HalfRuns
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David Neff

MaleIndiana2000–2026

56

Total Finishes

28

Distinct Races

15

States (29%)

1:22:56

PR (6:20/mi)

2:37:22

Average

+2:12:48

Slower (first to last)

Medal House

2008

Salt Lake City Marathon

2:18:52
#2426 overall#1133 gender
2008

2025 500 Festival Running Events

2:43:24
#19982 overall#11238 gender
2007

Kaiser Permanente San Francisco Half Marathon & 5K

2:13:31
#3411 overall#1998 gender
2007

2025 500 Festival Running Events

2:36:56
#18282 overall#10589 gender
2006

The LESS Popular Brooklyn Half Marathon!

2:17:09
#3303 overall#2085 gender
2006

2025 500 Festival Running Events

3:23:10
#24226 overall#12382 gender
2004

2025 500 Festival Running Events

2:45:12
#15748 overall#9441 gender
2003

2025 500 Festival Running Events

2:36:04
#13977 overall#8366 gender
2002

Liberty Waterfront Half Marathon and 5K Run

1:35:40
#233 overall#200 gender
2002

The LESS Popular Brooklyn Half Marathon!

1:37:47
#678 overall#599 gender
2001

Rock ‘n’ Roll Philadelphia Half Marathon

1:40:13
#1349 overall#1120 gender
2000

The Unforgettable Staten Island Half Marathon!

1:41:41
#686 overall#587 gender

Performance Timeline

PR 1:22:5620002001200220022003200420062006200720072008200820092009201020112012201220132013201420142014201420142015201520152016201720172017201820182018201820192019201920202021202120212022202220222022202320232023202320232024202420242024202420242025202520252026

Complete Race Log

YearRaceStateTimePlace
2026Groundhog Day MarathonWalkerMI3:54:29#223
2025La Jolla Half Marathon & 5KSan DiegoCA1:45:53#385
2025University of Michigan Health-West Grand Rapids MarathonGrand RapidsMI3:09:15#1667
2025Groundhog Day MarathonWalkerMI3:39:52#225
20242027 Walt Disney World® Marathon WeekendOrlandoFL2:18:47#15716
2024Groundhog Day MarathonWalkerMI2:51:54#237
20242026 Trinity Health Seaway RunMuskegonMI2:58:46#285
2024Mercy Health Seaway RunMuskegonMI2:58:46#285
2024Millennium Meadows MarathonGrand RapidsMI3:23:17#233
20242025 500 Festival Running EventsIndianapolisIN3:53:27#15318
2023Summer Splash Prairie Dog Half, 10k, & 5kCastle RockCO1:25:51#3
20232026 Trinity Health Seaway RunMuskegonMI3:00:02#245
2023Mercy Health Seaway RunMuskegonMI3:00:03#245
20232025 500 Festival Running EventsIndianapolisIN3:15:30#11794
2023Groundhog Day MarathonWalkerMI3:41:40#240
2022Painted Hills HalfMitchellOR1:46:29#4
20222025 500 Festival Running EventsIndianapolisIN3:13:32#11434
20222026 Trinity Health Seaway RunMuskegonMI3:22:26#223
2022Mercy Health Seaway RunMuskegonMI3:22:27#223
2021Portland MarathonPortlandOR1:33:35#108
20212026 Trinity Health Seaway RunMuskegonMI3:16:04#257
2021Mercy Health Seaway RunMuskegonMI3:16:05#257
20202027 Walt Disney World® Marathon WeekendOrlandoFL2:09:03#2166
2019The Nebraska HalfOmahaNE1:22:56#6
2019Rock n Roll NashvilleNashvilleTN1:55:41#1710
20192025 500 Festival Running EventsIndianapolisIN2:57:27#14137
2018Rock n Roll NashvilleNashvilleTN2:04:13#3182
2018Shamrock'n Half MarathonSacramentoCA2:08:33#1335
20182026 Superhero Half Marathon and RelayMorristownNJ2:09:03#354
20182025 500 Festival Running EventsIndianapolisIN2:48:33#13045
2017All-Out Fa La LaWestminsterCO1:38:06#18
2017Allianz Richmond Marathon, CarMax Richmond Half Marathon, & Richmond 8kRichmondVA1:58:34#2377
20172025 500 Festival Running EventsIndianapolisIN2:53:42#13533
2016Mystic Half Marathon & 10KMysticCT2:21:48#815
2015Rock n Roll NashvilleNashvilleTN1:54:41#1738
2015Surftown Half, 2-Person Relay & 5KWesterlyRI2:30:14#1198
20152025 500 Festival Running EventsIndianapolisIN2:46:54#15070
2014Rock n Roll NashvilleNashvilleTN1:59:14#3369
2014Philadelphia MarathonPhiladelphiaPA2:10:06#6538
2014Buffalo Marathon WeekendBuffaloNY2:36:37#2961
2014Santa Hustle GalvestonGalvestonTX2:38:48#971
20142025 500 Festival Running EventsIndianapolisIN3:14:38#21726
2013Life Time Chicago Half Marathon + 5KChicagoIL2:19:29#6277
20132025 500 Festival Running EventsIndianapolisIN3:04:54#24209
2012Shamrock MarathonVirginia BeachVA1:57:31#1939
20122025 500 Festival Running EventsIndianapolisIN2:57:30#22366
20112025 500 Festival Running EventsIndianapolisIN2:15:09#13367
20102025 500 Festival Running EventsIndianapolisIN2:25:48#17442
2009IMT Des Moines MarathonDes MoinesIA2:35:04#2396
20092025 500 Festival Running EventsIndianapolisIN2:38:13#19819
2008Salt Lake City MarathonSalt Lake CityUT2:18:52#2426
20082025 500 Festival Running EventsIndianapolisIN2:43:24#19982
2007Kaiser Permanente San Francisco Half Marathon & 5KSan FranciscoCA2:13:31#3411
20072025 500 Festival Running EventsIndianapolisIN2:36:56#18282
2006The LESS Popular Brooklyn Half Marathon!BrooklynNY2:17:09#3303
20062025 500 Festival Running EventsIndianapolisIN3:23:10#24226
20042025 500 Festival Running EventsIndianapolisIN2:45:12#15748
20032025 500 Festival Running EventsIndianapolisIN2:36:04#13977
2002Liberty Waterfront Half Marathon and 5K RunJersey CityNJ1:35:40#233
2002The LESS Popular Brooklyn Half Marathon!BrooklynNY1:37:47#678
2001Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:40:13#1349
2000The Unforgettable Staten Island Half Marathon!Staten IslandNY1:41:41#686

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

INIndiana
18 races
MIMichigan
14 races
NYNew York
4 races
TNTennessee
4 races
CACalifornia
3 races
COColorado
2 races
NJNew Jersey
2 races
OROregon
2 races
VAVirginia
2 races
CTConnecticut
1 race
IAIowa
1 race
ILIllinois
1 race
NENebraska
1 race
TXTexas
1 race
UTUtah
1 race

50-State Challenge

15/ 51 states + DC

36 states to go