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GD
Gregory Duffy
MalePennsylvania2008–2025
27
Total Finishes
12
Different Races
4
States (8%)
1:25:32
PR (6:32/mi)
1:43:12
Average
+0:03:47
Slower (first to last)
Medal House
2017
Love Run Half Marathon
1:31:03
#165 overall#141 gender
2016
Rock ‘n’ Roll Philadelphia Half Marathon
1:37:16
#403 overall#298 gender
2016
Love Run Half Marathon
1:43:33
#602 overall#429 gender
2016
1/2 Sauer 1/2 Kraut
1:51:29
#77 overall#61 gender
2016
Rochester Regional Health Flower City Challenge
1:54:54
#585 overall
2016
RaceVermont Fall Half Marathon
2:13:17
#230 overall#92 gender
2015
Philadelphia Marathon
1:47:42
#1564 overall#1049 gender
2015
Rock ‘n’ Roll Philadelphia Half Marathon
1:56:46
#3635 overall#2194 gender
2012
St. Jude Rock 'n' Roll Seattle
2:25:56
#7614 overall#3318 gender
2011
Novo Nordisk New Jersey Marathon
1:58:18
#1678 overall#989 gender
2008
Novo Nordisk New Jersey Marathon
1:41:10
#182 overall#147 gender
2007
Novo Nordisk New Jersey Marathon
1:46:57
#368 overall#275 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Philadelphia Distance RunPhiladelphia | PA | 1:27:50 | #252 |
| 2025 | Philly Mayor's CupPhiladelphia | PA | 1:50:44 | #18 |
| 2025 | Philadelphia Mayor's CupPhiladelphia | PA | 1:50:44 | #18 |
| 2024 | Philadelphia MarathonPhiladelphia | PA | 1:42:33 | #1075 |
| 2024 | Philadelphia Mayor's CupPhiladelphia | PA | 1:55:24 | #11 |
| 2023 | Philadelphia Distance RunPhiladelphia | PA | 1:25:32 | #181 |
| 2023 | Philadelphia MarathonPhiladelphia | PA | 1:40:06 | #1172 |
| 2023 | Philadelphia Mayor's CupPhiladelphia | PA | 1:51:00 | #7 |
| 2022 | PHILADELPHIA DISTANCE RUNPhiladelphia | PA | 1:27:04 | #168 |
| 2022 | Philadelphia Distance RunPhiladelphia | PA | 1:27:04 | #167 |
| 2022 | Philadelphia MarathonPhiladelphia | PA | 1:34:07 | #659 |
| 2022 | Philadelphia Mayor's CupPhiladelphia | PA | 1:47:02 | #13 |
| 2021 | PHILADELPHIA DISTANCE RUNPhiladelphia | PA | 1:32:11 | #239 |
| 2021 | Philadelphia Distance RunPhiladelphia | PA | 1:32:11 | #236 |
| 2019 | Love Run Half MarathonPhiladelphia | PA | 1:26:00 | #86 |
| 2019 | Philly RunfestPhiladelphia | PA | 1:29:04 | #25 |
| 2018 | Philly RunfestPhiladelphia | PA | 1:30:39 | #15 |
| 2018 | Love Run Half MarathonPhiladelphia | PA | 1:31:03 | #174 |
| 2018 | Covered Bridges Half MarathonWoodstock | VT | 2:23:26 | #1492 |
| 2017 | Love Run Half MarathonPhiladelphia | PA | 1:31:03 | #165 |
| 2017 | Covered Bridges Half MarathonWoodstock | VT | 2:01:12 | #831 |
| 2016 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:37:16 | #403 |
| 2016 | Love Run Half MarathonPhiladelphia | PA | 1:43:33 | #602 |
| 2016 | 1/2 Sauer 1/2 KrautPhiladelphia | PA | 1:51:29 | #77 |
| 2016 | Rochester Regional Health Flower City ChallengeRochester | NY | 1:54:54 | #585 |
| 2016 | RaceVermont Fall Half MarathonShelburne | VT | 2:13:17 | #230 |
| 2015 | Philadelphia MarathonPhiladelphia | PA | 1:47:42 | #1564 |
| 2015 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:56:46 | #3635 |
| 2012 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 2:25:56 | #7614 |
| 2011 | Novo Nordisk New Jersey MarathonLong Branch | NJ | 1:58:18 | #1678 |
| 2008 | Novo Nordisk New Jersey MarathonLong Branch | NJ | 1:41:10 | #182 |
| 2007 | Novo Nordisk New Jersey MarathonLong Branch | NJ | 1:46:57 | #368 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
PAPennsylvania
24 racesNJNew Jersey
3 racesVTVermont
3 racesMAMassachusetts
0 races50-State Challenge
4/ 51 states + DC
47 states to go