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MD
Mike Duffy
MaleMassachusetts1994–2026
79
Total Finishes
54
Different Races
17
States (34%)
0:54:02
PR (4:07/mi)
1:57:05
Average
+0:11:07
Slower (first to last)
Medal House
2006
Capital City Half Marathon
1:56:41
#1028 overall#717 gender
2005
Kaiser Permanente San Francisco Half Marathon & 5K
1:42:10
#682 overall#550 gender
2005
Capital City Half Marathon
2:00:28
#877 overall#612 gender
2005
Capital City Half Marathon -
2:00:28
#879 overall#620 gender
2004
Capital City Half Marathon
2:01:46
#1199 overall#809 gender
2003
Kentucky Derby Festival Race Weekend
2:01:52
#2841 overall#2133 gender
2002
Kaiser Permanente San Francisco Half Marathon & 5K
1:44:49
#800 overall#622 gender
2002
Winter Carnival Fire & Ice Winter Run
1:50:14
#466 overall#362 gender
2002
Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO
2:00:17
#713 overall#486 gender
2001
Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO
1:43:11
#603 overall#474 gender
1998
Jack & Jill Marathon & Half
1:57:16
#758 overall#520 gender
1994
Drake Relays
1:52:38
#325 overall#284 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Naples Paradise Coast Half Marathon & 5kNaples | FL | 2:03:45 | #78 |
| 2026 | Naples Paradise Coast Half MarathonNaples | FL | 2:03:45 | #78 |
| 2024 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 1:39:10 | #3640 |
| 2024 | The 20th Annual Liquid Youth Fort Lauderdale Running FestivalFort Lauderdale | FL | 1:49:35 | #67 |
| 2024 | Monson Memorial Classic Half Marathon & 5KMonson | MA | 2:09:06 | #69 |
| 2023 | Monster DashMinneapolis | MN | 1:46:25 | #31 |
| 2023 | Monster DashSt. Paul | MN | 1:46:25 | #31 |
| 2022 | Druthers Helderberg to Hudson Half MarathonAltamont | NY | 2:00:09 | #750 |
| 2020 | St. Michaels Running FestivalSaint Michaels | MD | 1:49:14 | #14 |
| 2019 | Steel Rail RacesAdams | MA | 1:58:45 | #267 |
| 2019 | Monson Memorial Classic Half Marathon & 5KMonson | MA | 2:00:45 | #75 |
| 2019 | Monson Memorial Classic | — | 2:00:45 | #75 |
| 2019 | Happy Valley Half MarathonNorthampton | MA | 2:07:17 | #215 |
| 2019 | Happy Valley Half Marathon & 5K | — | 2:07:17 | #215 |
| 2019 | 2027 WALT DISNEY WORLD® Marathon Weekend presented by State Farm® With A Running PassionOrlando | FL | 2:07:50 | #2737 |
| 2019 | Montage Mountain Trail Half MarathonMoosic | PA | 2:28:14 | #94 |
| 2018 | Happy Valley Half MarathonNorthampton | MA | 1:58:00 | #192 |
| 2018 | Happy Valley Half Marathon & 5K | — | 1:58:00 | #192 |
| 2018 | Monson Memorial Classic Half Marathon & 5KMonson | MA | 1:59:56 | #76 |
| 2018 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:06:58 | #3356 |
| 2018 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:09:16 | #2831 |
| 2017 | Steel Rail RacesAdams | MA | 1:49:23 | #137 |
| 2017 | Barron Collier Companies Naples Half MarathonNaples | FL | 1:53:50 | #436 |
| 2017 | Happy Valley Half Marathon & 5K | — | 1:53:54 | #177 |
| 2016 | DRC Half Marathon and 5KDallas | TX | 1:48:00 | #228 |
| 2016 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:50:07 | #689 |
| 2016 | Steel Rail RacesAdams | MA | 2:03:06 | #348 |
| 2016 | Steel Rail Half Marathon | — | 2:03:06 | #348 |
| 2015 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:44:17 | #587 |
| 2015 | DRC Half Marathon and 5KDallas | TX | 1:44:45 | #182 |
| 2015 | Monson Memorial Classic Half Marathon & 5KMonson | MA | 1:52:44 | #82 |
| 2015 | Sunset Strip Half Marathon | — | 2:08:31 | #522 |
| 2015 | Publix Atlanta Marathon, Half Marathon & 5KAtlanta | GA | 2:18:02 | #3081 |
| 2015 | Salt Lake City MarathonSalt Lake City | UT | 2:37:24 | #2496 |
| 2015 | Flying Pig Pump and RunCincinnati | OH | 2:55:46 | #9075 |
| 2014 | Steel Rail RacesAdams | MA | 1:47:09 | #157 |
| 2014 | Steel Rail Half Marathon | — | 1:47:09 | #155 |
| 2014 | The Notre Dame Holy HalfNotre Dame | IN | 1:47:30 | #245 |
| 2014 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:47:58 | #638 |
| 2014 | Monson Memorial Classic Half Marathon & 5KMonson | MA | 1:49:50 | #87 |
| 2014 | Monson Memorial Classic | — | 1:49:50 | #87 |
| 2014 | Dallas Marathon WeekendDallas | TX | 1:51:21 | #922 |
