HalfRuns
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Andrea O'Brien

FemaleMassachusetts1991–2025

34

Total Finishes

23

Different Races

10

States (20%)

1:43:42

PR (7:55/mi)

2:25:11

Average

+0:24:52

Slower (first to last)

Medal House

2007

Rock 'n' Roll Virgina Beach Half Marathon

2:22:34
#9570 overall#4304 gender
2007

Philadelphia Marathon

2:31:52
#1864 overall#1860 gender
2006

Rock 'n' Roll Virgina Beach Half Marathon

2:28:28
#9453 overall#4469 gender
2006

2027 WALT DISNEY WORLD® Marathon Weekend presented by State Farm® With A Running Passion

2:31:59
#5731 overall#2840 gender
2005

Rock 'n' Roll Virgina Beach Half Marathon

2:12:35
#6977 overall#2849 gender
2004

Rock 'n' Roll Virgina Beach Half Marathon

2:20:43
#6336 overall#2767 gender
2003

Rock 'n' Roll Virgina Beach Half Marathon

2:27:25
#7113 overall#3328 gender
2002

Rock 'n' Roll Virgina Beach Half Marathon

2:17:25
#5082 overall#2242 gender
2001

Rock 'n' Roll Virgina Beach Half Marathon

2:23:42
#7172 overall#3315 gender
1996

The Unforgettable Staten Island Half Marathon

1:56:43
#1329 overall#292 gender
1994

Women's Half Marathon

2:02:49
#399 overall#399 gender
1991

Grandma's Marathon

1:43:42
#297 overall#69 gender

Performance Timeline

PR 1:43:4219911994199620012002200320042005200620062007200720112012201220122013201420142014201420142015201720172018201820192019202020212022202220242025

Complete Race Log

YearRaceStateTimePlace
2025Twin Lights Half MarathonGloucesterMA2:08:34#252
2024Good Life HalfsyLincolnNE2:56:45#4832
2022Rockfest Half MarathonHampton BeachNH2:17:33#1254
2022Twin Lights Half MarathonGloucesterMA2:21:18#215
2021Lake Effect Half MarathonMinoaNY2:36:03#319
2020Lake Effect Half MarathonMinoaNY2:26:14#385
2019Rockfest Half MarathonHampton BeachNH2:15:07#1909
2019The North Face® Endurance Challenge - New YorkBear MountainNY3:56:28#576
20182026 National Women's Half Marathon and 8KWashingtonDC2:08:23#1232
2018Rockfest Half MarathonHampton BeachNH2:09:22#1633
2017Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmondVA2:10:09#3796
2017Rock ‘n' Roll Washington DCWashingtonDC2:20:48#7643
201517th Seashore Classic 1/2 Marathon, 2-person Relay & 5k Run/WalkLewesDE2:48:56#197
2014Worcester Running Festival—2:01:17#276
2014Boston's Run To RememberBostonMA2:02:29#3270
2014Narragansett Summer Running FestivalEastonMA2:17:35#343
2014Narragansett Summer Running FestivalNorth EastonMA2:17:35#339
2014Lakeside Marathon & Nevada Half MarathonSouth Lake TahoeNV2:42:25#185
2013Divas Half Marathon & 5kWestburyNY2:18:12#686
2012Rock ‘n' Roll Washington DCWashingtonDC2:36:36#13102
20122027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort LauderdaleFL2:58:17#2627
2012Hands on House Half Marathon 5KLancasterPA3:02:07#439
2011Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartfordCT2:06:23#2798
2007Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:22:34#9570
2007Philadelphia MarathonPhiladelphiaPA2:31:52#1864
2006Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:28:28#9453
20062027 WALT DISNEY WORLD® Marathon Weekend presented by State Farm® With A Running PassionOrlandoFL2:31:59#5731
2005Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:12:35#6977
2004Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:20:43#6336
2003Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:27:25#7113
2002Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:17:25#5082
2001Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:23:42#7172
1996The Unforgettable Staten Island Half MarathonStaten IslandNY1:56:43#1329
1994Women's Half MarathonNew YorkNY2:02:49#399
1991Grandma's MarathonDuluthMN1:43:42#297

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

VAVirginia
8 races
NYNew York
6 races
MAMassachusetts
5 races
DCDistrict of Columbia
3 races
PAPennsylvania
2 races
CTConnecticut
1 race
NENebraska
1 race
CACalifornia
0 races
MDMaryland
0 races
WIWisconsin
0 races

50-State Challenge

10/ 50 states

40 states to go