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SO
Shannon O'Neill
FemaleIllinois2006–2026
42
Total Finishes
31
Different Races
14
States (28%)
1:30:03
PR (6:52/mi)
2:24:04
Average
+0:29:01
Slower (first to last)
Medal House
2014
Less Popular Brooklyn Half Marathon
1:42:48
#3786 overall#763 gender
2013
Carlsbad Marathon
2:52:47
#6015 overall#3389 gender
2013
Tri-City Medical Center Carlsbad Marathon
2:52:47
#6016 overall#3389 gender
2013
2026 National Women's Half Marathon and 8K
3:07:29
#12906 overall#12396 gender
2012
Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8k
1:35:01
#242 overall
2012
Rock ‘n' Roll Washington DC
2:18:10
#9491 overall#5468 gender
2012
Pittsburgh Marathon Weekend
3:43:11
#11919 overall#7270 gender
2011
Frederick Running Festival
2:12:33
#2133 overall#912 gender
2009
Less Popular Brooklyn Half Marathon
1:30:03
#371 overall#21 gender
2009
Rock 'n' Roll Chicago Half Marathon
2:43:29
#11773 overall#7179 gender
2008
Rock ‘n’ Roll Philadelphia Half Marathon
2:15:25
#9280 overall#3991 gender
2006
United Airlines NYC Half
1:54:30
#3661 overall#1029 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Chicago Spring Half MarathonChicago | IL | 2:22:39 | #3984 |
| 2026 | Chi Town Half Marathon & 10KChicago | IL | 2:23:31 | #1397 |
| 2025 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:54:55 | #1613 |
| 2025 | Chicago Spring Half MarathonChicago | IL | 2:15:14 | #3233 |
| 2024 | Life Time Chicago Half Marathon + 5KChicago | IL | 2:32:12 | #5527 |
| 2024 | Chicago 13.1Chicago | IL | 2:41:13 | #6460 |
| 2023 | The Unforgettable Staten Island Half MarathonStaten Island | NY | 1:44:26 | #1960 |
| 2023 | Santa Barbara Wine Country Half MarathonSolvang | CA | 2:32:53 | #889 |
| 2022 | Chicago 13.1Chicago | IL | 2:31:15 | #2856 |
| 2022 | Rock 'n' Roll New Orleans | — | 2:39:28 | #3322 |
| 2022 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:39:29 | #3325 |
| 2022 | Buffalo Marathon WeekendBuffalo | NY | 2:41:57 | #1960 |
| 2021 | Cambridge Half Marathon + 5KCambridge | MA | 2:26:22 | #2603 |
| 2021 | Chi Town Half Marathon & 10KChicago | IL | 2:29:46 | #1405 |
| 2021 | Buffalo Marathon WeekendBuffalo | NY | 2:35:31 | #538 |
| 2020 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 2:29:53 | #4074 |
| 2020 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:33:25 | #3577 |
| 2019 | Buffalo Marathon WeekendBuffalo | NY | 2:17:32 | #2005 |
| 2019 | Shipyard Old Port Half MarathonPortland | ME | 2:27:08 | #2491 |
| 2019 | Shipyard Old Port Half Marathon & 5K | — | 2:27:08 | #2499 |
| 2018 | Buffalo Marathon WeekendBuffalo | NY | 2:13:34 | #1733 |
| 2018 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:14:49 | #4775 |
| 2018 | Covered Bridges Half MarathonWoodstock | VT | 2:51:43 | #1815 |
| 2017 | Virginia Wine Country Half Marathon 2026Hillsboro | VA | 2:27:10 | #884 |
| 2016 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 1:53:14 | #8278 |
| 2016 | Suffolk County MarathonSuffolk County | NY | 2:54:16 | #1066 |
| 2015 | B.A.A. Half MarathonBoston | MA | 2:27:05 | #5471 |
| 2014 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 1:42:48 | #3786 |
| 2014 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 2:20:22 | #4318 |
| 2013 | Carlsbad MarathonCarlsbad | CA | 2:52:47 | #6015 |
| 2013 | Tri-City Medical Center Carlsbad Marathon | — | 2:52:47 | #6016 |
| 2013 | 2026 National Women's Half Marathon and 8KWashington | DC | 3:07:29 | #12906 |
| 2012 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 1:35:01 | #242 |
| 2012 | Rock ‘n' Roll Washington DCWashington | DC | 2:18:10 | #9491 |
| 2012 | Pittsburgh Marathon WeekendPittsburgh | PA | 3:43:11 | #11919 |
| 2011 | Frederick Running FestivalFrederick | MD | 2:12:33 | #2133 |
| 2009 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 1:30:03 | #371 |
| 2009 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:43:29 | #11773 |
| 2008 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:15:25 | #9280 |
| 2006 | United Airlines NYC HalfNew York | NY | 1:54:30 | #3661 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
10 racesILIllinois
9 racesPAPennsylvania
2 racesVAVirginia
2 racesDCDistrict of Columbia
2 racesCACalifornia
2 racesMAMassachusetts
2 racesLALouisiana
2 racesMDMaryland
1 raceCTConnecticut
1 raceNVNevada
1 raceVTVermont
1 raceMEMaine
1 raceFLFlorida
1 race50-State Challenge
14/ 50 states
36 states to go