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DM
David Mcmahon
MaleCalifornia1988–2026
55
Total Finishes
30
Distinct Races
14
States (27%)
1:27:57
PR (6:43/mi)
1:55:05
Average
-0:15:18
Faster (first to last)
Medal House
2011
La Jolla Half Marathon & 5K
1:31:46
#87 overall#82 gender
2009
Publix Atlanta Marathon, Half Marathon & 5K
1:50:05
#1432 overall#1064 gender
2009
Life Time Chicago Half Marathon + 5K
2:23:10
#9121 overall#4602 gender
2008
Carlsbad Marathon
1:28:22
#141 overall#119 gender
2008
Charlotte Marathon, Half, and 5K
1:50:48
#490 overall#359 gender
2007
Carlsbad Marathon
1:40:11
#480 overall#376 gender
2007
Rock ‘n’ Roll Philadelphia Half Marathon
2:14:49
#8630 overall#5055 gender
2006
2025 Aramco Houston Half Marathon Searchable Finish Line Video
2:27:15
#4598 overall#2574 gender
2005
Thanksgiving Day Half Marathon
2:16:58
#4138 overall#2542 gender
2002
Thanksgiving Day Half Marathon
1:47:53
#506 overall#374 gender
1990
Pikes Peak Ascent
4:19:06
#840 overall#701 gender
1988
Beer City Half™ San Diego
1:52:25
#2199 overall#2199 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Moonlight Beach Half MarathonEncinitas | CA | 1:37:07 | #100 |
| 2025 | Moonlight Beach Half MarathonEncinitas | CA | 1:34:55 | #59 |
| 2025 | Temecula Half Marathon, 10K, 5KTemecula | CA | 1:35:08 | #10 |
| 2025 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 1:36:08 | #140 |
| 2025 | Pacific Beach Half MarathonSan Diego | CA | 1:41:02 | #244 |
| 2025 | Mushroom Cap Half Marathon and FUNGI 5 Miler EventKennett Square | PA | 2:13:26 | #313 |
| 2024 | Pacific Beach Half MarathonSan Diego | CA | 1:31:55 | #67 |
| 2024 | Beer City Half™ San DiegoSan Diego | CA | 1:35:29 | #157 |
| 2024 | La Jolla Half Marathon & 5KSan Diego | CA | 1:35:47 | #96 |
| 2024 | Run SAN DIEGO 5K/10K/13.1San Diego | CA | 1:38:20 | #171 |
| 2024 | North Country RunManistee | MI | 1:54:12 | #14 |
| 2023 | Pacific Beach Half MarathonSan Diego | CA | 1:37:40 | #123 |
| 2023 | 2025 Aramco Houston Half Marathon Searchable Finish Line VideoHouston | TX | 1:52:35 | #2357 |
| 2022 | Pacific Beach Half MarathonSan Diego | CA | 1:31:43 | #62 |
| 2022 | Carlsbad MarathonCarlsbad | CA | 1:32:19 | #90 |
| 2022 | Super Hyak Marathon and HalfNorth Bend | WA | 2:36:30 | #360 |
| 2021 | La Jolla Half Marathon & 5KSan Diego | CA | 1:37:26 | #70 |
| 2021 | Beer City Half™ San DiegoSan Diego | CA | 1:41:42 | #200 |
| 2020 | Carlsbad MarathonCarlsbad | CA | 1:28:58 | #78 |
| 2020 | Too Cold to Hold 5K, 10K & Half MarathonDallas | TX | 2:07:41 | #197 |
| 2019 | Carlsbad MarathonCarlsbad | CA | 1:27:57 | #66 |
| 2018 | Carlsbad MarathonCarlsbad | CA | 1:29:17 | #65 |
| 2018 | La Jolla Half Marathon & 5KSan Diego | CA | 1:30:14 | #27 |
| 2018 | Del Dios Trail Half Marathon and 10KEscondido | CA | 1:38:18 | #10 |
| 2018 | Dallas Marathon WeekendDallas | TX | 2:15:50 | #3010 |
| 2018 | LONG ISLAND MARATHON FESTIVALEast Meadow | NY | 2:22:50 | #1488 |
| 2017 | Star Wars Half Marathon - The Dark SideLake Buena Vista | FL | 3:23:39 | #12528 |
| 2016 | McKenzie River Half MarathonEugene | OR | 1:30:53 | #7 |
| 2016 | Dallas Marathon WeekendDallas | TX | 2:06:52 | #2341 |
| 2015 | Ludington Lakestride Half Marathon 10K and 5kLudington | MI | 1:30:52 | #10 |
| 2015 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:01:43 | #12714 |
| 2015 | NYRR Fred Lebow Half MarathonNew York | NY | 2:03:35 | #2519 |
| 2015 | Chevron City to Surf for ActivBurswood | WA | 2:27:12 | #2565 |
| 2014 | Ludington Lakestride Half Marathon 10K and 5kLudington | MI | 1:30:52 | #10 |
| 2014 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:50:29 | #7024 |
| 2014 | Dallas Marathon WeekendDallas | TX | 2:07:48 | #2635 |
| 2014 | New Years DoubleAllen | TX | 2:12:59 | #241 |
| 2013 | The Mud Dogs 5K/10K/Half MarathonMount Pleasant | MI | 1:35:05 | #26 |
| 2013 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 1:55:30 | #1887 |
| 2013 | The Showdown Half Marathon and 5KFairview | TX | 2:16:17 | #246 |
| 2012 | TMC Get Moving Tucson Halloween WeekendTucson | AZ | 1:58:19 | #178 |
| 2012 | New Years DoubleAllen | TX | 2:19:14 | #165 |
| 2012 | The Showdown Half Marathon and 5KFairview | TX | 2:44:52 | #410 |
| 2011 | La Jolla Half Marathon & 5KSan Diego | CA | 1:31:46 | #87 |
| 2011 | Mid-Land Half MarathonMidland | MI | 1:35:08 | #34 |
| 2011 | Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford | CT | 1:57:27 | #1844 |
| 2011 | New Years DoubleAllen | TX | 2:18:04 | #82 |
| 2009 | Publix Atlanta Marathon, Half Marathon & 5KAtlanta | GA | 1:50:05 | #1432 |
| 2009 | Life Time Chicago Half Marathon + 5KChicago | IL | 2:23:10 | #9121 |
| 2008 | Carlsbad MarathonCarlsbad | CA | 1:28:22 | #141 |
| 2008 | Charlotte Marathon, Half, and 5KCharlotte | NC | 1:50:48 | #490 |
| 2007 | Carlsbad MarathonCarlsbad | CA | 1:40:11 | #480 |
| 2007 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:14:49 | #8630 |
| 2006 | 2025 Aramco Houston Half Marathon Searchable Finish Line VideoHouston | TX | 2:27:15 | #4598 |
| 2005 | Thanksgiving Day Half MarathonAtlanta | GA | 2:16:58 | #4138 |
| 2002 | Thanksgiving Day Half MarathonAtlanta | GA | 1:47:53 | #506 |
| 1990 | Pikes Peak AscentManitou Springs | CO | 4:19:06 | #840 |
| 1988 | Beer City Half™ San DiegoSan Diego | CA | 1:52:25 | #2199 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
23 racesTXTexas
11 racesMIMichigan
5 racesNYNew York
4 racesGAGeorgia
3 racesCTConnecticut
2 racesPAPennsylvania
2 racesWAWashington
2 racesAZArizona
1 raceCOColorado
1 raceFLFlorida
1 raceOROregon
1 raceDEDelaware
0 racesMAMassachusetts
0 races50-State Challenge
14/ 51 states + DC
37 states to go