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JD
John Duffy
MaleMaryland2018–2025
10
Total Finishes
3
Distinct Races
1
States (2%)
1:53:14
PR (8:39/mi)
2:14:02
Average
+0:50:35
Slower (first to last)
Medal House
2025
Frederick Running Festival
2:06:43
#1028 overall0
2025
Lock 2 Lock Marathon/Half Marathon/10k
2:43:49
#103 overall0
2024
Frederick Running Festival
2:01:50
#910 overall0
2024
Lock 2 Lock Marathon/Half Marathon/10k
2:03:54
#44 overall0
2023
Frederick Running Festival
2:15:58
#1512 overall0
2023
Lock 2 Lock Marathon/Half Marathon/10k
2:13:32
#25 overall0
2018
Frederick Running Festival
1:53:14
#650 overall0
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Frederick Running FestivalFrederick | MD | 2:06:43 | #1028 |
| 2025 | Lock 2 Lock Marathon/Half Marathon/10kWilliamsport | MD | 2:43:49 | #103 |
| 2024 | Frederick Running FestivalFrederick | MD | 2:01:50 | #910 |
| 2024 | Lock 2 Lock Marathon/Half Marathon/10kWilliamsport | MD | 2:03:54 | #44 |
| 2023 | Frederick Running FestivalFrederick | MD | 2:15:58 | #1512 |
| 2023 | Lock 2 Lock Marathon/Half Marathon/10kWilliamsport | MD | 2:13:32 | #25 |
| 2018 | Frederick Running FestivalFrederick | MD | 1:53:14 | #650 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MDMaryland
7 races50-State Challenge
1/ 51 states + DC
50 states to go