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SD
Sean Dillon
MaleMassachusetts2006–2026
47
Total Finishes
34
Different Races
13
States (26%)
1:20:37
PR (6:09/mi)
1:54:00
Average
+0:45:30
Slower (first to last)
Medal House
2011
Carlsbad Marathon
1:48:23
#919 overall#628 gender
2011
Tri-City Medical Center Carlsbad Marathon
1:48:23
#919 overall#629 gender
2011
Worcester Half Marathon
1:51:39
#238 overall#168 gender
2011
Monster Dash
1:56:53
#1772 overall#991 gender
2011
Westchester Medical Center Running Festival
1:59:42
#366 overall#238 gender
2011
The North Face® Endurance Challenge - New York
2:57:46
#322 overall#263 gender
2009
Less Popular Brooklyn Half Marathon
1:57:39
#4303 overall#3059 gender
2009
NYRR Fred Lebow Half Marathon
2:10:43
#3458 overall#2326 gender
2008
Less Popular Brooklyn Half Marathon
2:11:06
#4622 overall#2886 gender
2007
2025 500 Festival Running Events
1:24:50
#222 overall#210 gender
2007
OneAmerica 500 Festival Mini-Marathon -
1:24:50
#228 overall#215 gender
2006
Covenant Health Knoxville Marathon, Half Marathon, Relays, 5k and Kids Run
1:20:37
#19 overall#18 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Charlotte Craft Beer Half Marathon - Relay & 5 MilerCharlotte | NC | 1:48:39 | #209 |
| 2026 | Run Thru RestonReston | VA | 2:06:07 | #157 |
| 2025 | Baystate MarathonLowell | MA | 1:31:46 | #90 |
| 2025 | Run Thru RestonReston | VA | 2:00:03 | #55 |
| 2025 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 2:11:29 | #4117 |
| 2024 | Cambridge Half Marathon + 5KCambridge | MA | 1:31:39 | #583 |
| 2024 | JSRC RunAPaloozaAsbury Park | NJ | 1:56:35 | #632 |
| 2024 | Runapalooza Asbury ParkAsbury Park | NJ | 1:56:36 | #653 |
| 2024 | Frederick Running FestivalFrederick | MD | 1:59:28 | #785 |
| 2024 | Frederick Running FestivalFrederick | MD | 1:59:29 | #785 |
| 2023 | Cambridge Half Marathon + 5KCambridge | MA | 1:35:09 | #603 |
| 2023 | BoulderthonBoulder | CO | 1:43:25 | #316 |
| 2023 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 1:48:55 | #1394 |
| 2023 | Three Creeks Half MarathonEnglewood | CO | 1:57:55 | #89 |
| 2019 | Ipswich Ale Half MarathonIpswich | MA | 1:48:01 | #144 |
| 2018 | Ocean View Half Marathon & 5KIpswich | MA | 1:44:30 | #62 |
| 2018 | Slacker Half Marathon-Relay-4-Mile RacesGeorgetown | CO | 2:50:58 | #899 |
| 2016 | Yonkers MarathonYonkers | NY | 1:35:01 | #19 |
| 2016 | Hillbilly Half MarathonLeipers Fork | TN | 1:54:17 | #81 |
| 2016 | Slacker Half Marathon-Relay-4-Mile RacesGeorgetown | CO | 2:12:34 | #497 |
| 2015 | Yonkers MarathonYonkers | NY | 1:24:48 | #3 |
| 2015 | Slacker Half Marathon-Relay-4-Mile RacesGeorgetown | CO | 2:15:46 | #691 |
| 2014 | Carlsbad MarathonCarlsbad | CA | 1:43:19 | #618 |
| 2014 | Carlsbad Marathon | — | 1:43:19 | #618 |
| 2013 | UConn Health Half MarathonSimsbury | CT | 1:35:47 | #26 |
| 2013 | Quincy Half Marathon Revised | — | 1:50:54 | #288 |
| 2013 | Monster DashMinneapolis | MN | 2:12:32 | #3448 |
| 2012 | Green Stride Newburyport Half Marathon | — | 1:43:27 | #212 |
| 2012 | Newburyport Half Marathon and RelayNewburyport | MA | 1:43:28 | #210 |
| 2012 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 1:51:03 | #1510 |
| 2011 | Carlsbad MarathonCarlsbad | CA | 1:48:23 | #919 |
| 2011 | Tri-City Medical Center Carlsbad Marathon | — | 1:48:23 | #919 |
| 2011 | Worcester Half Marathon | — | 1:51:39 | #238 |
| 2011 | Monster DashMinneapolis | MN | 1:56:53 | #1772 |
| 2011 | Westchester Medical Center Running FestivalWhite Plains | NY | 1:59:42 | #366 |
| 2011 | The North Face® Endurance Challenge - New YorkBear Mountain | NY | 2:57:46 | #322 |
| 2009 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 1:57:39 | #4303 |
| 2009 | NYRR Fred Lebow Half MarathonNew York | NY | 2:10:43 | #3458 |
| 2008 | Less Popular Brooklyn Half MarathonBrooklyn | NY | 2:11:06 | #4622 |
| 2007 | 2025 500 Festival Running EventsIndianapolis | IN | 1:24:50 | #222 |
| 2007 | OneAmerica 500 Festival Mini-Marathon - | — | 1:24:50 | #228 |
| 2006 | Covenant Health Knoxville Marathon, Half Marathon, Relays, 5k and Kids RunKnoxville | TN | 1:20:37 | #19 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
7 racesMAMassachusetts
6 racesCOColorado
5 racesVAVirginia
4 racesTNTennessee
2 racesCACalifornia
2 racesMNMinnesota
2 racesNJNew Jersey
2 racesMDMaryland
2 racesINIndiana
1 raceILIllinois
1 raceCTConnecticut
1 raceNCNorth Carolina
1 race50-State Challenge
13/ 50 states
37 states to go