HalfRuns
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William Mason

MaleNew York1992–2025

60

Total Finishes

31

Distinct Races

10

States (20%)

1:38:00

PR (7:29/mi)

2:18:04

Average

-0:30:25

Faster (first to last)

Medal House

2010

Shamrock Marathon

2:15:26
#3373 overall#1707 gender
2009

Urban Cow Half Marathon

2:20:04
#1727 overall#838 gender
2009

Shamrock Marathon

2:29:21
#4548 overall#2223 gender
2009

Rock 'n' Roll Arizona Marathon

2:43:54
#14663 overall#6361 gender
2009

Avenue Of The Vines

2:44:02
#351 overall#152 gender
2007

Healthy Human Race

1:49:54
#193 overall#138 gender
2005

Rock 'n' Roll Arizona Marathon

2:24:02
#7849 overall#3818 gender
2005

Seattle Marathon

2:27:48
#4491 overall#2087 gender
2001

Rock 'n' Roll Virgina Beach Half Marathon

3:00:32
#9936 overall#4658 gender
1999

Covered Bridges Half Marathon

1:38:13
#275 overall#251 gender
1998

2025 500 Festival Running Events

1:46:32
#2680 overall#2333 gender
1992

47th Colonial Half Marathon and 5K

2:30:18
#1549 overall#1230 gender

Performance Timeline

PR 1:38:00199219981999200120052005200720092009200920092010201020102011201120112011201120122012201220132014201420142014201520152015201520152015201520162016201620162016201720172017201720182018201820192019201920192020202120222022202220222023202320232023202320242024202420252025

Complete Race Log

YearRaceStateTimePlace
2025Good Life HalfsyLincolnNE1:55:32#1950
2025NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY1:59:53#9303
2024United Airlines NYC HalfNew YorkNY1:50:53#7652
2024The LESS Popular Brooklyn Half Marathon!BrooklynNY1:51:13#8294
2024NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY1:51:47#4696
2023The LESS Popular Brooklyn Half Marathon!BrooklynNY1:44:44#4993
2023Run SAN DIEGO 5K/10K/13.1San DiegoCA1:46:14#530
2023NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklynNY1:48:00#2136
2023United Airlines NYC HalfNew YorkNY1:48:36#5727
2023Publix Florida MarathonMelbourneFL2:10:05#315
202218th Annual F^3 Lake Half Marathon & 5kChicagoIL1:56:41#416
2022Publix Florida MarathonMelbourneFL2:08:40#250
2022Run SAN DIEGO 5K/10K/13.1San DiegoCA2:13:59#1908
2022Space Coast Marathon & Half MarathonCocoaFL2:20:49#455
2021Publix Florida MarathonMelbourneFL2:17:26#319
2020Milwaukee MarathonMilwaukeeWI1:38:00#50
2019Rock 'n' Roll Chicago Half MarathonChicagoIL1:41:46#473
2019United Airlines NYC HalfNew YorkNY1:46:22#4831
2019The LESS Popular Brooklyn Half Marathon!BrooklynNY1:49:03#6522
2019Quarry TurkeyFremontCA2:38:38#140
2018The LESS Popular Brooklyn Half Marathon!BrooklynNY1:44:32#4693
2018United Airlines NYC HalfNew YorkNY1:47:11#4327
2018Star Wars Half Marathon - The Dark SideLake Buena VistaFL3:06:19#9133
2017The LESS Popular Brooklyn Half Marathon!BrooklynNY1:43:50#4523
2017United Airlines NYC HalfNew YorkNY1:50:24#4943
2017Life Time Chicago Half Marathon + 5KChicagoIL2:19:54#3596
20172026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA3:24:24#6002
2016The LESS Popular Brooklyn Half Marathon!BrooklynNY1:45:05#4684
2016The Unforgettable Staten Island Half Marathon!Staten IslandNY1:46:45#2268
2016Chi Town Half Marathon & 10KChicagoIL2:15:55#1349
20162026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA2:50:23#6640
20162026 Disney Wine & Dine Half Marathon WeekendOrlandoFL2:55:43#6537
2015The LESS Popular Brooklyn Half Marathon!BrooklynNY1:48:15#5746
2015Monterey Bay Half MarathonMontereyCA1:48:30#788
2015The Unforgettable Staten Island Half Marathon!Staten IslandNY1:51:24#2252
2015AmeriHealth Atlantic City Marathon, Half Marathon, 10K & G. Larry James 5KAtlantic CityNJ2:50:11#927
20152027 Walt Disney World® Marathon WeekendOrlandoFL3:04:13#14918
20152026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA3:06:11#9623
20152025 500 Festival Running EventsIndianapolisIN3:22:17#19148
2014The LESS Popular Brooklyn Half Marathon!BrooklynNY1:54:51#9286
2014Grandma's MarathonDuluthMN2:53:13#6946
20142026 Disneyland® Half Marathon Weekend presented by HONDAAnaheimCA2:58:40#9553
20142026 Disney Wine & Dine Half Marathon WeekendOrlandoFL3:07:28#7891
20132026 Disney Wine & Dine Half Marathon WeekendOrlandoFL3:06:30#8689
2012San Juan Island HalfFriday HarborWA2:49:45#83
20122026 Disney Wine & Dine Half Marathon WeekendOrlandoFL3:02:11#8518
2012Monterey Bay Half MarathonMontereyCA3:16:50#6481
2011Rock 'n' Roll Las VegasLas VegasNV2:17:28#11938
20112027 Walt Disney World® Marathon WeekendOrlandoFL2:30:36#10267
20112026 Disney Wine & Dine Half Marathon WeekendOrlandoFL2:34:24#4246
2011Bellingham Bay MarathonBellinghamWA2:45:25#1398
2011San Juan Island HalfFriday HarborWA2:49:45#96
2010Shamrock MarathonVirginia BeachVA2:15:26#3373
2010Shamrock'n Half MarathonSacramentoCA2:37:28#3199
2010American River Parkway Half MarathonSacramentoCA2:41:40#2242
2009Urban Cow Half MarathonSacramentoCA2:20:04#1727
2009Shamrock MarathonVirginia BeachVA2:29:21#4548
2009Rock 'n' Roll Arizona MarathonPhoenixAZ2:43:54#14663
2009Avenue Of The VinesLodiCA2:44:02#351
2007Healthy Human RaceRochesterMN1:49:54#193
2005Rock 'n' Roll Arizona MarathonPhoenixAZ2:24:02#7849
2005Seattle MarathonSeattleWA2:27:48#4491
2001Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA3:00:32#9936
1999Covered Bridges Half MarathonWoodstockVT1:38:13#275
19982025 500 Festival Running EventsIndianapolisIN1:46:32#2680
199247th Colonial Half Marathon and 5KWilliamsburgVA2:30:18#1549

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

NYNew York
18 races
CACalifornia
13 races
FLFlorida
12 races
ILIllinois
4 races
VAVirginia
4 races
WAWashington
4 races
INIndiana
2 races
MNMinnesota
2 races
NENebraska
1 race
NJNew Jersey
1 race

50-State Challenge

10/ 51 states + DC

41 states to go