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SD
Sean Duffy
MaleConnecticut1995–2025
99
Total Finishes
52
Distinct Races
17
States (33%)
1:26:29
PR (6:36/mi)
2:05:57
Average
-0:04:36
Faster (first to last)
Medal House
2006
Life Time Chicago Half Marathon + 5K
1:49:47
#1613 overall#1137 gender
2006
United Airlines NYC Half
1:50:52
#2844 overall#2140 gender
2006
Rock 'n' Roll Virgina Beach Half Marathon
2:13:09
#6286 overall#3723 gender
2005
Kaiser Permanente San Francisco Half Marathon & 5K
1:46:17
#936 overall#717 gender
2004
Race to Robie Creek
1:47:42
#188 overall#173 gender
2004
Rock 'n' Roll Arizona Marathon
2:07:53
#4415 overall#2497 gender
2004
Pikes Peak Ascent
3:21:21
#110 overall#103 gender
2003
Race to Robie Creek
1:37:59
#66 overall#64 gender
2002
Race to Robie Creek
1:55:39
#392 overall#332 gender
2000
The LESS Popular Brooklyn Half Marathon!
1:59:49
#1554 overall#1147 gender
1997
2025 500 Festival Running Events
2:49:30
#11366 overall#7479 gender
1995
2025 500 Festival Running Events
2:14:01
#6679 overall#5193 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Capital City Half MarathonColumbus | OH | 1:36:02 | #305 |
| 2025 | EMC DAM to DSMPolk City | IA | 1:53:13 | #1015 |
| 2025 | Sprouts Mesa - Phoenix MarathonMesa | AZ | 2:09:25 | #1808 |
| 2024 | Capital City Half MarathonColumbus | OH | 1:28:22 | #74 |
| 2024 | Chicago 13.1Chicago | IL | 1:35:48 | #466 |
| 2024 | 2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort Lauderdale | FL | 1:52:05 | #479 |
| 2024 | The Hoot Half Marathon & 10k Trail RaceLewis Center | OH | 2:00:52 | #7 |
| 2024 | EMC DAM to DSMPolk City | IA | 2:08:30 | #1413 |
| 2024 | Midwest Greater Des Moines Half Marathon, 10K & 5KDes Moines | IA | 2:08:49 | #139 |
| 2024 | Hy-Vee Greater Des MoinesDes Moines | IA | 2:08:49 | #139 |
| 2024 | 1/2 Sauer 1/2 KrautPhiladelphia | PA | 2:26:41 | #284 |
| 2024 | Buffalo Marathon WeekendBuffalo | NY | 2:30:23 | #2338 |
| 2023 | Capital City Half MarathonColumbus | OH | 1:26:54 | #61 |
| 2023 | Christmas in July Half Marathon and 5K (Indianapolis)Indianapolis | IN | 1:35:44 | #18 |
| 2023 | Falla Walla Half Marathon, 10K & Heroes 5K RunWalla Walla | WA | 2:32:03 | #96 |
| 2022 | UConn Health Half MarathonSimsbury | CT | 1:32:35 | #29 |
| 2022 | Capital City Half MarathonColumbus | OH | 1:33:54 | #135 |
| 2022 | 64th Annual Ocean Beach/John & Jessie Kelley Half MarathonNew London | CT | 1:34:51 | #50 |
| 2022 | Barron Collier Companies Naples Half MarathonNaples | FL | 1:37:04 | #122 |
| 2022 | The Woodlands MarathonThe Woodlands | TX | 2:15:25 | #1423 |
| 2021 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 1:31:42 | #37 |
| 2021 | 64th Annual Ocean Beach/John & Jessie Kelley Half MarathonNew London | CT | 1:31:57 | #54 |
| 2021 | Colchester Half MarathonColchester | CT | 1:36:43 | #34 |
| 2021 | 2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort Lauderdale | FL | 1:37:31 | #111 |
| 2021 | United Airlines NYC HalfNew York | NY | 1:43:45 | #1547 |
| 2021 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:53:04 | #1898 |
| 2021 | Norfolk Harbor Half MarathonNorfolk | VA | 2:06:04 | #493 |
| 2020 | Capital City Half MarathonColumbus | OH | 1:29:27 | #4 |
| 2020 | That DamDenver | CO | 2:02:36 | #76 |
| 2019 | Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family StrollWESTON | CT | 1:30:17 | #5 |
| 2019 | 64th Annual Ocean Beach/John & Jessie Kelley Half MarathonNew London | CT | 1:34:11 | #48 |
