:41:07#311
2026The Notre Dame Holy HalfNotre DameIN1:44:31#191
2025Greater St. Louis MarathonSt. LouisMO1:43:23#364
2025Moonlight on the Falls - Marathon, Half Marathon, Quarter Marathon, and Distance ChallengeDavisWV2:08:08#39
2024Summer's Done 13.1AustinTX2:05:05#3389
2023Berkeley Half MarathonBerkeleyCA1:38:21#251
2023Life Time Chicago Half Marathon + 5KChicagoIL2:03:57#2604
2023Life Time Miami Marathon & HalfMiamiFL2:12:16#4687
2019Berkeley Half MarathonBerkeleyCA1:25:37#104
2017Berkeley Half MarathonBerkeleyCA1:35:19#245
2017Rock 'n' Roll Las VegasLas VegasNV2:07:32#3691
2017Sunburst RacesSouth BendIN2:08:46#430
2016The Louisiana MarathonBaton RougeLA1:34:39#77
2016Parks Half MarathonRockvilleMD2:12:05#1043
2016Run MalibuMalibuCA2:13:22#520
2016Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbusOH2:31:16#6829
2015Baltimore Running FestivalBaltimoreMD2:51:16#6519
2015Annapolis Running ClassicAnnapolisMD3:09:56#2256
2014Boston's Run To RememberBostonMA1:54:00#1980
2014Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmondVA2:37:20#6947
2014Annapolis Running ClassicAnnapolisMD2:48:08#2239
2014B&A Trail Marathon and Half MarathonSeverna ParkMD2:53:38#566
2013Get Lucky Half MarathonMinneapolisMN1:27:47#44
2013Hancock Canal RunHoughtonMI1:30:27#5
2013Parks Half MarathonRockvilleMD1:47:34#460
2013Baltimore Running FestivalBaltimoreMD2:25:30#6344
2013B&A Trail Marathon and Half MarathonSeverna ParkMD2:32:46#314
2013Annapolis Running ClassicAnnapolisMD2:42:32#2095
2013The Kauai Marathon and Half MarathonPoipu Beach, KauaiHI2:52:51#802
2012Parks Half MarathonRockvilleMD1:51:50#664
2012Rock 'n' Roll Washington DCWashingtonDC1:57:09#3795
2012Drake RelaysDes MoinesIA2:13:30#1131
2012Annapolis Running ClassicAnnapolisMD2:36:19#2416
2012Baltimore Running FestivalBaltimoreMD2:44:22#8662
2011Detroit Free Press MarathonDetroitMI1:55:06#1210
2009Thanksgiving Distance ClassicJacksonvilleFL2:11:18#1518
20082027 Walt Disney World® Marathon WeekendOrlandoFL2:42:37#6991
2007TMC Arizona Distance Classic Half Marathon, Quarter Marathon and 5KOro ValleyAZ1:50:38#164
2006ALBUQUERQUE MARATHON + HALF MARATHON, 10K, 5K AND KIDS KAlbuquerqueNM1:57:56#133
2004Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA2:24:18#822
2004Run SF "Golden Gate City" 5K/10K/13.1San FranciscoCA2:27:55#1063
2002Hyannis MarathonHyannisMA1:53:59#564

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

MDMaryland
12 races
CACalifornia
6 races
FLFlorida
3 races
INIndiana
2 races
MAMassachusetts
2 races
MIMichigan
2 races
MOMissouri
2 races
AZArizona
1 race
IAIowa
1 race
ILIllinois
1 race
LALouisiana
1 race
OHOhio
1 race
TXTexas
1 race
NENebraska
0 races
NJNew Jersey
0 races

50-State Challenge

15/ 51 states + DC

36 states to go