HalfRuns
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Michael Duff

MaleKansas1982–2025

36

Total Finishes

25

Different Races

11

States (22%)

1:33:53

PR (7:10/mi)

2:03:59

Average

+0:35:04

Slower (first to last)

Medal House

2012

Rock The Parkway Half Marathon and 5k

1:47:55
#514 overall#374 gender
2012

Kansas Half Marathon

1:48:28
#269 overall#207 gender
2011

2026 Fall Prairie Fire Marathon presented by Davis-Moore Automotive Group

1:44:12
#153 overall#114 gender
2011

Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K

1:46:02
#764 overall#580 gender
2011

Rock The Parkway Half Marathon and 5k

1:47:34
#477 overall#361 gender
2010

Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K

1:57:11
#1490 overall#971 gender
2009

Marin County Half Marathon

1:51:42
#79 overall#55 gender
2009

Eversource Hartford Marathon, Half Marathon, Relay & Charity 5K

2:05:23
#1866 overall#1131 gender
2006

Run SF "Golden Gate City" 5K/10K/13.1

2:03:05
#839 overall#546 gender
1999

2025 500 Festival Running Events

3:03:49
#14327 overall#8431 gender
1985

Hospital Hill Run

1:33:53
#373 overall#357 gender
1982

DEXTER-ANN ARBOR RUN

1:49:01
#948 overall#875 gender

Performance Timeline

PR 1:32:5419821985199920062009200920102011201120112012201220122012201320132014201420152015201520152016201620162019202020202021202120212021202220222023202420252025

Complete Race Log

YearRaceStateTimePlace
2025Hogsback Half MarathonColebrookCT1:46:55#33
2025Presidio 10 RaceSan FranciscoCA2:24:05#916
2024Tree House Half MarathonSouth DeerfieldMA1:40:26#195
2023Tree House Half MarathonSouth DeerfieldMA1:43:41#190
2022BRB - Back Roads Bound Half MarathonWhite LakeMI2:03:30#27
2022Life Time Chicago Half Marathon + 5KChicagoIL2:37:08#6226
2021The LESS Popular Brooklyn Half Marathon!BrooklynNY1:54:44#2090
2021United Airlines NYC HalfNew YorkNY1:56:23#3988
2021Sleeping Bear Marathon, Half Marathon & 5KEmpireMI1:59:24#163
2021Run White LakeWhite LakeMI2:12:13#32
2020The LESS Popular Brooklyn Half Marathon!BrooklynNY1:34:31#441
2020United Airlines NYC HalfNew YorkNY1:34:40#156
2019NYRR Virtual Halfway There 13.1MAnywhereNY1:32:54#311
2016Rock The Parkway Half Marathon and 5kKansas CityMO2:16:16#2778
2016Maine Coast Marathon & Half MarathonBiddefordME2:34:03#1044
2016Pumpkinman Triathlon FestivalSouth BerwickME3:34:53#107
2015Boston's Run To RememberBostonMA2:09:16#4012
2015B.A.A. Half MarathonBostonMA2:11:35#4202
2015Rock The Parkway Half Marathon and 5kKansas CityMO2:17:16#3140
2015Bill Snyder Highway HalfManhattanKS2:26:26#820
2014Rock The Parkway Half Marathon and 5kKansas CityMO1:46:50#463
2014B.A.A. Half MarathonBostonMA2:12:33#4247
2013Rock The Parkway Half Marathon and 5kKansas CityMO1:38:23#230
2013IMT Des Moines MarathonDes MoinesIA2:06:26#2303
2012Rock The Parkway Half Marathon and 5kKansas CityMO1:47:55#514
2012Kansas Half MarathonLawrenceKS1:48:28#269
2012Running With The Cows Half Marathon & 5KBucyrusKS1:49:06#175
2012Union Hospital Run for HomeNew PhiladelphiaOH2:43:27#347
20112026 Fall Prairie Fire Marathon presented by Davis-Moore Automotive GroupWichitaKS1:44:12#153
2011Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartfordCT1:46:02#764
2011Rock The Parkway Half Marathon and 5kKansas CityMO1:47:34#477
2010Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartfordCT1:57:11#1490
2009Marin County Half MarathonSan RafaelCA1:51:42#79
2009Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartfordCT2:05:23#1866
2006Run SF "Golden Gate City" 5K/10K/13.1San FranciscoCA2:03:05#839
19992025 500 Festival Running EventsIndianapolisIN3:03:49#14327
1985Hospital Hill RunKansas CityMO1:33:53#373
1982DEXTER-ANN ARBOR RUNDexterMI1:49:01#948

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

MOMissouri
7 races
MAMassachusetts
5 races
NYNew York
5 races
CTConnecticut
4 races
KSKansas
4 races
MIMichigan
4 races
CACalifornia
3 races
IAIowa
1 race
ILIllinois
1 race
INIndiana
1 race
OHOhio
1 race

50-State Challenge

11/ 51 states + DC

40 states to go