HalfRuns
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David Shafer

MalePennsylvania1995–2026

44

Total Finishes

31

Different Races

13

States (26%)

1:33:01

PR (7:06/mi)

2:18:44

Average

-0:03:26

Faster (first to last)

Medal House

2010

Race to Robie Creek®

1:45:27
#99 overall#95 gender
2010

Rock ‘n’ Roll Philadelphia Half Marathon

2:03:13
#3906 overall#3906 gender
2010

2027 WALT DISNEY WORLD® Marathon Weekend presented by State Farm® With A Running Passion

2:22:05
#6068 overall#3621 gender
2010

Rock 'n' Roll Virgina Beach Half Marathon

3:33:52
#14167 overall#6284 gender
2007

Race to Robie Creek®

1:35:40
#54 overall#53 gender
2007

The Towpath Marathon

2:21:26
#543 overall#303 gender
2006

Greater St. Louis Marathon

3:12:00
#5514 overall#2374 gender
2005

Greater St. Louis Marathon

3:05:35
#3873 overall#1666 gender
2001

Race to Robie Creek®

1:33:01
#38 overall#38 gender
1997

2026 Desert Classic Half Marathon & 5K January 24, 2026

1:48:43
#95 overall#81 gender
1997

2025 500 Festival Running Events

2:01:01
#5272 overall#4237 gender
1995

2025 500 Festival Running Events

2:02:11
#4911 overall#4099 gender

Performance Timeline

PR 1:33:011995199719972001200520062007200720102010201020102011201120112011201120112011201120112011201220122013201320132013201320142014201520162017201720182018201820192019202120232026

Complete Race Log

YearRaceStateTimePlace
2026Coastal Delaware Running FestivalRehoboth BeachDE1:58:45#455
2023Deuces Wild Triathlon FestivalShow LowAZ2:16:53#19
2021Aspen Backcountry MarathonAspenCO3:49:30#102
2019Mt. Sneffels Half Marathon & 10KOurayCO2:24:28#265
2019Mt. Sneffels Marathon & Half Marathon—2:24:28#265
2018Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:07:54#2697
2018Chi Town Half Marathon & 10KChicagoIL2:11:47#980
2018OC Marathon - Half Marathon - 5KNewport BeachCA4:10:45#6720
2017Trinity Health Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon WalkAnn ArborMI2:51:26#1018
2017Ann Arbor MarathonAnn ArborMI2:51:27#1016
2016Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:14:36#5279
2015Life Time Miami Marathon & HalfMiamiFL2:02:27#3995
20142025 500 Festival Running EventsIndianapolisIN1:52:44#3689
2014Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:13:59#7979
2013Life Time 305 Half Marathon and 5K Presented by Baptist HealthMiami BeachFL1:49:57#357
201313.1 Fort LauderdaleFort LauderdaleFL1:55:54#353
2013Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:03:43#7580
2013Life Time Chicago Half Marathon + 5KChicagoIL2:10:48#4741
2013Weston Rotary Run For TomorrowWestonFL2:46:47#402
2012Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:49:01#2689
20122025 500 Festival Running EventsIndianapolisIN2:20:11#12658
2011Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA1:46:12#2586
20112025 500 Festival Running EventsIndianapolisIN1:47:06#3223
2011Life Time Chicago Half Marathon + 5KChicagoIL1:51:40#2028
2011Chicago Half Marathon—1:51:40#2030
2011Nitro TrailPinoleCA1:54:13#40
2011Brazen Summer BreezeSan LeandroCA1:56:20#121
2011Oktoberfest MarathonSpring LakeMI1:57:15#139
2011Bad BassCastro ValleyCA2:22:48#98
2011Charlie Horse Half MarathonMohntonPA2:36:32#144
2011Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA3:29:35#10692
2010Race to Robie Creek®BoiseID1:45:27#99
2010Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphiaPA2:03:13#3906
20102027 WALT DISNEY WORLD® Marathon Weekend presented by State Farm® With A Running PassionOrlandoFL2:22:05#6068
2010Rock 'n' Roll Virgina Beach Half MarathonVirginia BeachVA3:33:52#14167
2007Race to Robie Creek®BoiseID1:35:40#54
2007The Towpath MarathonClevelandOH2:21:26#543
2006Greater St. Louis MarathonSt. LouisMO3:12:00#5514
2005Greater St. Louis MarathonSt. LouisMO3:05:35#3873
2001Race to Robie Creek®BoiseID1:33:01#38
19972026 Desert Classic Half Marathon & 5K January 24, 2026GlendaleAZ1:48:43#95
19972025 500 Festival Running EventsIndianapolisIN2:01:01#5272
19952025 500 Festival Running EventsIndianapolisIN2:02:11#4911

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

PAPennsylvania
8 races
INIndiana
5 races
FLFlorida
5 races
CACalifornia
4 races
IDIdaho
3 races
ILIllinois
3 races
MIMichigan
3 races
AZArizona
2 races
MOMissouri
2 races
VAVirginia
2 races
COColorado
2 races
OHOhio
1 race
DEDelaware
1 race

50-State Challenge

13/ 50 states

37 states to go