HalfRuns
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Chris O'Brien

MaleNew York1999–2025

36

Total Finishes

27

Different Races

14

States (27%)

1:20:36

PR (6:09/mi)

2:05:12

Average

-0:27:57

Faster (first to last)

Medal House

2014

Shoreline Half Marathon & 5K

1:43:41
#53 overall#41 gender
2014

Flying Pig Pump and Run

1:56:45
#1746 overall#1179 gender
2013

Maine Marathon, Half Marathon and Marathon Relay

1:32:08
#68 overall
2013

18th Annual F^3 Lake Half Marathon & 5k

1:49:30
#360 overall#251 gender
2013

Shoreline Half Marathon & 5K

1:56:19
#147 overall#95 gender
2011

NorthShore Half Marathon

1:57:19
#283 overall#213 gender
2011

Zeitgeist Half Marathon

2:21:34
#720 overall#383 gender
2011

Run Bentonville Half Marathon

3:17:27
#807 overall#430 gender
2008

Chevron City to Surf for Activ

1:36:48
#248 overall#234 gender
2007

Rock 'n' Roll Chicago Half Marathon

2:28:20
#6406 overall#3563 gender
2005

Bidwell Classic 5K, 10k and Half Marathon March 7th, 2026

1:48:39
#123 overall#92 gender
1999

Rock ‘n’ Roll Philadelphia Half Marathon

1:48:33
#2442 overall#1927 gender

Performance Timeline

PR 1:20:3619992005200720082011201120112013201320132014201420142014201520152015201520152016201620172017201720172018201820182019202120222022202320232023202420242025

Complete Race Log

YearRaceStateTimePlace
2025Druthers Helderberg to Hudson Half MarathonAltamontNY1:20:36#37
2024Cambridge Half Marathon + 5KCambridgeMA1:48:48#2335
2024Cape Cod Marathon WeekendFalmouthMA2:43:36#1417
2023Cambridge Half Marathon + 5KCambridgeMA1:48:50#1810
2023Tree House Half MarathonSouth DeerfieldMA2:18:09#1007
2023Cape Cod Marathon WeekendFalmouthMA2:57:40#1470
2022Cambridge Half Marathon + 5KCambridgeMA1:42:52#654
2022Shamrock MarathonVirginia BeachVA2:16:17#2714
2021Cambridge Half Marathon + 5KCambridgeMA2:18:31#2430
2019The LESS Popular Brooklyn Half Marathon!BrooklynNY1:51:21#7514
2018Santa Cruz Half MarathonSanta CruzCA1:44:31#118
2018Beer City Half™ San DiegoSan DiegoCA1:53:18#542
2018Unlimited Breadsticks Trail Race Half MarathonVictorNY2:46:32#27
2017Marion Arts Festival Half MarathonMarionIA1:41:46#55
2017Star Wars Half Marathon - The Dark SideLake Buena VistaFL2:35:38#5217
2017SPF Trail Half MarathonVictorNY2:52:22#71
2017Tails and Trails RunTallahasseeFL3:03:16#141
2016Flying Pig Pump and RunCincinnatiOH1:45:47#470
20162026 Napa to Sonoma Wine Country Half Marathon & Rosé 5KNapaCA2:10:00#1092
2015Winter Warrior Half Marathon, Quarter Marathon & Half Marathon RelayRochesterNY1:46:04#56
2015The LESS Popular Brooklyn Half Marathon!BrooklynNY1:47:35#5454
201518th Annual F^3 Lake Half Marathon & 5kChicagoIL1:53:49#535
2015Cleveland Marathon & Half MarathonClevelandOH1:55:32#897
2015Chosen MarathonNew BraunfelsTX2:07:54#299
2014Shoreline Half Marathon & 5KHamlinNY1:43:41#53
2014Flying Pig Pump and RunCincinnatiOH1:56:45#1746
201418th Annual F^3 Lake Half Marathon & 5kChicagoIL2:01:27#491
2014Rock 'n' Roll New OrleansNew OrleansLA2:42:09#6804
2013Maine Marathon, Half Marathon and Marathon RelayPortlandME1:32:08#68
201318th Annual F^3 Lake Half Marathon & 5kChicagoIL1:49:30#360
2013Shoreline Half Marathon & 5KHamlinNY1:56:19#147
2011NorthShore Half MarathonMandevilleLA1:57:19#283
2011Zeitgeist Half MarathonBoiseID2:21:34#720
2011Run Bentonville Half MarathonBentonvilleAR3:17:27#807
2008Chevron City to Surf for ActivBurswoodWA1:36:48#248
2007Rock 'n' Roll Chicago Half MarathonChicagoIL2:28:20#6406
2005Bidwell Classic 5K, 10k and Half Marathon March 7th, 2026ChicoCA1:48:39#123
1999Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:48:33#2442

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

NYNew York
8 races
MAMassachusetts
7 races
CACalifornia
4 races
ILIllinois
4 races
OHOhio
3 races
FLFlorida
2 races
LALouisiana
2 races
ARArkansas
1 race
IAIowa
1 race
IDIdaho
1 race
MEMaine
1 race
PAPennsylvania
1 race
TXTexas
1 race
KYKentucky
0 races

50-State Challenge

14/ 51 states + DC

37 states to go