HalfRuns
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Mark Henderson

MaleWashington19922025

91

Total Finishes

58

Distinct Races

23

States (45%)

1:24:36

PR (6:27/mi)

2:25:07

Average

+2:04:54

Slower (first to last)

Medal House

2003

Gobbler Grind Marathon, Half Marathon, 10K & 5K

1:59:35
#182 overall#116 gender
2003

2026 2XU Long Beach Marathon & Half Marathon

2:03:25
#869 overall#614 gender
2003

Dallas Marathon Weekend

3:08:11
#2204 overall#1176 gender
2002

Rock n Roll Nashville

1:56:20
#1205 overall#838 gender
2002

Kiawah Island Marathon

2:15:43
#1136 overall#569 gender
2001

Borgess Run For The Health Of It!

2:12:11
#479 overall#328 gender
2000

Boulder Rez Marathon

1:30:05
#63 overall#55 gender
2000

Kiawah Island Marathon

1:48:23
#352 overall#251 gender
1999

Dayton River Corridor Classic

1:52:13
#341 overall#267 gender
1998

Kentucky Derby Festival Race Weekend

1:50:37
#1999 overall#1705 gender
1996

Bidwell Classic 5K, 10k and Half Marathon March 7th, 2026

1:28:02
#30 overall#30 gender
1992

Dayton River Corridor Classic

1:34:56
#285 overall#261 gender

Performance Timeline

PR 1:24:3619921996199819992000200020012002200220032003200320032004200520062006200620062007200720072008200820082009201020102010201020112011201120112011201220122012201220132013201320142015201520152015201520152015201520162016201620172017201720172018201820182018201820182018201820192019201920192019201920192019201920192019201920192020202120212022202320232023202320232024202420242024202520252025

