Back to League Tables
DI
David Isaac
MaleNew York2006–2025
57
Total Finishes
27
Distinct Races
5
States (10%)
1:36:38
PR (7:23/mi)
1:58:17
Average
+0:05:42
Slower (first to last)
Medal House
2009
Celebrate Life Half Marathon
1:51:49
#178 overall#143 gender
2009
Yonkers Marathon
1:55:02
#125 overall#104 gender
2009
Second Wind Christie Clinic Illinois Race Weekend Training Program
1:57:20
#1160 overall#774 gender
2009
Westchester Medical Center Running Festival
1:58:03
#384 overall#270 gender
2008
The Unforgettable Staten Island Half Marathon!
1:51:08
#1240 overall#1010 gender
2008
The LESS Popular Brooklyn Half Marathon!
1:53:48
#2598 overall#1934 gender
2008
United Airlines NYC Half
1:56:25
#3633 overall#2524 gender
2008
NYCRUNS Brooklyn Ice Cream Social Half Marathon
1:56:59
#1149 overall#895 gender
2008
NYRR Fred Lebow Half Marathon
1:58:56
#2715 overall#1991 gender
2007
Beer City Half™ San Diego
1:53:54
#1171 overall#856 gender
2007
Westchester Medical Center Running Festival
2:09:40
#314 overall#182 gender
2006
Beer City Half™ San Diego
2:24:08
#4488 overall#2582 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | 2027 Publix Fort Lauderdale A1A Marathon, Half Marathon, 6K & Kids of Love Run, & Celsius 5k Presented by ColavitaFort Lauderdale | FL | 2:29:50 | #2082 |
| 2023 | Philadelphia Distance RunPhiladelphia | PA | 1:55:32 | #965 |
| 2023 | Rehoboth Seashore Marathon and Half MarathonRehoboth Beach | DE | 2:02:13 | #623 |
| 2023 | Celebrate Life Half MarathonRock Hill | NY | 2:03:48 | #192 |
| 2022 | United Airlines NYC HalfNew York | NY | 1:53:15 | #6445 |
| 2022 | Philadelphia MarathonPhiladelphia | PA | 1:59:01 | #3732 |
| 2022 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:14:24 | #11478 |
| 2021 | Celebrate Life Half MarathonRock Hill | NY | 1:59:13 | #169 |
| 2021 | Dutchess County ClassicWappingers Falls | NY | 2:00:01 | #208 |
| 2021 | Philadelphia MarathonPhiladelphia | PA | 2:04:39 | #3759 |
| 2021 | Verrazano Festival of RacesBrooklyn | NY | 2:22:19 | #280 |
| 2021 | Paine to Pain Trail Half MarathonNew Rochelle | NY | 2:23:42 | #504 |
| 2020 | Celebrate Life Half MarathonRock Hill | NY | 1:46:55 | #81 |
| 2019 | Sleepy Hollow Half MarathonSleepy Hollow | NY | 1:43:38 | #148 |
| 2019 | Zion Half MarathonSpringdale | UT | 1:48:26 | #62 |
| 2019 | Rehoboth Seashore Marathon and Half MarathonRehoboth Beach | DE | 1:59:57 | #564 |
| 2019 | Life Time Miami Marathon & HalfMiami | FL | 2:02:20 | #3166 |
| 2018 | Celebrate Life Half MarathonRock Hill | NY | 1:42:59 | #56 |
| 2018 | Sleepy Hollow Half MarathonSleepy Hollow | NY | 1:44:19 | #145 |
| 2018 | Yonkers MarathonYonkers | NY | 1:44:47 | #50 |
| 2018 | Fallen Comrades Half MarathonWest Point | NY | 1:52:48 | #219 |
| 2018 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 2:09:47 | #15793 |
| 2018 | The North Face® Endurance Challenge - New YorkBear Mountain | NY | 2:55:40 | #422 |
| 2017 | Sleepy Hollow Half MarathonSleepy Hollow | NY | 1:44:49 | #152 |