| 2019 | Capital City Half MarathonColumbus | OH | 1:38:47 | #314 |
| 2019 | Sunset on the SpringwaterPortland | OR | 2:06:59 | #59 |
| 2019 | United Airlines NYC HalfNew York | NY | 2:24:11 | #18899 |
| 2019 | Dayton River Corridor ClassicDayton | OH | 2:28:58 | #267 |
| 2019 | Fall ClassicStrongsville | OH | 2:39:32 | #560 |
| 2019 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 3:33:53 | #16546 |
| 2019 | Cleveland Marathon & Half MarathonCleveland | OH | 3:34:51 | #3856 |
| 2018 | 2026 2XU Long Beach Marathon & Half MarathonLong Beach | CA | 1:26:29 | #40 |
| 2018 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 1:29:05 | #129 |
| 2018 | Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family StrollWESTON | CT | 1:29:53 | #6 |
| 2018 | Dutchess County ClassicWappingers Falls | NY | 1:35:42 | #35 |
| 2018 | 64th Annual Ocean Beach/John & Jessie Kelley Half MarathonNew London | CT | 1:38:30 | #74 |
| 2018 | United Airlines NYC HalfNew York | NY | 1:41:45 | #2845 |
| 2018 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 3:19:56 | #15345 |
| 2018 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 3:28:18 | #13625 |
| 2017 | 2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort Lauderdale | FL | 1:36:52 | #116 |
| 2017 | 3M Half MarathonAustin | TX | 2:13:05 | #2884 |
| 2017 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:14:07 | #4065 |
| 2017 | Cleveland Marathon & Half MarathonCleveland | OH | 3:01:21 | #4341 |
| 2016 | United Airlines NYC HalfNew York | NY | 1:38:58 | #2200 |
| 2016 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:06:03 | #3737 |
| 2016 | Cleveland Marathon & Half MarathonCleveland | OH | 2:50:09 | #4013 |
| 2016 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 2:50:11 | #11018 |
| 2016 | Star Wars Half Marathon - The Dark SideLake Buena Vista | FL | 3:10:50 | #11738 |
| 2016 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 3:17:06 | #1488 |
| 2015 | 2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort Lauderdale | FL | 1:37:01 | #171 |
| 2015 | Mystic Half Marathon & 10KMystic | CT | 1:41:11 | #58 |
| 2015 | Middletown 10K & 5KMiddletown | CT | 1:45:59 | #117 |
| 2015 | Wild Half Marathon and 8kWildwood | NJ | 1:47:44 | #172 |
| 2015 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:52:42 | #2709 |
| 2015 | Philadelphia MarathonPhiladelphia | PA | 1:53:42 | #2409 |
| 2015 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 2:21:42 | #5943 |
| 2015 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:28:09 | #22558 |
| 2014 | United Airlines NYC HalfNew York | NY | 1:41:29 | #2835 |
| 2014 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:42:26 | #1209 |
| 2014 | Philadelphia MarathonPhiladelphia | PA | 1:48:02 | #1870 |
| 2014 | Falla Walla Half Marathon, 10K & Heroes 5K RunWalla Walla | WA | 1:54:54 | #58 |
| 2014 | Bristol Half-MarathonBristol | CT | 2:00:12 | #99 |
| 2014 | 2026 Disney Wine & Dine Half Marathon WeekendOrlando | FL | 2:05:28 | #1248 |
| 2014 | 2026 Disneyland® Half Marathon Weekend presented by HONDAAnaheim | CA | 2:33:00 | #5418 |
| 2014 | Ogden Half Marathon ClassicWheeling | WV | 3:05:06 | #432 |
| 2014 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 3:08:53 | #14277 |
| 2013 | Philadelphia MarathonPhiladelphia | PA | 1:43:50 | #1129 |
| 2013 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:44:28 | #2289 |
| 2013 | Snake River Canyon Half MarathonPullman | WA | 2:01:34 | #303 |