| 2014 | OC Marathon - Half Marathon - 5KNewport Beach | CA | 2:19:12 | #4376 |
| 2014 | OC Marathon | — | 2:19:12 | #4378 |
| 2013 | Monson Memorial Classic Half Marathon & 5KMonson | MA | 1:46:55 | #66 |
| 2013 | Tryptophan Half/10K/5KCumming | GA | 1:49:23 | #80 |
| 2013 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:52:17 | #1150 |
| 2013 | Marion Arts Festival Half MarathonMarion | IA | 2:15:22 | #404 |
| 2012 | Park To Park Half MarathonWaterloo | IA | 1:44:31 | #141 |
| 2012 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:44:56 | #475 |
| 2012 | Dallas Marathon WeekendDallas | TX | 1:46:14 | #550 |
| 2012 | 2026 - San Antonio MarathonSan Antonio | TX | 1:49:22 | #809 |
| 2012 | Monson Memorial Classic Half Marathon & 5KMonson | MA | 1:54:24 | #145 |
| 2012 | Rock 'n' Roll NashvilleNashville | TN | 2:38:10 | #13533 |
| 2011 | The Notre Dame Holy HalfNotre Dame | IN | 0:54:02 | #215 |
| 2011 | Monson Memorial Classic Half Marathon & 5KMonson | MA | 1:50:08 | #127 |
| 2011 | Monson Memorial Classic 5K & Half Marathon | — | 1:50:08 | #127 |
| 2011 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:52:25 | #753 |
| 2011 | Swanzey Covered Bridges Half MarathonSwanzey | NH | 1:53:37 | #70 |
| 2011 | Swanzey Covered Bridges | — | 1:53:37 | #70 |
| 2011 | Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbus | OH | 2:08:18 | #4450 |
| 2011 | Columbus MarathonColumbus | OH | 2:08:18 | #4451 |
| 2010 | DRC Half Marathon and 5KDallas | TX | 1:44:59 | #402 |
| 2010 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:45:31 | #444 |
| 2010 | Publix Atlanta Marathon, Half Marathon & 5KAtlanta | GA | 1:49:19 | #1359 |
| 2010 | Monson Memorial Classic Half Marathon & 5KMonson | MA | 1:50:50 | #125 |
| 2010 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:34:17 | #13533 |
| 2009 | Dallas Marathon WeekendDallas | TX | 1:45:21 | #783 |
| 2009 | Park To Park Half MarathonWaterloo | IA | 1:46:20 | #91 |
| 2009 | Publix Atlanta Marathon, Half Marathon & 5KAtlanta | GA | 1:46:39 | #1009 |
| 2009 | Cowtown Marathon, Half Marathon and Ultra MarathonFort Worth | TX | 1:54:50 | #949 |
| 2008 | Austin MarathonAustin | TX | 1:42:43 | #500 |
| 2008 | Run The ReaganSnellville | GA | 1:51:21 | #150 |
| 2008 | DRC Half Marathon and 5KDallas | TX | 1:55:17 | #867 |
| 2008 | Life Time Chicago Half Marathon + 5KChicago | IL | 2:02:47 | #3730 |
| 2008 | Long Beach MarathonLong Beach | CA | 2:18:12 | #3334 |
| 2008 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:42:19 | #2159 |
| 2007 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 1:50:13 | #1483 |
| 2007 | Winter Carnival Fire & Ice Winter RunSaint Paul | MN | 2:01:36 | #870 |
| 2007 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:08:25 | #6561 |
| 2006 | Capital City Half MarathonColumbus | OH | 1:56:41 | #1028 |
| 2006 | Columbus Distance Classic - | — | 1:56:41 | #1033 |
| 2005 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 1:42:10 | #682 |
| 2005 | Capital City Half MarathonColumbus | OH | 2:00:28 | #877 |
| 2005 | Capital City Half Marathon - | — | 2:00:28 | #879 |
| 2004 | Capital City Half MarathonColumbus | OH | 2:01:46 | #1199 |
| 2003 | Kentucky Derby Festival Race WeekendLouisville | KY | 2:01:52 | #2841 |
| 2002 | Kaiser Permanente San Francisco Half Marathon & 5KSan Francisco | CA | 1:44:49 | #800 |
| 2002 | Winter Carnival Fire & Ice Winter RunSaint Paul | MN | 1:50:14 | #466 |
| 2002 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 2:00:17 | #713 |
| 2001 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 1:43:11 | #603 |
| 1998 | Jack & Jill Marathon & HalfNorth Bend | WA | 1:57:16 | #758 |
| 1994 | Drake RelaysDes Moines | IA | 1:52:38 | #325 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
TXTexas
17 racesMAMassachusetts
15 racesCACalifornia
8 racesOHOhio
6 racesFLFlorida
5 racesGAGeorgia
5 racesIAIowa
4 racesMNMinnesota
4 racesNYNew York
2 racesPAPennsylvania
2 racesMDMaryland
1 raceUTUtah
1 raceWAWashington
1 raceCA-ONCA-ON
0 racesIDIdaho
0 racesNJNew Jersey
0 racesVAVirginia
0 races50-State Challenge
17/ 50 states
33 states to go