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MO
Michael O'Sullivan
MaleColorado1989–2025
38
Total Finishes
29
Different Races
10
States (20%)
1:22:44
PR (6:19/mi)
1:58:42
Average
-2:05:10
Faster (first to last)
Medal House
2014
Perth Half Marathon
1:41:25
#247 overall#209 gender
2013
Brooks Fremantle Running Festival
1:53:38
#419 overall#316 gender
2012
Kaiser Permanente Colfax Marathon
2:01:28
#1370 overall#772 gender
2012
Kaiser Permanente Colfax Marathon
2:01:28
#1358 overall#768 gender
2012
Life Time Chicago Half Marathon + 5K
2:23:02
#8430 overall#4283 gender
2009
NYCRUNS Brooklyn Ice Cream Social Half Marathon
2:11:25
#3625 overall#2359 gender
2008
United Airlines NYC Half
1:36:50
#801 overall#660 gender
2008
NYCRUNS Brooklyn Ice Cream Social Half Marathon
2:36:08
#2768 overall#1768 gender
2007
NYRR Fred Lebow Half Marathon
1:52:14
#1691 overall#1334 gender
2004
Buffalo Marathon Weekend
1:52:46
#224 overall#163 gender
2004
The Unforgettable Staten Island Half Marathon
1:58:54
#1765 overall#1348 gender
1989
Buffalo Marathon Weekend
3:53:51
#312 overall#291 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Parks Half MarathonRockville | MD | 1:39:24 | #121 |
| 2025 | Run Roanoke ResultsRoanoke | VA | 1:48:41 | #51 |
| 2025 | 2026 Chessie Trail Marathon, Half Marathon, 10K, 5K, & 26.2 RelayLexington | VA | 1:48:41 | #51 |
| 2024 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 1:34:56 | #40 |
| 2024 | Sprouts Mesa - Phoenix MarathonMesa | AZ | 2:59:24 | #2698 |
| 2022 | Philadelphia MarathonPhiladelphia | PA | 1:30:47 | #482 |
| 2022 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 1:34:35 | #35 |
| 2022 | Georgetown to Idaho Springs Half Marathon | — | 1:34:35 | #35 |
| 2022 | Platte River Half-Marathon, Relay & 5kLittleton | CO | 1:39:42 | #49 |
| 2022 | The Toyota Super Half Marathon™& Game Day 5K™Colorado Springs | CO | 1:44:26 | #88 |
| 2021 | Horsetooth Half Marathon - Presented by Fort Collins ConnexionFort Collins | CO | 1:47:39 | #292 |
| 2021 | Run SF "Golden Gate City" 5K/10K/13.1San Francisco | CA | 2:11:50 | #1816 |
| 2017 | IMT Des Moines MarathonDes Moines | IA | 1:53:57 | #821 |
| 2017 | Golden Gate HeadlandsStinson Beach | CA | 2:36:50 | #111 |
| 2016 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 1:22:44 | #14 |
| 2016 | Kaiser Permanente Colfax MarathonDenver | CO | 1:27:06 | #30 |
| 2016 | IMT Des Moines MarathonDes Moines | IA | 1:36:00 | #153 |
| 2016 | HBF Run for a ReasonPerth | WA | 1:51:25 | #867 |
| 2015 | HBF Run for a ReasonPerth | WA | 1:44:51 | #594 |
| 2015 | Charlottesville MarathonCharlottesville | VA | 1:53:04 | #158 |
| 2014 | Perth Half MarathonBurswood | WA | 1:41:25 | #247 |
| 2014 | Wamc Darlington Half MarathonBurswood | WA | 1:56:19 | #295 |
| 2014 | Surfer's Path MarathonSanta Cruz | CA | 2:19:50 | #862 |
| 2014 | Brazen Wildcat CanyonEl Sobrante | CA | 3:05:37 | #144 |
| 2013 | Brooks Fremantle Running FestivalFremantle | WA | 1:53:38 | #419 |
| 2012 | Kaiser Permanente Colfax MarathonDenver | CO | 2:01:28 | #1370 |
| 2012 | Kaiser Permanente Colfax Marathon | — | 2:01:28 | #1358 |
| 2012 | Life Time Chicago Half Marathon + 5KChicago | IL | 2:23:02 | #8430 |
| 2009 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:11:25 | #3625 |
| 2008 | United Airlines NYC HalfNew York | NY | 1:36:50 | #801 |
| 2008 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:36:08 | #2768 |
| 2007 | NYRR Fred Lebow Half MarathonNew York | NY | 1:52:14 | #1691 |
| 2004 | Buffalo Marathon WeekendBuffalo | NY | 1:52:46 | #224 |
| 2004 | The Unforgettable Staten Island Half MarathonStaten Island | NY | 1:58:54 | #1765 |
| 1989 | Buffalo Marathon WeekendBuffalo | NY | 3:53:51 | #312 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
7 racesCOColorado
7 racesWAWashington
5 racesCACalifornia
4 racesVAVirginia
3 racesIAIowa
2 racesMDMaryland
2 racesILIllinois
1 racePAPennsylvania
1 raceAZArizona
1 race50-State Challenge
10/ 50 states
40 states to go