| 2013 | 2026 Disney Wine & Dine Half Marathon WeekendOrlando | FL | 2:13:49 | #2241 |
| 2013 | Marion Arts Festival Half MarathonMarion | IA | 2:16:29 | #412 |
| 2013 | 2025 500 Festival Running EventsIndianapolis | IN | 2:20:11 | #14597 |
| 2013 | 2025 Disney Princess Half Marathon Weekend presented by CORKCICLE®Orlando | FL | 2:55:37 | #10658 |
| 2012 | Philadelphia MarathonPhiladelphia | PA | 1:59:36 | #3374 |
| 2012 | Life Time 305 Half Marathon and 5K Presented by Baptist HealthMiami Beach | FL | 2:23:53 | #1507 |
| 2011 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 1:43:32 | #594 |
| 2011 | Newburyport Half Marathon and RelayNewburyport | MA | 1:48:01 | #314 |
| 2011 | Philadelphia MarathonPhiladelphia | PA | 1:50:01 | #1332 |
| 2011 | 1/2 Sauer 1/2 KrautPhiladelphia | PA | 2:13:41 | #263 |
| 2011 | Life Time 305 Half Marathon and 5K Presented by Baptist HealthMiami Beach | FL | 2:40:01 | #1981 |
| 2010 | United Airlines NYC HalfNew York | NY | 1:49:00 | #3398 |
| 2010 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 1:58:36 | #2366 |
| 2010 | Baltimore Running FestivalBaltimore | MD | 2:16:10 | #4519 |
| 2010 | North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)Port Angeles | WA | 2:49:31 | #680 |
| 2010 | Snake River Canyon Half MarathonPullman | WA | 3:31:17 | #678 |
| 2009 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:47:48 | #1614 |
| 2009 | NYRR Fred Lebow Half MarathonNew York | NY | 1:48:23 | #1503 |
| 2009 | St. Luke's Half Marathon & 5KAllentown | PA | 1:49:04 | #671 |
| 2009 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 1:54:54 | #1207 |
| 2009 | United Airlines NYC HalfNew York | NY | 1:55:36 | #2857 |
| 2009 | Philadelphia MarathonPhiladelphia | PA | 1:56:39 | #1835 |
| 2009 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:20:38 | #7832 |
| 2008 | NYRR Fred Lebow Half MarathonNew York | NY | 1:46:23 | #1429 |
| 2008 | The Notre Dame Holy HalfNotre Dame | IN | 1:46:54 | #146 |
| 2008 | United Airlines NYC HalfNew York | NY | 1:54:56 | #3333 |
| 2008 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:02:36 | #3727 |
| 2008 | Fairfield Road RacesFairfield | CT | 2:11:48 | #1335 |
| 2007 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:45:16 | #1269 |
| 2006 | Life Time Chicago Half Marathon + 5KChicago | IL | 1:49:47 | #1613 |
| 2006 | United Airlines NYC HalfNew York | NY | 1:50:52 | #2844 |
| 2006 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:13:09 | #6286 |
| 2005 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 1:46:17 | #936 |
| 2004 | Race to Robie CreekBoise | ID | 1:47:42 | #188 |
| 2004 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:07:53 | #4415 |
| 2004 | Pikes Peak AscentManitou Springs | CO | 3:21:21 | #110 |
| 2003 | Race to Robie CreekBoise | ID | 1:37:59 | #66 |
| 2002 | Race to Robie CreekBoise | ID | 1:55:39 | #392 |
| 2000 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:59:49 | #1554 |
| 1997 | 2025 500 Festival Running EventsIndianapolis | IN | 2:49:30 | #11366 |
| 1995 | 2025 500 Festival Running EventsIndianapolis | IN | 2:14:01 | #6679 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
FLFlorida
19 racesNYNew York
19 racesCTConnecticut
14 racesPAPennsylvania
14 racesOHOhio
12 racesCACalifornia
5 racesIAIowa
5 racesINIndiana
5 racesWAWashington
5 racesIDIdaho
3 racesILIllinois
3 racesAZArizona
2 racesCOColorado
2 racesTXTexas
2 racesVAVirginia
2 racesOROregon
1 raceWVWest Virginia
1 race50-State Challenge
17/ 51 states + DC
34 states to go