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TD
Thomas Duffy
MaleWisconsin1991–2025
74
Total Finishes
59
Distinct Races
20
States (39%)
1:23:26
PR (6:22/mi)
2:15:11
Average
+1:04:19
Slower (first to last)
Medal House
2008
Life Time Miami Marathon & Half
2:03:24
#2552 overall#1724 gender
2008
Rock 'n' Roll San Jose
2:20:23
#5451 overall#3111 gender
2008
Kaiser Permanente San Francisco Half Marathon & 5K
2:30:14
#3846 overall#2004 gender
2007
IMT Des Moines Marathon
2:13:16
#1183 overall#633 gender
2007
Dayton River Corridor Classic
2:16:25
#447 overall#296 gender
2006
Life Time Miami Marathon & Half
2:29:59
#3712 overall#2135 gender
2004
Grandma's Marathon
2:17:34
#3220 overall#1662 gender
2002
Grandma's Marathon
2:01:55
#2097 overall#1305 gender
2001
Grandma's Marathon
2:02:18
#1798 overall#1164 gender
1999
Grandma's Marathon
1:54:58
#1255 overall#869 gender
1995
Grandma's Marathon
1:53:13
#828 overall#558 gender
1991
Grandma's Marathon
1:51:29
#486 overall#337 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Napa Valley MarathonNapa | CA | 1:23:26 | #94 |
| 2025 | Bird-in-Hand Half Marathon, 5K, and Kid's Fun RunBird In Hand | PA | 1:27:17 | #16 |
| 2025 | St. Luke's Half Marathon & 5KAllentown | PA | 1:27:19 | #33 |
| 2025 | Heatwave Half Marathon - Little RockLittle Rock | AR | 2:37:39 | #1330 |
| 2025 | Hot Springs Half MarathonHot Springs | AR | 2:55:48 | #134 |
| 2023 | Frederick Running FestivalFrederick | MD | 2:58:33 | #2547 |
| 2023 | Frederick Running FestivalFrederick | MD | 2:58:34 | #2210 |
| 2022 | St. Luke's Half Marathon & 5KAllentown | PA | 1:29:57 | #31 |
| 2022 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:56:02 | #984 |
| 2022 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:25:12 | #5615 |
| 2022 | PHILADELPHIA DISTANCE RUNPhiladelphia | PA | 2:42:55 | #2442 |
| 2022 | Philadelphia Distance RunPhiladelphia | PA | 2:42:55 | #2437 |
| 2021 | OCNJ Half Marathon, 10 Mile & 5KOcean City | NJ | 2:02:28 | #205 |
| 2020 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:50:50 | #741 |
| 2020 | Baltimore Running FestivalBaltimore | MD | 2:28:51 | #250 |
| 2020 | Birkie Trail Run FestivalHayward | WI | 2:36:06 | #32 |
| 2020 | Grandma's MarathonDuluth | MN | 3:30:31 | #5109 |
| 2019 | Novo Nordisk New Jersey MarathonLong Branch | NJ | 1:52:15 | #728 |
| 2019 | St. Augustine Half Marathon, 10k and 5kSt Augustine | FL | 2:05:59 | #208 |
| 2019 | Mercer County Half Marathon & 5kTrenton | NJ | 2:07:20 | #187 |
| 2019 | Star of Hope Half MarathonRobbinsville | NJ | 2:07:21 | #191 |
| 2018 | Delaware & Lehigh Heritage Half Marathon Walk and RunSlatington | PA | 1:36:53 | #38 |
| 2018 | D & L Heritage Half MarathonNorthampton | MA | 1:36:54 | #38 |
| 2018 | Boothbay HarborFest 5k and halfBoothbay Harbor | ME | 1:39:27 | #13 |
| 2018 | Bucks County MarathonWashington Crossing | PA | 1:39:51 | #25 |
| 2018 | Blueberry Cove 13.1Tenants Harbor | ME | 1:42:37 | #11 |
| 2018 | Garden State 10 Miler Relay / 5k / HM ChallengeSomerset | NJ | 1:44:48 | #34 |
| 2018 | E Murray Todd Half MarathonColts Neck | NJ | 1:52:07 | #240 |
| 2018 | Birkie Trail Run FestivalHayward | WI | 2:50:25 | #46 |
| 2018 | Grandma's MarathonDuluth | MN | 3:11:08 | #7322 |
| 2017 | Rock 'n' Roll Washington DCWashington | DC | 1:48:57 | #1681 |
| 2017 | Cape Cod Marathon WeekendFalmouth | MA | 1:59:02 | #469 |
| 2016 | Baton Rouge Beach MarathonBaton Rouge | LA | 1:40:49 | #21 |
| 2016 | Boston's Run To RememberBoston | MA | 1:51:51 | #1387 |
| 2016 | Rock 'n' Roll Washington DCWashington | DC | 2:06:44 | #5653 |
| 2016 | Grandma's MarathonDuluth | MN | 3:15:24 | #7670 |
| 2015 | Suffolk County MarathonSuffolk County | NY | 1:39:07 | #91 |
| 2015 | REVEL Big CottonwoodSalt Lake City | UT | 1:39:30 | #248 |
| 2015 | Fox Valley Marathon RacesSaint Charles | IL | 2:01:39 | #512 |
| 2015 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:47:37 | #25143 |
| 2014 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:47:22 | #1860 |
