HalfRuns
Back to League Tables

Megan O'Brien

FemaleIllinois2001–2026

73

Total Finishes

52

Distinct Races

23

States (45%)

1:25:10

PR (6:30/mi)

2:17:11

Average

-0:13:26

Faster (first to last)

Medal House

2007

United Airlines NYC Half

2:07:22
#6154 overall#2293 gender
2007

2025 500 Festival Running Events

2:09:13
#10391 overall#3341 gender
2006

Sunrise Marathon 5K/10K/13.1 KANSAS CITY

1:56:06
#656 overall#198 gender
2006

2025 500 Festival Running Events

2:03:34
#9295 overall#2698 gender
2006

United Airlines NYC Half

2:12:08
#7301 overall#2948 gender
2006

Rock 'n' Roll Virgina Beach Half Marathon

2:20:36
#7859 overall#3482 gender
2006

Rock ‘n’ Roll Philadelphia Half Marathon

2:20:58
#8469 overall#3623 gender
2005

Life Time Chicago Half Marathon + 5K

2:09:26
#3518 overall#1499 gender
2004

Rock n Roll Nashville

2:17:46
#4471 overall#2058 gender
2003

Rock ‘n’ Roll Philadelphia Half Marathon

2:32:46
#6642 overall#2655 gender
2002

Rock ‘n’ Roll Philadelphia Half Marathon

2:21:05
#5907 overall#2213 gender
2001

Rock ‘n’ Roll Philadelphia Half Marathon

2:11:01
#4965 overall#1728 gender

Performance Timeline

PR 1:25:10200120022003200420052006200620062006200620072007200720082008200920092009201120112012201220122012201220132013201320132014201420142014201520152015201520152015201620162016201620162016201620172017201720172017201720182018201820192019201920192019201920192020202020202021202220222022202320232023202320232023202420242024202420242024202420242025202520252026

