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JO
James O'Callaghan
MaleWashington1985–2025
35
Total Finishes
18
Different Races
3
States (6%)
1:25:39
PR (6:32/mi)
1:50:07
Average
+0:31:22
Slower (first to last)
Medal House
2008
Dexter Ann Arbor Run
1:36:13
#208 overall#176 gender
2008
Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K
1:48:07
#166 overall#110 gender
2007
Martian Invasion of Races
1:36:57
#117 overall#107 gender
2007
LONG ISLAND MARATHON FESTIVAL
1:44:51
#450 overall#368 gender
2006
Martian Invasion of Races
1:41:41
#212 overall#177 gender
2006
Seattle Marathon: Summer Events
1:45:10
#506 overall#400 gender
2006
Mercer Island Rotary Half Marathon
1:49:26
#488 overall#372 gender
2006
Pinckney Trail Weekend
1:55:34
#192 overall#171 gender
2005
Dexter Ann Arbor Run
1:57:00
#909 overall#651 gender
2004
Dexter Ann Arbor Run
1:52:12
#849 overall#651 gender
1990
Dexter Ann Arbor Run
1:32:20
#267 overall#252 gender
1985
Dexter Ann Arbor Run
1:25:39
#147 overall#142 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Craft Classic SeattleRedmond | WA | 1:41:13 | #52 |
| 2025 | Sleepy Hollow Half MarathonSleepy Hollow | NY | 1:57:01 | #195 |
| 2022 | Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacoma | WA | 1:32:19 | #6 |
| 2022 | Michelob Ultra Tacoma Narrows Half Marathon | — | 1:32:19 | #6 |
| 2022 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 3:02:23 | #491 |
| 2019 | Brooks Lake Sammamish Half Marathon presented by REIRedmond | WA | 1:39:47 | #192 |
| 2019 | Seattle Marathon: Summer EventsSeattle | WA | 1:43:55 | #404 |
| 2019 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 2:20:03 | #694 |
| 2018 | Brooks Lake Sammamish Half Marathon presented by REIRedmond | WA | 1:41:35 | #225 |
| 2018 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 2:17:46 | #717 |
| 2018 | CHURCHILL'S HALF MARATHONPerrysburg | OH | 2:42:43 | #842 |
| 2017 | Mercer Island Rotary | — | 1:40:01 | #157 |
| 2017 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:55:57 | #336 |
| 2016 | Lake Sammamish Half | — | 1:38:40 | #183 |
| 2015 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:59:24 | #430 |
| 2014 | Brooks Lake Sammamish Half Marathon presented by REIRedmond | WA | 1:42:07 | #256 |
| 2014 | Lake Sammamish Half Marathon | — | 1:42:07 | #256 |
| 2013 | Brooks Lake Sammamish Half Marathon presented by REIRedmond | WA | 1:45:08 | #342 |
| 2013 | Lake Sammamish Half Marathon | — | 1:45:08 | #342 |
| 2012 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:39:46 | #121 |
| 2012 | Brooks Lake Sammamish Half Marathon presented by REIRedmond | WA | 1:42:36 | #124 |
| 2011 | Seattle Marathon: Summer EventsSeattle | WA | 1:48:17 | #867 |
| 2009 | Leavenworth MarathonLeavenworth | WA | 1:58:48 | #351 |
| 2008 | Dexter Ann Arbor RunDexter | MI | 1:36:13 | #208 |
| 2008 | Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacoma | WA | 1:48:07 | #166 |
| 2007 | Martian Invasion of RacesDearborn | MI | 1:36:57 | #117 |
| 2007 | LONG ISLAND MARATHON FESTIVALEast Meadow | NY | 1:44:51 | #450 |
| 2006 | Martian Invasion of RacesDearborn | MI | 1:41:41 | #212 |
| 2006 | Seattle Marathon: Summer EventsSeattle | WA | 1:45:10 | #506 |
| 2006 | Mercer Island Rotary Half MarathonMercer Island | WA | 1:49:26 | #488 |
| 2006 | Pinckney Trail WeekendPinckney | MI | 1:55:34 | #192 |
| 2005 | Dexter Ann Arbor RunDexter | MI | 1:57:00 | #909 |
| 2004 | Dexter Ann Arbor RunDexter | MI | 1:52:12 | #849 |
| 1990 | Dexter Ann Arbor RunDexter | MI | 1:32:20 | #267 |
| 1985 | Dexter Ann Arbor RunDexter | MI | 1:25:39 | #147 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MIMichigan
14 racesWAWashington
13 racesNYNew York
2 races50-State Challenge
3/ 50 states
47 states to go