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CD
Colleen Dahlem
FemaleMaryland2011–2025
46
Total Finishes
19
Different Races
6
States (12%)
1:41:53
PR (7:47/mi)
1:53:41
Average
-0:10:39
Faster (first to last)
Medal House
2014
Navy Air Force Half Marathon & Navy 5-Miler
1:46:03
#607 overall#148 gender
2014
2026 National Women's Half Marathon and 8K
1:46:11
#670 overall#611 gender
2014
Annapolis Running Classic
1:47:47
#372 overall#97 gender
2014
Shamrock Marathon
1:48:32
#1057 overall#332 gender
2013
Rockfest Half Marathon
1:46:14
#435 overall#143 gender
2013
Annapolis Running Classic
1:50:56
#403 overall#124 gender
2013
2026 National Women's Half Marathon and 8K
1:58:26
#2345 overall#2189 gender
2012
Gar Williams Half Marathon
1:50:58
#63 overall#15 gender
2012
Parks Half Marathon
1:51:32
#653 overall#163 gender
2012
Flying Pirate Half Marathon
1:52:37
#259 overall#76 gender
2012
Seacoast Half Marathon
1:53:32
#318 overall
2011
Outer Banks Marathon
2:15:43
#1373 overall#706 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 2:05:04 | #90 |
| 2024 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 1:47:44 | #1360 |
| 2024 | Rehoboth Seashore Marathon and Half MarathonRehoboth Beach | DE | 1:47:57 | #325 |
| 2024 | Parks Half MarathonRockville | MD | 1:49:50 | #278 |
| 2024 | Shamrock MarathonVirginia Beach | VA | 1:56:30 | #1145 |
| 2024 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 2:04:36 | #185 |
| 2022 | Parks Half MarathonRockville | MD | 1:53:55 | #272 |
| 2022 | Rehoboth Seashore Marathon and Half MarathonRehoboth Beach | DE | 1:56:51 | #476 |
| 2022 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 2:08:19 | #132 |
| 2021 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 1:52:02 | #75 |
| 2021 | Rehoboth Seashore Marathon and Half MarathonRehoboth Beach | DE | 2:00:48 | #562 |
| 2019 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 1:49:03 | #1421 |
| 2019 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 1:58:09 | #154 |
| 2019 | Run Oak IslandOak Island | NC | 2:23:48 | #353 |
| 2018 | Rehoboth Seashore Marathon and Half MarathonRehoboth Beach | DE | 1:46:48 | #249 |
| 2018 | Shamrock MarathonVirginia Beach | VA | 1:47:04 | #639 |
| 2018 | Parks Half MarathonRockville | MD | 1:54:39 | #407 |
| 2018 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 1:57:04 | #121 |
| 2017 | Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Capital One Richmond 8kRichmond | VA | 1:41:53 | #656 |
| 2017 | Annapolis Running ClassicAnnapolis | MD | 1:45:16 | #186 |
| 2017 | Parks Half MarathonRockville | MD | 1:45:30 | #318 |
| 2017 | Rock 'n' Roll Washington DCWashington | DC | 1:46:49 | #1393 |
| 2017 | Rehoboth Seashore Marathon and Half MarathonRehoboth Beach | DE | 1:46:55 | #282 |
| 2017 | Tobacco Road MarathonCary | NC | 1:46:57 | #327 |
| 2017 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 2:02:18 | #195 |
| 2017 | Gar Williams Half MarathonPotomac | MD | 2:02:30 | #232 |
| 2016 | Love Run Half MarathonPhiladelphia | PA | 1:44:19 | #653 |
| 2016 | Rock 'n' Roll Washington DCWashington | DC | 1:49:17 | #1912 |
| 2016 | Annapolis Running ClassicAnnapolis | MD | 1:50:19 | #381 |
| 2016 | Shipyard Old Port Half MarathonPortland | ME | 1:54:00 | #865 |
| 2016 | Navy Air Force Half Marathon & Navy 5-MilerWashington | DC | 1:58:04 | #1189 |
| 2016 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 2:03:14 | #169 |
| 2015 | 2027 All Day Running Co. Clearwater Marathon & Running FestivalClearwater | FL | 1:50:09 | #99 |
| 2015 | Navy Air Force Half Marathon & Navy 5-MilerWashington | DC | 1:50:28 | #911 |
| 2015 | Rock 'n' Roll Washington DCWashington | DC | 1:52:27 | #2395 |
| 2014 | Navy Air Force Half Marathon & Navy 5-MilerWashington | DC | 1:46:03 | #607 |
| 2014 | 2026 National Women's Half Marathon and 8KWashington | DC | 1:46:11 | #670 |
| 2014 | Annapolis Running ClassicAnnapolis | MD | 1:47:47 | #372 |
| 2014 | Shamrock MarathonVirginia Beach | VA | 1:48:32 | #1057 |
| 2014 | MCRRC Riley's Rumble Half MarathonBoyds | MD | 1:55:20 | #123 |
| 2013 | Rockfest Half MarathonHampton Beach | NH | 1:46:14 | #435 |
| 2013 | Annapolis Running ClassicAnnapolis | MD | 1:50:56 | #403 |
| 2013 | 2026 National Women's Half Marathon and 8KWashington | DC | 1:58:26 | #2345 |
| 2012 | Gar Williams Half MarathonPotomac | MD | 1:50:58 | #63 |
| 2012 | Parks Half MarathonRockville | MD | 1:51:32 | #653 |
| 2012 | Flying Pirate Half MarathonKill Devil Hills | NC | 1:52:37 | #259 |
| 2012 | Seacoast Half MarathonPortsmouth | NH | 1:53:32 | #318 |
| 2011 | Outer Banks MarathonManteo | NC | 2:15:43 | #1373 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MDMaryland
20 racesDCDistrict of Columbia
8 racesVAVirginia
6 racesDEDelaware
5 racesMEMaine
1 racePAPennsylvania
1 race50-State Challenge
6/ 51 states + DC
45 states to go