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SD
Seamus Duffy
MaleCalifornia1991–2025
11
Total Finishes
11
Different Races
5
States (10%)
1:33:56
PR (7:10/mi)
1:48:52
Average
+0:55:21
Slower (first to last)
Medal House
2025
DoNot Stop Half Marathon (5k/10k) - Grand Rapids
1:35:56
#3 overall
2025
OC Marathon - Half Marathon - 5K
2:08:53
#3206 overall#2137 gender
2025
Vulcan's Fury Trail Race
2:34:53
#30 overall#27 gender
2024
Annadel Half Marathon
1:42:43
#8 overall#7 gender
2024
Seattle Marathon
1:49:13
#224 overall#172 gender
2023
Clo Cow Half Marathon
1:39:51
#25 overall#20 gender
2022
Beer City Half™ Santa Rosa
1:30:40
#3 overall
2022
Windsor Half Marathon 10K & 5K
1:33:56
#6 overall#5 gender
2022
Zoom Firecracker - DISCONTINUED
1:37:27
#9 overall
2022
Zoom Firecracker Run
1:37:28
#9 overall#9 gender
2021
Kinzua Half Marathon & 5k
1:57:36
#43 overall
1991
Grandma's Marathon
1:39:32
#205 overall#163 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | DoNot Stop Half Marathon (5k/10k) - Grand RapidsZeeland | MI | 1:35:56 | #3 |
| 2025 | OC Marathon - Half Marathon - 5KNewport Beach | CA | 2:08:53 | #3206 |
| 2025 | Vulcan's Fury Trail RaceNottingham | NH | 2:34:53 | #30 |
| 2024 | Annadel Half MarathonSanta Rosa | CA | 1:42:43 | #8 |
| 2024 | Seattle MarathonSeattle | WA | 1:49:13 | #224 |
| 2023 | Clo Cow Half MarathonPetaluma | CA | 1:39:51 | #25 |
| 2022 | Beer City Half™ Santa RosaSanta Rosa | CA | 1:30:40 | #3 |
| 2022 | Windsor Half Marathon 10K & 5KWindsor | CA | 1:33:56 | #6 |
| 2022 | Zoom Firecracker - DISCONTINUEDFremont | CA | 1:37:27 | #9 |
| 2022 | Zoom Firecracker RunFremont | CA | 1:37:28 | #9 |
| 2021 | Kinzua Half Marathon & 5kMount Jewett | PA | 1:57:36 | #43 |
| 1991 | Grandma's MarathonDuluth | MN | 1:39:32 | #205 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
7 racesMIMichigan
1 raceMNMinnesota
1 raceNHNew Hampshire
1 raceWAWashington
1 race50-State Challenge
5/ 51 states + DC
46 states to go