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SO
Shannon O'Brien
FemaleMassachusetts2000–2026
63
Total Finishes
48
Distinct Races
21
States (41%)
1:35:15
PR (7:16/mi)
2:19:04
Average
+0:22:10
Slower (first to last)
Medal House
2012
Ocean City Running, 5k, Half Marathon
1:56:28
#550 overall#226 gender
2012
Empire State Half Marathon & 5k
2:05:54
#688 overall#326 gender
2012
ARC Races
2:13:41
#262 overall#111 gender
2011
Pinckney Trail Weekend
2:03:12
#141 overall#22 gender
2011
2026 2XU Long Beach Marathon & Half Marathon
2:31:17
#6117 overall#2976 gender
2011
Pittsburgh Marathon Weekend
2:41:25
#7344 overall#4261 gender
2010
Martian Invasion of the Races
1:48:44
#436 overall#96 gender
2010
Pinckney Trail Weekend
2:19:50
#318 overall#90 gender
2007
Carlsbad Marathon
2:39:23
#4790 overall#2474 gender
2006
Kentucky Derby Festival Race Weekend
2:05:22
#2860 overall#837 gender
2003
2025 Aramco Houston Half Marathon Searchable Finish Line Video
2:26:18
#2811 overall#1188 gender
2000
Beer City Half™ San Diego
2:18:00
#3371 overall#1234 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 2:40:10 | #4020 |
| 2025 | Get in GearMinneapolis | MN | 2:20:45 | #1198 |
| 2024 | Berkeley Half MarathonBerkeley | CA | 1:57:26 | #1083 |
| 2024 | Philadelphia Distance RunPhiladelphia | PA | 2:04:56 | #1614 |
| 2024 | New England Half MarathonConcord | NH | 2:13:23 | #563 |
| 2023 | Berkeley Half MarathonBerkeley | CA | 2:00:43 | #1204 |
| 2022 | 2026 Miami Beach Halloween Half Marathon & Freaky 4-MilerMiami Beach | FL | 1:57:48 | #169 |
| 2022 | Indianapolis Monumental MarathonIndianapolis | IN | 2:50:02 | #5115 |
| 2022 | St. Jude Memphis Marathon WeekendMemphis | TN | 2:50:27 | #4759 |
| 2021 | Optim Orthopedics SkidawaySavannah | GA | 1:35:15 | #27 |
| 2021 | Amita Health Fit America 10KHoffman Estates | IL | 3:17:19 | #450 |
| 2019 | Berkeley Half MarathonBerkeley | CA | 1:54:33 | #1535 |
| 2018 | Berry Half/10K/5KMount Berry | GA | 1:37:38 | #22 |
| 2018 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:47:51 | #5884 |
| 2018 | Lake Powell Half MarathonPage | AZ | 2:04:39 | #347 |
| 2018 | Gate City MarathonNashua | NH | 2:10:24 | #120 |
| 2018 | Rockfest Half MarathonHampton Beach | NH | 2:32:09 | #2711 |
| 2018 | Great American River runMemphis | TN | 2:57:20 | #605 |
| 2018 | St. Jude Memphis Marathon WeekendMemphis | TN | 3:09:58 | #7552 |
| 2017 | Newburyport Half Marathon and RelayNewburyport | MA | 1:53:46 | #531 |
| 2017 | Independence Rhode RaceBristol | RI | 2:03:50 | #244 |
| 2017 | Kentucky Derby Festival Race WeekendLouisville | KY | 2:04:00 | #2052 |
| 2017 | Divas Half Marathon & 5kWestbury | NY | 2:07:19 | #136 |
| 2017 | Tache Realty Wicked Half MarathonSalem | MA | 2:07:43 | #239 |
| 2017 | Beer City Half™ San DiegoSan Diego | CA | 2:09:41 | #1619 |
| 2017 | Earth Rock RunNorth Andover | MA | 2:13:28 | #539 |
| 2017 | 2027 Syracuse Half MarathonSyracuse | NY | 2:14:13 | #1636 |
| 2017 | Rock 'n' Roll Half Marathon San FranciscoSan Francisco | CA | 2:27:37 | #3774 |
| 2017 | El Dorado Half MarathonEl Dorado | KS | 2:38:14 | #153 |
| 2017 | St. Jude Memphis Marathon WeekendMemphis | TN | 3:06:33 | #8265 |
| 2017 | Missoula Marathon Half Marathon 5K Kids MarathonMissoula | MT | 3:13:57 | #2411 |
