HalfRuns
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David Ahn

MaleCalifornia2006–2026

48

Total Finishes

28

Different Races

9

States (18%)

1:23:25

PR (6:22/mi)

2:02:46

Average

-0:37:33

Faster (first to last)

Medal House

2009

Kaiser Permanente San Francisco Half Marathon & 5K

1:41:33
#869 overall#707 gender
2008

NYRR Fred Lebow Half Marathon

1:53:14
#2137 overall#1623 gender
2008

Celebrate Life Half Marathon

1:56:50
#129 overall#98 gender
2007

The Unforgettable Staten Island Half Marathon!

1:54:30
#1372 overall#1073 gender
2007

Yonkers Marathon

1:56:27
#110 overall#93 gender
2007

NYCRUNS Brooklyn Ice Cream Social Half Marathon

1:56:35
#1582 overall#1224 gender
2007

Rock 'n' Roll Virgina Beach Half Marathon

1:58:06
#3812 overall#2708 gender
2007

Celebrate Life Half Marathon

1:59:35
#160 overall#130 gender
2007

NYRR Fred Lebow Half Marathon

2:01:50
#2587 overall#1874 gender
2007

The LESS Popular Brooklyn Half Marathon!

2:02:00
#2909 overall#2070 gender
2006

United Airlines NYC Half

2:03:57
#5676 overall#3645 gender
2006

The LESS Popular Brooklyn Half Marathon!

2:11:18
#3020 overall#1975 gender

Performance Timeline

PR 1:23:2520062006200720072007200720072007200720082008200920092009200920102010201020102011201520152015201620172017201820192019201920192019201920202020202120222022202320232023202320232023202420242024202520252026

Complete Race Log

YearRaceStateTimePlace
2026Surf City MarathonHuntington BeachCA1:26:24#128
2025Rock 'n' Roll Washington DCWashingtonDC2:25:31#8539
2025Charlie Horse Half MarathonMohntonPA4:01:28#102
2024United Airlines NYC HalfNew YorkNY1:38:53#3360
2024NYRR Fred Lebow Half MarathonNew YorkNY1:48:24#1002
2024The LESS Popular Brooklyn Half Marathon!BrooklynNY2:31:15#23308
2023Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:31:53#271
2023Berkeley Half MarathonBerkeleyCA1:38:41#259
2023The Unforgettable Staten Island Half Marathon!Staten IslandNY1:39:03#1334
2023Hapalua Hawaii's Half MarathonHonoluluHI2:06:08#1245
2023Rock 'n' Roll Washington DCWashingtonDC2:06:16#4618
2023Love Run Half MarathonPhiladelphiaPA2:14:07#3442
2022Davis Turkey TrotDavisCA1:34:07#19
2022Mercer County Half Marathon & 5kTrentonNJ3:04:31#248
2021Dallas Marathon WeekendDallasTX2:07:30#90
2020Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:23:25#116
2020Irving MarathonIrvingTX2:14:54#127
2019Urban Cow Half MarathonSacramentoCA1:29:19#153
2019Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:32:01#279
2019Rocky RunPhiladelphiaPA2:00:05#624
2019Irving MarathonIrvingTX2:01:45#208
20192026 - San Antonio MarathonSan AntonioTX2:07:50#2008
2019Charlie Horse Half MarathonMohntonPA3:44:58#183
2018Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:29:05#236
2017Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:25:34#143
2017Charlie Horse Half MarathonMohntonPA3:21:30#192
20161/2 Sauer 1/2 KrautPhiladelphiaPA2:48:19#369
2015Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:24:13#130
2015Oakland Running FestivalOaklandCA1:24:42#23
2015Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA1:26:10#90
2011North Face Endurance Challenge - ChampionshipsSan FranciscoCA2:09:40#115
2010Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:43:00#933
20102027 Walt Disney World® Marathon WeekendOrlandoFL1:59:35#2313
2010Flying Pig Pump and RunCincinnatiOH2:06:48#2497
2010NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY2:18:04#2331
2009Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA1:41:33#869
2009NYRR Fred Lebow Half MarathonNew YorkNY1:56:19#2279
2009Rock 'n' Roll San JoseSan JoseCA1:56:28#2447
2009Celebrate Life Half MarathonRock HillNY2:01:13#268
2008NYRR Fred Lebow Half MarathonNew YorkNY1:53:14#2137
2008Celebrate Life Half MarathonRock HillNY1:56:50#129
2007The Unforgettable Staten Island Half Marathon!Staten IslandNY1:54:30#1372
2007Yonkers MarathonYonkersNY1:56:27#110
2007NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY1:56:35#1582
2007Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA1:58:06#3812
2007Celebrate Life Half MarathonRock HillNY1:59:35#160
2007NYRR Fred Lebow Half MarathonNew YorkNY2:01:50#2587
2007The LESS Popular Brooklyn Half Marathon!BrooklynNY2:02:00#2909
2006United Airlines NYC HalfNew YorkNY2:03:57#5676
2006The LESS Popular Brooklyn Half Marathon!BrooklynNY2:11:18#3020

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

NYNew York
17 races
CACalifornia
16 races
PAPennsylvania
6 races
TXTexas
4 races
DCDistrict of Columbia
2 races
HIHawaii
1 race
NJNew Jersey
1 race
OHOhio
1 race
VAVirginia
1 race

50-State Challenge

9/ 51 states + DC

42 states to go