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Mark O'brien

MaleNew York1996–2025

26

Total Finishes

15

Distinct Races

10

States (20%)

1:29:40

PR (6:51/mi)

2:03:38

Average

+0:06:38

Slower (first→last)

Medal House

2016

Seacoast Half Marathon

Portsmouth, NH

1:57:42
#403 overall
roadflat
2016

Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8k

Richmond, VA

1:48:35
#1128 overall
roadflat
2015

Flying Pig Pump and Run

Cincinnati, OH

1:52:43
#1415 overall#1003 gender
roadflat
2015

Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8k

Richmond, VA

1:45:51
#979 overall
roadflat
2014

Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8k

Richmond, VA

2:02:57
#3223 overall
roadflat
2012

Lincoln Presidential Half Marathon

Springfield, IL

1:29:40
#33 overall#31 gender
roadflat
2012

Newport Marathon

Newport, RI

2:35:40
#2916 overall#1215 gender
roadflat
2010

Capital City Half Marathon

Columbus, OH

2:27:30
#4283 overall#2034 gender
roadflat
2009

Capital City Half Marathon

Columbus, OH

2:20:58
#3003 overall#1487 gender
roadflat
2008

Baltimore Running Festival

Baltimore, MD

2:41:05
#5117 overall#2259 gender
roadflat
2006

Charlottesville Marathon

Charlottesville, VA

2:15:14
#584 overall#292 gender
roadflat
1996

NYRR Staten Island Half

Staten Island, NY

1:57:57
#1390 overall#1063 gender
roadflat

Performance Timeline

PR 1:29:4019962006200820092010201220122014201520152016201620172017201720182018201820192019201920212021202220252025

Complete Race Log

YearRaceStateTimePlace
2025The Jersey City Marathon & Half Marathon Marquee Experience at NewportJersey CityNJ2:04:35#2349
2025Hudson Valley Marathon at the Walkway Over the HudsonHighlandNY1:33:21#42
2022Shamrock MarathonVirginia BeachVA2:02:32#1693
2021Union Bank Field House Fall Half Marathon & 5k/10kShelburneVT2:05:03.1#71
2021Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmondVA1:50:51#1119
2019Seacoast Half MarathonPortsmouthNH2:08:53#576
2019Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmondVA2:23:54#5649
2019Chicago Spring Half MarathonChicagoIL2:29:05#3535
2018Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmondVA1:50:05#1384
2018The Gobbler Half Marathon, 10K & 5KLexingtonKY1:53:34#56
2018Seacoast Half MarathonPortsmouthNH1:59:55#459
2017Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmondVA1:51:29#1436
2017Seacoast Half MarathonPortsmouthNH2:00:07#515
2017Shamrock MarathonVirginia BeachVA2:05:24#1788
2016Seacoast Half MarathonPortsmouthNH1:57:42#403
2016Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmondVA1:48:35#1128
2015Flying Pig Pump and RunCincinnatiOH1:52:43#1415
2015Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmondVA1:45:51#979
2014Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmondVA2:02:57#3223
2012Lincoln Presidential Half MarathonSpringfieldIL1:29:40#33
2012Newport MarathonNewportRI2:35:40#2916
2010Capital City Half MarathonColumbusOH2:27:30#4283
2009Capital City Half MarathonColumbusOH2:20:58#3003
2008Baltimore Running FestivalBaltimoreMD2:41:05#5117
2006Charlottesville MarathonCharlottesvilleVA2:15:14#584
1996NYRR Staten Island HalfStaten IslandNY1:57:57#1390

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

VAVirginia
10 races
NHNew Hampshire
4 races
OHOhio
3 races
NYNew York
2 races
ILIllinois
2 races
MDMaryland
1 race
RIRhode Island
1 race
KYKentucky
1 race
VTVermont
1 race
NJNew Jersey
1 race

50-State Challenge

10/ 51 states + DC

41 states to go