| 2016 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:48:03 | #5854 |
| 2016 | Sprouts Mesa - Phoenix MarathonMesa | AZ | 1:51:41 | #750 |
| 2016 | Urban Bourbon Half Marathon and 5KLouisville | KY | 1:55:51 | #611 |
| 2016 | Shipyard Old Port Half MarathonPortland | ME | 1:57:17 | #1052 |
| 2016 | Philadelphia MarathonPhiladelphia | PA | 2:01:26 | #3450 |
| 2016 | AdventHealth Orange Blossom Half Marathon-10K-5KFrostproof | FL | 2:08:47 | #107 |
| 2016 | Narragansett Summer Running FestivalEaston | MA | 2:09:28 | #262 |
| 2016 | Newport MarathonNewport | RI | 2:25:57 | #1649 |
| 2016 | IMT Des Moines MarathonDes Moines | IA | 2:28:54 | #2964 |
| 2016 | Lincoln Memorial Half MarathonSpringfield | IL | 2:34:45 | #1181 |
| 2015 | Skunk Cabbage Classic 10K & Half MarathonIthaca | NY | 1:58:43 | #306 |
| 2015 | IMT Des Moines MarathonDes Moines | IA | 2:27:19 | #3404 |
| 2015 | The Notre Dame Holy HalfNotre Dame | IN | 2:34:26 | #976 |
| 2015 | South Shore Half Marathon and 5KHanover | MA | 3:06:50 | #1595 |
| 2014 | Berry Half/10K/5KMount Berry | GA | 1:40:43 | #42 |
| 2014 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:45:12 | #147 |
| 2014 | Rockfest Half MarathonHampton Beach | NH | 2:06:01 | #1989 |
| 2014 | Philadelphia MarathonPhiladelphia | PA | 2:06:06 | #5648 |
| 2014 | Plymouth Run To The RockPlymouth | MA | 2:08:40 | #198 |
| 2014 | See Jane Run Half MarathonSeattle | WA | 2:11:37 | #283 |
| 2014 | IMT Des Moines MarathonDes Moines | IA | 2:24:13 | #3454 |
| 2014 | South Shore Half Marathon and 5KHanover | MA | 3:03:37 | #1737 |
| 2013 | Boston's Run To RememberBoston | MA | 2:47:20 | #6305 |
| 2012 | Ocean City Running, 5k, Half MarathonOcean City | MD | 1:56:28 | #550 |
| 2012 | Empire State Half Marathon & 5kCongers | NY | 2:05:54 | #688 |
| 2012 | ARC RacesLiverpool | NY | 2:13:41 | #262 |
| 2012 | Newport MarathonNewport | RI | 2:14:19 | #2182 |
| 2012 | Beer City Half™ San DiegoSan Diego | CA | 2:27:44 | #4183 |
| 2012 | Surf City MarathonHuntington Beach | CA | 2:51:49 | #11140 |
| 2011 | Pinckney Trail WeekendPinckney | MI | 2:03:12 | #141 |
| 2011 | 2026 2XU Long Beach Marathon & Half MarathonLong Beach | CA | 2:31:17 | #6117 |
| 2011 | Pittsburgh Marathon WeekendPittsburgh | PA | 2:41:25 | #7344 |
| 2010 | Martian Invasion of the RacesDearborn | MI | 1:48:44 | #436 |
| 2010 | Pinckney Trail WeekendPinckney | MI | 2:19:50 | #318 |
| 2007 | Carlsbad MarathonCarlsbad | CA | 2:39:23 | #4790 |
| 2006 | Kentucky Derby Festival Race WeekendLouisville | KY | 2:05:22 | #2860 |
| 2003 | 2025 Aramco Houston Half Marathon Searchable Finish Line VideoHouston | TX | 2:26:18 | #2811 |
| 2000 | Beer City Half™ San DiegoSan Diego | CA | 2:18:00 | #3371 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
10 racesMAMassachusetts
8 racesNYNew York
7 racesMIMichigan
4 racesNHNew Hampshire
4 racesPAPennsylvania
4 racesTNTennessee
4 racesFLFlorida
3 racesGAGeorgia
3 racesIAIowa
3 racesKYKentucky
3 racesRIRhode Island
3 racesINIndiana
2 racesKSKansas
1 raceMDMaryland
1 raceMEMaine
1 raceMNMinnesota
1 raceMTMontana
1 raceTXTexas
1 raceWAWashington
1 raceVTVermont
0 races50-State Challenge
21/ 51 states + DC
30 states to go