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Jeff Duyn

MaleMaryland2016–2025

5

Total Finishes

2

Distinct Races

1

States (2%)

1:23:29

PR (6:22/mi)

1:27:15

Average

+0:04:15

Slower (first→last)

Medal House

2025

Run On The Rocks • 10M / Half / 20M

Point Of Rocks, MD

1:27:44
#46 overall#40 gender
roadflat
2025

Parks Half Marathon

Rockville, MD

1:27:44
#46 overall#40 gender
roadflat
2024

Parks Half Marathon

Rockville, MD

1:25:03
#42 overall#38 gender
roadflat
2023

Parks Half Marathon

Rockville, MD

1:32:15
#54 overall#47 gender
roadflat
2016

Parks Half Marathon

Rockville, MD

1:23:29
#20 overall#20 gender
roadflat

Performance Timeline

PR 1:23:2920161:23:2920231:32:1520241:25:0320251:27:4420251:27:44

Complete Race Log

YearRaceStateTimePlace
2025Run On The Rocks • 10M / Half / 20MPoint Of RocksMD1:27:44#46
2025Parks Half MarathonRockvilleMD1:27:44#46
2024Parks Half MarathonRockvilleMD1:25:03#42
2023Parks Half MarathonRockvilleMD1:32:15#54
2016Parks Half MarathonRockvilleMD1:23:29#20

States Raced

1 race 2 races 3-4 races 5+ races

State Breakdown

MDMaryland
5 races

50-State Challenge

1/ 51 states + DC

50 states to go