| 2014 | Scranton Half MarathonScranton | PA | 1:55:05 | #706 |
| 2014 | Historic Half Training (sponsored by FARC)Fredericksburg | VA | 2:15:12 | #3082 |
| 2014 | AmeriHealth Atlantic City Marathon, Half Marathon, 10K & G. Larry James 5KAtlantic City | NJ | 2:38:59 | #1029 |
| 2014 | Grandma's MarathonDuluth | MN | 2:43:15 | #6675 |
| 2014 | Whistlestop MarathonAshland | WI | 2:48:40 | #1279 |
| 2013 | Beer City Half™ Santa RosaSanta Rosa | CA | 1:32:33 | #22 |
| 2013 | NorthShore Half MarathonMandeville | LA | 1:49:11 | #132 |
| 2013 | REVEL Big CottonwoodSalt Lake City | UT | 2:08:53 | #1234 |
| 2013 | Sol Lipton Half MarathonPottsville | PA | 2:22:01 | #46 |
| 2013 | Grandma's MarathonDuluth | MN | 2:32:57 | #5682 |
| 2013 | Oakland Running FestivalOakland | CA | 2:33:02 | #2489 |
| 2013 | Runtastic HAUNTED ProvoProvo | UT | 2:42:19 | #1269 |
| 2013 | San Luis Obispo Marathon & HalfSan Luis Obispo | CA | 2:43:45 | #1748 |
| 2013 | OC Marathon - Half Marathon - 5KNewport Beach | CA | 3:33:23 | #9669 |
| 2012 | D&H Rail Trails Half MarathonForest City | PA | 1:45:56 | #91 |
| 2012 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:48:29 | #2585 |
| 2012 | Dallas Marathon WeekendDallas | TX | 1:49:04 | #723 |
| 2012 | Cytiva Top of Utah MarathonLogan | UT | 1:51:42 | #468 |
| 2012 | Oakland Running FestivalOakland | CA | 2:13:02 | #1772 |
| 2012 | Capital City Half MarathonColumbus | OH | 2:14:52 | #4193 |
| 2012 | Rock 'n' Roll San JoseSan Jose | CA | 2:25:29 | #5820 |
| 2012 | Running with the Bears Marathon, Half Marathon and 10KGreenville | CA | 2:29:46 | #72 |
| 2012 | Davis MoonLight RunDavis | CA | 2:32:39 | #977 |
| 2012 | Grandma's MarathonDuluth | MN | 2:34:48 | #5532 |
| 2012 | Davis StampedeDavis | CA | 2:37:32 | #1041 |
| 2011 | Ogden MarathonOgden | UT | 2:03:21 | #876 |
| 2011 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:11:06 | #9661 |
| 2011 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 2:22:02 | #4340 |
| 2011 | Rock 'n' Roll San JoseSan Jose | CA | 2:22:52 | #5655 |
| 2011 | Flying Pig Pump and RunCincinnati | OH | 3:07:27 | #9037 |
| 2010 | Shamrock MarathonVirginia Beach | VA | 1:55:48 | #1382 |
| 2010 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:59:54 | #3521 |
| 2010 | Rock 'n' Roll San JoseSan Jose | CA | 2:26:58 | #6457 |
| 2010 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:34:13 | #2314 |
| 2010 | Salt Lake City MarathonSalt Lake City | UT | 2:40:20 | #3969 |
| 2010 | Oakland Running FestivalOakland | CA | 2:47:37 | #2500 |
| 2010 | Cytiva Top of Utah MarathonLogan | UT | 2:53:38 | #1873 |
| 2009 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:03:52 | #6792 |
| 2009 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 2:21:12 | #5111 |
| 2009 | Kentucky Derby Festival Race WeekendLouisville | KY | 2:46:41 | #6832 |
| 2008 | Life Time Miami Marathon & HalfMiami | FL | 2:03:24 | #2552 |
| 2008 | Rock 'n' Roll San JoseSan Jose | CA | 2:20:23 | #5451 |
| 2008 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 2:30:14 | #3846 |
| 2007 | IMT Des Moines MarathonDes Moines | IA | 2:13:16 | #1183 |
| 2007 | Dayton River Corridor ClassicDayton | OH | 2:16:25 | #447 |
| 2006 | Life Time Miami Marathon & HalfMiami | FL | 2:29:59 | #3712 |
| 2004 | Grandma's MarathonDuluth | MN | 2:17:34 | #3220 |
| 2002 | Grandma's MarathonDuluth | MN | 2:01:55 | #2097 |
| 2001 | Grandma's MarathonDuluth | MN | 2:02:18 | #1798 |
| 1999 | Grandma's MarathonDuluth | MN | 1:54:58 | #1255 |
| 1995 | Grandma's MarathonDuluth | MN | 1:53:13 | #828 |
| 1991 | Grandma's MarathonDuluth | MN | 1:51:29 | #486 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
17 racesPAPennsylvania
15 racesMNMinnesota
12 racesNJNew Jersey
7 racesUTUtah
7 racesOHOhio
4 racesFLFlorida
3 racesMAMassachusetts
3 racesMDMaryland
3 racesTXTexas
3 racesWIWisconsin
3 racesARArkansas
2 racesLALouisiana
2 racesMEMaine
2 racesNYNew York
2 racesVAVirginia
2 racesIAIowa
1 raceILIllinois
1 raceKYKentucky
1 raceNVNevada
1 race50-State Challenge
20/ 51 states + DC
31 states to go