Complete Race Log

YearRaceStateTimePlace
2026Seattle Cherry Blossom RunSeattleWA1:57:35#453
2025Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbusOH1:59:40#2268
202518th Annual F^3 Lake Half Marathon & 5kChicagoIL2:09:55#1034
2025EMC DAM to DSMPolk CityIA2:10:59#2111
2024AthHalf Half Marathon and AthFest Educates 5KAthensGA1:57:33#650
2024Luau 5K, 10K, & 13.1M at Athens, GA (19)AthensGA1:57:34#653
2024Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbusOH2:05:08#3163
2024The Unforgettable Staten Island Half Marathon!Staten IslandNY2:13:21#5923
2024The LESS Popular Brooklyn Half Marathon!BrooklynNY2:45:10#25569
2024Thanksgiving Day Half MarathonAtlantaGA2:50:08#4459
2024REAL SIMPLE Women's Half MarathonCentral ParkNY2:51:20#7058
2024Hyannis MarathonHyannisMA2:56:39#594
2023Luau 5K, 10K, & 13.1M at Athens, GA (19)AthensGA1:59:06#847
2023Seattle MarathonSeattleWA2:01:24#1235
2023Mankato Marathon WeekendMankatoMN2:07:58#356
2023United Airlines NYC HalfNew YorkNY2:18:45#17007
2023Eau Claire MarathonEau ClaireWI2:21:57#1023
2023Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbusOH2:24:09#4409
2022Brookings MarathonBrookingsSD2:03:00#97
2022Eau Claire MarathonEau ClaireWI2:06:11#512
2022Extraterrestrial Full MoonRachelNV3:11:03#73
2021Whitefish Trail BlazerWhitefishMT3:35:38#104
2020Hyannis MarathonHyannisMA1:25:10#43
2020Rock 'n' Roll Arizona MarathonPhoenixAZ2:08:15#2446
20202027 Walt Disney World® Marathon WeekendOrlandoFL2:26:27#4712
2019Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenverCO1:29:59#81
2019Silo District MarathonWacoTX1:55:22#204
2019Anchorage RunFestAnchorageAK1:57:28#156
2019Eau Claire MarathonEau ClaireWI2:04:44#613
2019Grandma's MarathonDuluthMN2:06:09#3174
2019Capital City Half MarathonColumbusOH2:09:04#2673
2019Maine Coast Marathon & Half MarathonBiddefordME2:16:56#1453
2018Back Roads Half MarathonClarkstonMI1:48:50#44
2018Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort CollinsCO2:08:50#878
2018Life Time Miami Marathon & HalfMiamiFL2:09:34#4230
2017Cambridge Half Marathon + 5KCambridgeMA1:33:49#411
2017Westchester Medical Center Running FestivalWhite PlainsNY2:10:54#244
2017Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort CollinsCO2:14:00#925
2017Yellowstone Half Marathon WeekendWest YellowstoneMT2:36:13#763
2017Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA3:01:25#4186
2017Surf City MarathonHuntington BeachCA3:22:50#9408
2016Philadelphia MarathonPhiladelphiaPA1:41:59#798
2016Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:01:21#2992
20162025 500 Festival Running EventsIndianapolisIN2:02:35#5402
2016Fargo Marathon WeekendFargoND2:14:00#2243
2016Chicago Spring Half MarathonChicagoIL2:17:11#2548
2016Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort CollinsCO2:18:46#939
2016Life Time Miami Marathon & HalfMiamiFL2:24:49#8482
2015Skunk Cabbage Classic 10K & Half MarathonIthacaNY1:55:44#271
2015Philadelphia MarathonPhiladelphiaPA1:58:20#3292
20152025 500 Festival Running EventsIndianapolisIN2:02:07#5391
2015Rock 'n' Roll Washington DCWashingtonDC2:23:04#9415
2015Second Wind Christie Clinic Illinois Race Weekend Training ProgramChampaignIL2:25:37#3490
2015Rock 'n' Roll San DiegoSan DiegoCA2:53:40#11356
2014Philadelphia MarathonPhiladelphiaPA1:38:38#838
2014Love Run Half MarathonPhiladelphiaPA1:49:41#1080
2014Rock 'n' Roll Chicago Half MarathonChicagoIL2:12:16#6030
2014Surf City MarathonHuntington BeachCA2:28:35#9194
2013Philadelphia MarathonPhiladelphiaPA1:44:34#1203
2013Nitro TrailPinoleCA2:26:08#110
2013Life Time Miami Marathon & HalfMiamiFL2:27:56#8661
2013Madison MarathonMadisonWI2:34:33#2033
2012Lincoln Memorial Half MarathonSpringfieldIL2:10:53#814
2012Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:12:10#2891
20122025 500 Festival Running EventsIndianapolisIN2:21:21#13048
2012Midwest Financial Group Madison Mini MarathonMadisonWI2:30:08#2772
2012Detroit Free Press MarathonDetroitMI5:07:09#2932
2011Community First Fox Cities Marathon presented by Miron ConstructionMenashaWI1:39:34#162
2011Rock 'n' Roll San DiegoSan DiegoCA1:57:45#2760
20092025 500 Festival Running EventsIndianapolisIN2:05:02#10161
2009Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:10:37#5799
2009Rock 'n' Roll Arizona MarathonPhoenixAZ2:20:36#9684
2008United Airlines NYC HalfNew YorkNY2:08:59#6187
2008First Energy Akron MarathonAkronOH2:30:16#1309
2007United Airlines NYC HalfNew YorkNY2:07:22#6154
20072025 500 Festival Running EventsIndianapolisIN2:09:13#10391
2007Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:24:17#9893
2006Sunrise Marathon 5K/10K/13.1 KANSAS CITYKansas CityMO1:56:06#656
20062025 500 Festival Running EventsIndianapolisIN2:03:34#9295
2006United Airlines NYC HalfNew YorkNY2:12:08#7301
2006Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:20:36#7859
2006Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:20:58#8469
2005Life Time Chicago Half Marathon + 5KChicagoIL2:09:26#3518
2004Rock n Roll NashvilleNashvilleTN2:17:46#4471
2003Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:32:46#6642
2002Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:21:05#5907
2001Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:11:01#4965

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

PAPennsylvania
10 races
NYNew York
9 races
CACalifornia
6 races
ILIllinois
6 races
INIndiana
6 races
WIWisconsin
6 races
OHOhio
5 races
COColorado
4 races
FLFlorida
4 races
GAGeorgia
4 races
MAMassachusetts
3 races
AZArizona
2 races
MIMichigan
2 races
MNMinnesota
2 races
WAWashington
2 races
IAIowa
1 race
MEMaine
1 race
MOMissouri
1 race
NDNorth Dakota
1 race
SDSouth Dakota
1 race
IDIdaho
0 races
NJNew Jersey
0 races
NMNew Mexico
0 races

50-State Challenge

23/ 51 states + DC

28 states to go