Complete Race Log

YearRaceStateTimePlace
2025REVEL Big CottonwoodSalt Lake CityUT2:34:21#2988
2025Bass Pro Shops Conservation MarathonSpringfieldMO3:03:37#1241
2025Oklahoma City Memorial MarathonOklahoma CityOK3:39:50#8087
2024REVEL Big CottonwoodSalt Lake CityUT2:23:29#2328
2024Oklahoma City Memorial MarathonOklahoma CityOK3:12:47#6289
2024The Betsy Farris Memorial RunColumbiaMO3:12:54#121
2024Betsy Farris Memorial RunColumbiaMO3:12:54#121
2023SEAWITCH RACING FESTIVAL WEEKEND (4th 1/2 MARATHON CLASSIC & 34th 5k Run & 1m Fright Walk)Lewes & RehobothDE2:10:23#67
20236TH SEAWITCH 1/2 MARATHON CLASSIC (SEAWITCH RACING FESTIVAL WEEKEND)LewesDE2:10:24#67
2023Bear Creek Run Half MarathonColumbiaMO3:18:21#178
2023Oklahoma City Memorial MarathonOklahoma CityOK3:28:25#5727
2023Hapalua Hawaii's Half MarathonHonoluluHI4:06:57#5716
20222026 Avenue of the Giants MarathonArcataCA2:11:43#297
2021Urban Cow Half MarathonSacramentoCA2:00:23#604
2021Beer City Half™ San DiegoSan DiegoCA2:10:53#823
2020Rain Run Half Marathonredmond WA3:12:46#390
2019Perth Half MarathonBurswoodWA2:02:59#176
2019East Haddam Community Lions April Fools RaceMoodusCT2:31:13#76
2019Fall City Half Marathon and 10KFall CityWA2:45:54#157
2019Labor Day Half MarathonRedmondWA2:47:38#679
2019The Snohomish River Run Marathon, Half Marathon, 10K and 5KSnohomishWA2:47:48#461
20192026 2XU Long Beach Marathon & Half MarathonLong BeachCA2:53:51#5177
2019Lake Washington Half MarathonKirklandWA2:56:40#582
2019Rain Run Half Marathonredmond WA2:58:53#372
2019Mercer Island Rotary Half MarathonMercer IslandWA3:00:08#1058
2019Beat The BlerchCarnationWA3:04:53#543
2019Kirkland Half Marathon & 5KKirklandWA3:05:45#443
20192025 500 Festival Running EventsIndianapolisIN3:25:45#16538
2019Bear Creek Run Half MarathonColumbiaMO3:35:16#199
2018Philadelphia MarathonPhiladelphiaPA2:06:54#4884
2018Rock 'n' Roll Las VegasLas VegasNV2:12:47#4398
2018Fall City Half Marathon and 10KFall CityWA2:39:47#190
2018Husky Cougar Rivalry RunWoodinvilleWA2:42:23#107
2018The Snohomish River Run Marathon, Half Marathon, 10K and 5KSnohomishWA2:42:42#530
2018Lake Washington Half MarathonKirklandWA2:45:59#498
2018Seattle MarathonSeattleWA2:51:54#2841
2018Mercer Island Rotary Half MarathonMercer IslandWA3:30:13#1205
2017The Snohomish River Run Marathon, Half Marathon, 10K and 5KSnohomishWA2:23:36#413
2017Labor Day Half MarathonRedmondWA2:24:38#566
2017Fall City Half Marathon and 10KFall CityWA2:28:44#200
2017Kirkland Half Marathon & 5KKirklandWA2:34:11#442
2016Perth Half MarathonBurswoodWA1:54:42#312
2016Chevron City to Surf for ActivBurswoodWA1:56:57#959
2016Fall City Half Marathon and 10KFall CityWA2:25:47#192
2015Ralston Creek Half Marathon & 5KArvadaCO1:30:41#23
2015B.A.A. Half MarathonBostonMA2:07:55#3778
2015Seattle MarathonSeattleWA2:24:50#3374
2015Bellingham Bay MarathonBellinghamWA2:26:08#888
2015Fall City Half Marathon and 10KFall CityWA2:29:12#242
2015Labor Day Half MarathonRedmondWA2:32:57#660
2015Race The LakeCooperstownNY2:49:12#177
2015Eugene Marathon 2024EugeneOR3:41:06#2133
2014Brooks Lake Sammamish Half Marathon presented by REIRedmondWA2:15:20#1155
2013Mercer Island Rotary Half MarathonMercer IslandWA2:03:46#1015
2013Kirkland Half Marathon & 5KKirklandWA2:28:54#617
2013Ben Moore Memorial Half MarathonAnnapolisMD2:31:02#133
2012Covered Bridges Half MarathonWoodstockVT1:31:32#61
2012Rock 'n' Roll Washington DCWashingtonDC1:49:18#2030
201247th Colonial Half Marathon and 5KWilliamsburgVA2:12:47#568
2012Race for a SoldierGig HarborWA2:50:57#774
2011Seacoast Half MarathonPortsmouthNH1:29:53#27
2011Covered Bridges Half MarathonWoodstockVT1:30:57#74
2011NYRR Fred Lebow Half MarathonNew YorkNY1:32:39#309
2011Lincoln Memorial Half MarathonSpringfieldIL2:11:33#749
2011Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenverCO2:20:30#5430
2010United Airlines NYC HalfNew YorkNY1:25:57#371
2010Seacoast Half MarathonPortsmouthNH1:34:47#54
2010Chicago Spring Half MarathonChicagoIL2:11:32#1466
201047th Colonial Half Marathon and 5KWilliamsburgVA2:12:24#558
2009Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbusOH2:22:11#5184
2008The Unforgettable Staten Island Half Marathon!Staten IslandNY1:40:14#555
20082026 Humboldt Redwoods Marathon, Half Marathon, 5KWeottCA1:56:03#196
2008Bidwell Classic 5K, 10k and Half Marathon March 7th, 2026ChicoCA2:15:12#306
2007The Unforgettable Staten Island Half Marathon!Staten IslandNY1:26:50#97
2007United Airlines NYC HalfNew YorkNY1:34:22#662
2007Maine Marathon, Half Marathon and Marathon RelayPortlandME2:29:05#1155
2006UTHealth Houston Half Marathon & 10KHoustonTX1:24:36#34
2006United Airlines NYC HalfNew YorkNY1:37:12#814
2006Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids RunColumbusOH2:14:02#1494
2006Topeka To Auburn Half MarathonTopekaKS2:19:29#221
2005Kiawah Island MarathonKiawah IslandSC2:22:59#1462
20042026 2XU Long Beach Marathon & Half MarathonLong BeachCA1:47:06#437
2003Gobbler Grind Marathon, Half Marathon, 10K & 5KOverland ParkKS1:59:35#182
20032026 2XU Long Beach Marathon & Half MarathonLong BeachCA2:03:25#869
2003Dallas Marathon WeekendDallasTX3:08:11#2204
2003Pikes Peak AscentManitou SpringsCO3:13:57#95
2002Rock n Roll NashvilleNashvilleTN1:56:20#1205
2002Kiawah Island MarathonKiawah IslandSC2:15:43#1136
2001Borgess Run For The Health Of It!KalamazooMI2:12:11#479
2000Boulder Rez MarathonBoulderCO1:30:05#63
2000Kiawah Island MarathonKiawah IslandSC1:48:23#352
1999Dayton River Corridor ClassicDaytonOH1:52:13#341
1998Kentucky Derby Festival Race WeekendLouisvilleKY1:50:37#1999
1996Bidwell Classic 5K, 10k and Half Marathon March 7th, 2026ChicoCA1:28:02#30
1992Dayton River Corridor ClassicDaytonOH1:34:56#285

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

WAWashington
31 races
CACalifornia
9 races
NYNew York
7 races
MOMissouri
5 races
COColorado
4 races
OHOhio
4 races
OKOklahoma
3 races
SCSouth Carolina
3 races
DEDelaware
2 races
ILIllinois
2 races
NHNew Hampshire
2 races
TXTexas
2 races
UTUtah
2 races
VAVirginia
2 races
CTConnecticut
1 race
INIndiana
1 race
KYKentucky
1 race
MAMassachusetts
1 race
MDMaryland
1 race
MEMaine
1 race
MIMichigan
1 race
NVNevada
1 race
OROregon
1 race

50-State Challenge

23/ 51 states + DC

28 states to go