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MD
Michael Dinneen
MaleMassachusetts1998–2026
12
Total Finishes
12
Different Races
4
States (8%)
1:44:52
PR (8:00/mi)
2:10:09
Average
-0:07:22
Faster (first to last)
Medal House
2026
Beach and Back Half Marathon & 5K
1:45:54
#39 overall#26 gender
2025
Beach and Back Half Marathon & 5K
1:44:52
#50 overall#33 gender
2025
Beach and Back Half Marathon and 5k
1:44:52
#50 overall#33 gender
2019
Grand Teton & Yellowstone Half Marathons & 5Ks
2:25:16
#957 overall
2019
Grand Teton Half Marathon
2:25:17
#957 overall#391 gender
2018
Mount Rushmore Half Marathon
2:46:52
#792 overall#317 gender
2017
Duxbury Half Marathon
1:50:36
#30 overall#21 gender
2017
Duxbury Half Marathon
1:50:36
#30 overall#21 gender
2016
Lake Powell Half Marathon
2:19:33
#728 overall#330 gender
2008
Rock ‘n’ Roll Denver Marathon & 1/2 Marathon
1:54:03
#861 overall#549 gender
2008
Leadville Trail Marathon and Heavy Half
3:20:38
#46 overall#36 gender
1998
Georgetown to Idaho Springs Half Marathon
1:53:16
#886 overall#658 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Beach and Back Half Marathon & 5KMarshfield | MA | 1:45:54 | #39 |
| 2025 | Beach and Back Half Marathon & 5KMarshfield | MA | 1:44:52 | #50 |
| 2025 | Beach and Back Half Marathon and 5k | — | 1:44:52 | #50 |
| 2019 | Grand Teton & Yellowstone Half Marathons & 5KsJackson | WY | 2:25:16 | #957 |
| 2019 | Grand Teton Half MarathonJackson | WY | 2:25:17 | #957 |
| 2018 | Mount Rushmore Half MarathonKeystone | SD | 2:46:52 | #792 |
| 2017 | Duxbury Half MarathonDuxbury | MA | 1:50:36 | #30 |
| 2017 | Duxbury Half Marathon | — | 1:50:36 | #30 |
| 2016 | Lake Powell Half MarathonPage | AZ | 2:19:33 | #728 |
| 2008 | Rock ‘n’ Roll Denver Marathon & 1/2 MarathonDenver | CO | 1:54:03 | #861 |
| 2008 | Leadville Trail Marathon and Heavy HalfLeadville | CO | 3:20:38 | #46 |
| 1998 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 1:53:16 | #886 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
COColorado
3 racesMAMassachusetts
3 racesAZArizona
1 raceMNMinnesota
0 races50-State Challenge
4/ 50 states
46 states to go