| 2017 | Second Wind Christie Clinic Illinois Race Weekend Training ProgramChampaign | IL | 1:52:10 | #743 |
| 2017 | Fallen Comrades Half MarathonWest Point | NY | 1:52:41 | #274 |
| 2017 | Walkway Half MarathonPoughkeepsie | NY | 1:54:50 | #160 |
| 2017 | Celebrate Life Half MarathonRock Hill | NY | 1:55:22 | #139 |
| 2017 | North Face Endurance Challenge - ChampionshipsSan Francisco | CA | 2:06:34 | #239 |
| 2016 | Celebrate Life Half MarathonRock Hill | NY | 1:39:58 | #67 |
| 2015 | Yonkers MarathonYonkers | NY | 1:40:55 | #73 |
| 2015 | Celebrate Life Half MarathonRock Hill | NY | 1:46:18 | #107 |
| 2015 | Second Wind Christie Clinic Illinois Race Weekend Training ProgramChampaign | IL | 1:54:54 | #1050 |
| 2014 | Philadelphia MarathonPhiladelphia | PA | 1:39:47 | #948 |
| 2014 | Sleepy Hollow Half MarathonSleepy Hollow | NY | 1:47:39 | #202 |
| 2014 | Celebrate Life Half MarathonRock Hill | NY | 1:50:42 | #148 |
| 2014 | Catharine Vally Half MarathonWatkins Glen | NY | 2:18:03 | #261 |
| 2013 | Bird-in-Hand Half Marathon, 5K, and Kid's Fun RunBird In Hand | PA | 1:36:38 | #67 |
| 2012 | Yonkers MarathonYonkers | NY | 1:47:35 | #211 |
| 2012 | Sleepy Hollow Half MarathonSleepy Hollow | NY | 1:56:29 | #460 |
| 2012 | Fairfield Road RacesFairfield | CT | 2:19:36 | #2579 |
| 2010 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:50:07 | #2118 |
| 2010 | NYRR Fred Lebow Half MarathonNew York | NY | 1:53:57 | #2623 |
| 2010 | Celebrate Life Half MarathonRock Hill | NY | 1:57:15 | #178 |
| 2010 | Second Wind Christie Clinic Illinois Race Weekend Training ProgramChampaign | IL | 2:04:46 | #1708 |
| 2010 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:24:31 | #2686 |
| 2009 | Celebrate Life Half MarathonRock Hill | NY | 1:51:49 | #178 |
| 2009 | Yonkers MarathonYonkers | NY | 1:55:02 | #125 |
| 2009 | Second Wind Christie Clinic Illinois Race Weekend Training ProgramChampaign | IL | 1:57:20 | #1160 |
| 2009 | Westchester Medical Center Running FestivalWhite Plains | NY | 1:58:03 | #384 |
| 2009 | Rock 'n' Roll San JoseSan Jose | CA | 2:04:06 | #3522 |
| 2008 | The Unforgettable Staten Island Half Marathon!Staten Island | NY | 1:51:08 | #1240 |
| 2008 | The LESS Popular Brooklyn Half Marathon!Brooklyn | NY | 1:53:48 | #2598 |
| 2008 | United Airlines NYC HalfNew York | NY | 1:56:25 | #3633 |
| 2008 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 1:56:59 | #1149 |
| 2008 | NYRR Fred Lebow Half MarathonNew York | NY | 1:58:56 | #2715 |
| 2007 | Beer City Half™ San DiegoSan Diego | CA | 1:53:54 | #1171 |
| 2007 | Westchester Medical Center Running FestivalWhite Plains | NY | 2:09:40 | #314 |
| 2006 | Beer City Half™ San DiegoSan Diego | CA | 2:24:08 | #4488 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NYNew York
40 racesPAPennsylvania
5 racesCACalifornia
4 racesILIllinois
4 racesCTConnecticut
1 race50-State Challenge
5/ 51 states + DC
46 states to go