HalfRuns
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Colin O'Brien

MaleWisconsin2003–2025

38

Total Finishes

35

Different Races

19

States (37%)

1:27:22

PR (6:40/mi)

2:02:41

Average

+0:18:22

Slower (first to last)

Medal House

2013

Foot Traffic Flat Marathon

1:46:38
#223 overall#150 gender
2012

Ion Bank Cheshire Road Races

1:52:42
#398 overall#277 gender
2012

2026 Disneyland® Half Marathon Weekend presented by HONDA

2:10:38
#3047 overall#1824 gender
2012

Dances with Dirt Devil's Lake

2:26:24
#180 overall#125 gender
2011

Rock 'n' Roll Washington DC

1:36:02
#600 overall#493 gender
2011

UConn Health Half Marathon

1:46:23
#223 overall#164 gender
2011

Chevron City to Surf for Activ

2:10:53
#2133 overall#1485 gender
2011

Dances with Dirt Devil's Lake

2:35:45
#174 overall#121 gender
2010

The Notre Dame Holy Half

1:43:22
#217 overall#161 gender
2009

DONNA Marathon Weekend

1:49:18
#199 overall#134 gender
2006

UConn Health Half Marathon

1:51:12
#231 overall#169 gender
2003

Rock 'n' Roll New Orleans

1:44:39
#260 overall#203 gender

Performance Timeline

PR 1:27:222003200620092010201120112011201120122012201220132014201520152015201520162016201620162017201820182019201920192021202120212022202220222022202420242024202520252025

Complete Race Log

YearRaceStateTimePlace
2025Shipyard Old Port Half MarathonPortlandME1:27:22#37
2025City of Oaks MarathonRaleighNC2:00:05#1079
2025Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort CollinsCO2:03:01#658
2024Chicago Spring Half MarathonChicagoIL2:00:19#1552
2024Gopher To BadgerHudsonWI2:07:26#472
2024Maine Coast MarathonWellsME2:16:54#1146
2022Bayshore Marathon, Half Marathon, 10K, & Kids Fun RunTraverse CityMI2:09:16#1304
2022The Betsy Farris Memorial RunColumbiaMO2:13:29#164
2022Betsy Farris Memorial RunColumbiaMO2:13:30#164
2022Greater St. Louis MarathonSt. LouisMO2:19:32#1556
2021Newport MarathonNewportRI2:05:09#603
2021OCNJ Half Marathon, 10 Mile & 5KOcean CityNJ2:05:24#231
2021DO or DIE Half Marathon & 5KBoonvilleMO2:26:36#52
2019United Airlines NYC HalfNew YorkNY1:39:36#2811
2019Main to Main MarathonOsageIA1:52:54#21
2019Seattle MarathonSeattleWA2:41:21#3079
2018Providence Rhode RacesEast ProvidenceRI1:46:07#240
2018Life Time Chicago Half Marathon + 5KChicagoIL2:02:29#2624
2017Rock 'n' Roll San DiegoSan DiegoCA1:48:06#1165
2016Beer City Half™ San DiegoSan DiegoCA1:54:47#739
2016Whole Foods Tiburon Half MarathonBelvedere TiburonCA1:55:27#149
2016Eugene Marathon 2024EugeneOR2:14:43#1430
2016Star Wars Half Marathon - The Dark SideLake Buena VistaFL2:47:31#7468
2015Seattle MarathonSeattleWA1:49:28#823
2015Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartfordCT1:57:06#1701
2015ZombieRunner Halloween RunCampbellCA2:10:53#61
2015Brooks Lake Sammamish Half Marathon presented by REIRedmondWA2:34:53#1485
2014Chi Town Half Marathon & 10KChicagoIL2:00:32#332
2013Foot Traffic Flat MarathonPortlandOR1:46:38#223
2012Ion Bank Cheshire Road RacesCheshireCT1:52:42#398
20122026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA2:10:38#3047
2012Dances with Dirt Devil's LakeBarabooWI2:26:24#180
2011Rock 'n' Roll Washington DCWashingtonDC1:36:02#600
2011UConn Health Half MarathonSimsburyCT1:46:23#223
2011Chevron City to Surf for ActivBurswoodWA2:10:53#2133
2011Dances with Dirt Devil's LakeBarabooWI2:35:45#174
2010The Notre Dame Holy HalfNotre DameIN1:43:22#217
2009DONNA Marathon WeekendJacksonville BeachFL1:49:18#199
2006UConn Health Half MarathonSimsburyCT1:51:12#231
2003Rock 'n' Roll New OrleansNew OrleansLA1:44:39#260

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

CACalifornia
5 races
CTConnecticut
4 races
MOMissouri
4 races
WAWashington
4 races
ILIllinois
3 races
WIWisconsin
3 races
MEMaine
2 races
OROregon
2 races
RIRhode Island
2 races
COColorado
1 race
DCDistrict of Columbia
1 race
IAIowa
1 race
INIndiana
1 race
MIMichigan
1 race
NCNorth Carolina
1 race
NJNew Jersey
1 race
NYNew York
1 race
GAGeorgia
0 races
MAMassachusetts
0 races

50-State Challenge

19/ 51 states + DC

32 states to go