HalfRuns
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David Horn

MaleFlorida2000–2026

63

Total Finishes

36

Distinct Races

13

States (25%)

1:39:35

PR (7:36/mi)

2:12:58

Average

+0:00:26

Slower (first to last)

Medal House

2010

DONNA Marathon Weekend

1:41:55
#120 overall#92 gender
2009

Thanksgiving Distance Classic

1:41:14
#314 overall#256 gender
2008

NYRR Fred Lebow Half Marathon

1:58:14
#2642 overall#1938 gender
2007

31st Annual Tom King Classic Half Marathon Run and 5K Run/Walk

2:08:03
#702 overall#480 gender
2007

United Airlines NYC Half

2:26:06
#8663 overall#4778 gender
2007

NYCRUNS Brooklyn Ice Cream Social Half Marathon

2:29:31
#3231 overall#2035 gender
2006

Rock n Roll Nashville

2:26:37
#8298 overall#3948 gender
2005

Rock 'n' Roll Virgina Beach Half Marathon

2:04:49
#5213 overall#3322 gender
2005

B&A Trail Marathon and Half Marathon

2:32:03
#485 overall#284 gender
2002

Rock 'n' Roll New Orleans

2:43:51
#1483 overall#786 gender
2001

Seattle Marathon

1:46:35
#641 overall#493 gender
2000

Tucson Marathon

2:09:15
#740 overall#420 gender

Performance Timeline

PR 1:39:3520002001200220052005200620072007200720082009201020102011201120112011201120112011201220122012201220122012201220122012201320132013201320132014201420152015201520152015201520162016201620162017201720172018201820182018201820192019201920202022202320242025202520252026

Complete Race Log

YearRaceStateTimePlace
2026Livermore Half MarathonLivermoreCA2:09:41#902
2025Thanksgiving Day Half MarathonAtlantaGA2:02:23#2474
2025Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan FranciscoCA2:04:19#1998
2025Livermore Half MarathonLivermoreCA2:18:22#989
2024Thanksgiving Day Half MarathonAtlantaGA2:20:07#3007
2023Thanksgiving Day Half MarathonAtlantaGA1:58:19#1639
2022Thanksgiving Distance ClassicJacksonvilleFL2:05:22#357
2020Times-Union Half Marathon & 5KJacksonvilleFL2:00:36#92
2019USO Half Marathon and 5KJacksonvilleFL1:59:02#246
20193M Half MarathonAustinTX2:07:44#3071
2019Austin MarathonAustinTX2:11:55#3267
2018Thanksgiving Distance ClassicJacksonvilleFL1:54:01#418
2018USO Half Marathon and 5KJacksonvilleFL1:59:07#202
20183M Half MarathonAustinTX2:08:26#2458
2018Austin MarathonAustinTX2:14:49#3667
2018Decker Challenge and Brown Santa 5KAustinTX2:18:04#631
2017Thanksgiving Distance ClassicJacksonvilleFL1:47:35#224
2017Austin MarathonAustinTX2:25:31#3763
2017Space Coast Marathon & Half MarathonCocoaFL2:49:37#1871
2016Space Coast Marathon & Half MarathonCocoaFL2:13:37#763
2016Grandma's MarathonDuluthMN2:24:38#5077
2016Marin County Half MarathonSan RafaelCA2:26:47#411
2016Sarasota Music Half MarathonSaraotaFL2:50:51#1996
2015Thanksgiving Distance ClassicJacksonvilleFL1:39:35#186
2015Sarasota Music Half MarathonSaraotaFL1:54:14#221
2015Sarasota Half MarathonSarasotaFL1:55:41#473
2015Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartfordCT2:05:05#2441
2015Myakka River Half MarathonSarasotaFL2:13:01#161
2015Rock 'n' Roll Half Marathon San FranciscoSan FranciscoCA2:52:15#5683
2014Space Coast Marathon & Half MarathonCocoaFL1:55:18#273
2014Rock n Roll NashvilleNashvilleTN2:31:43#11434
2013The Giant RaceSan FranciscoCA1:56:14#1239
2013Florida Shamrock Halfathon and 5KSt PetersburgFL2:01:23#291
2013Gasparilla Distance Classic Race WeekendTampaFL2:10:14#1922
20132027 All Day Running Co. Clearwater Marathon & Running FestivalClearwaterFL2:14:54#307
2013Austin MarathonAustinTX2:31:18#6865
2012Thanksgiving Distance ClassicJacksonvilleFL1:48:49#514
20122027 All Day Running Co. Clearwater Marathon & Running FestivalClearwaterFL1:54:10#159
2012Gasparilla Distance Classic Race WeekendTampaFL2:00:44#1618
2012Space Coast Marathon & Half MarathonCocoaFL2:11:14#864
2012Florida Halloween Halfathon & 5k raceTierra VerdeFL2:17:23#348
2012Florida Holiday HalfathonKissimmeeFL2:17:36#424
2012Baltimore Running FestivalBaltimoreMD2:26:39#7181
2012Florida Shamrock Halfathon and 5KSt PetersburgFL2:32:52#490
2012Seven Sisters Trail RaceHadleyMA3:20:18#165
2011Florida Halloween Halfathon & 5k raceTierra VerdeFL1:53:02#115
2011Florida Holiday HalfathonKissimmeeFL1:53:21#173
20112027 All Day Running Co. Clearwater Marathon & Running FestivalClearwaterFL1:54:00#202
2011Florida Shamrock Halfathon and 5KSt PetersburgFL2:00:17#283
2011Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartfordCT2:13:08#3444
2011Sarasota Half MarathonSarasotaFL2:56:43#2000
2011Gasparilla Distance Classic Race WeekendTampaFL2:58:56#4556
2010DONNA Marathon WeekendJacksonville BeachFL1:41:55#120
2010Space Coast Marathon & Half MarathonCocoaFL2:06:08#609
2009Thanksgiving Distance ClassicJacksonvilleFL1:41:14#314
2008NYRR Fred Lebow Half MarathonNew YorkNY1:58:14#2642
200731st Annual Tom King Classic Half Marathon Run and 5K Run/WalkNashvilleTN2:08:03#702
2007United Airlines NYC HalfNew YorkNY2:26:06#8663
2007NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY2:29:31#3231
2006Rock n Roll NashvilleNashvilleTN2:26:37#8298
2005Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA2:04:49#5213
2005B&A Trail Marathon and Half MarathonSeverna ParkMD2:32:03#485
2002Rock 'n' Roll New OrleansNew OrleansLA2:43:51#1483
2001Seattle MarathonSeattleWA1:46:35#641
2000Tucson MarathonTucsonAZ2:09:15#740

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

FLFlorida
33 races
TXTexas
7 races
CACalifornia
6 races
GAGeorgia
3 races
NYNew York
3 races
TNTennessee
3 races
CTConnecticut
2 races
MDMaryland
2 races
AZArizona
1 race
LALouisiana
1 race
MNMinnesota
1 race
WAWashington
1 race
NJNew Jersey
0 races

50-State Challenge

13/ 51 states + DC

38 states to go