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DM
Dean Masuyama
MaleCalifornia2007–2025
18
Total Finishes
6
Different Races
2
States (4%)
2:06:30
PR (9:39/mi)
2:41:06
Average
+0:40:20
Slower (first to last)
Medal House
2012
Rock 'n' Roll San Diego
2:12:46
#6650 overall#3527 gender
2012
Rock 'n' Roll Los Angeles Half Marathon
2:17:28
#3542 overall#2064 gender
2012
Rock 'n' Roll Las Vegas
2:19:26
#8115 overall#4355 gender
2012
2026 - San Antonio Marathon
2:25:36
#6709 overall#3577 gender
2011
Rock 'n' Roll Los Angeles Half Marathon
2:04:59
#2283 overall#1557 gender
2011
Rock 'n' Roll Las Vegas
2:11:00
#9308 overall#5176 gender
2010
Rock 'n' Roll Los Angeles Half Marathon
2:08:22
#3161 overall#1945 gender
2010
Rock 'n' Roll Las Vegas
2:08:46
#5862 overall#3267 gender
2009
Rock 'n' Roll Las Vegas
2:06:30
#4833 overall#2823 gender
2008
Rock 'n' Roll Los Angeles Half Marathon
2:12:36
#2277 overall#1599 gender
2008
2026 Disneyland® Half Marathon Weekend presented by HONDA
2:19:15
#3756 overall#2187 gender
2007
2026 Disneyland® Half Marathon Weekend presented by HONDA
2:40:57
#5114 overall#2623 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Rock 'n' Roll Las VegasLas Vegas | NV | 3:21:17 | #10841 |
| 2024 | Rock 'n' Roll Las VegasLas Vegas | NV | 3:12:30 | #10103 |
| 2023 | Rock 'n' Roll Las VegasLas Vegas | NV | 3:14:30 | #10170 |
| 2022 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:57:23 | #9703 |
| 2019 | Run To Remember Los AngelesLos Angeles | CA | 2:25:07 | #545 |
| 2019 | Rock 'n' Roll Las VegasLas Vegas | NV | 3:00:52 | #12081 |
| 2018 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:48:23 | #10683 |
| 2016 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:57:26 | #15411 |
| 2015 | Rock 'n' Roll San DiegoSan Diego | CA | 2:27:18 | #8317 |
| 2015 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:40:47 | #13333 |
| 2015 | Rock 'n' Roll Los Angeles Half MarathonLos Angeles | CA | 2:46:43 | #5548 |
| 2014 | Rock 'n' Roll San DiegoSan Diego | CA | 2:21:17 | #8496 |
| 2014 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:31:31 | #13021 |
| 2013 | Rock 'n' Roll Los Angeles Half MarathonLos Angeles | CA | 2:19:11 | #3548 |
| 2013 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:22:58 | #8729 |
| 2012 | Rock 'n' Roll San DiegoSan Diego | CA | 2:12:46 | #6650 |
| 2012 | Rock 'n' Roll Los Angeles Half MarathonLos Angeles | CA | 2:17:28 | #3542 |
| 2012 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:19:26 | #8115 |
| 2012 | 2026 - San Antonio MarathonSan Antonio | TX | 2:25:36 | #6709 |
| 2011 | Rock 'n' Roll Los Angeles Half MarathonLos Angeles | CA | 2:04:59 | #2283 |
| 2011 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:11:00 | #9308 |
| 2010 | Rock 'n' Roll Los Angeles Half MarathonLos Angeles | CA | 2:08:22 | #3161 |
| 2010 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:08:46 | #5862 |
| 2009 | Rock 'n' Roll Las VegasLas Vegas | NV | 2:06:30 | #4833 |
| 2008 | Rock 'n' Roll Los Angeles Half MarathonLos Angeles | CA | 2:12:36 | #2277 |
| 2008 | 2026 Disneyland® Half Marathon Weekend presented by HONDAAnaheim | CA | 2:19:15 | #3756 |
| 2007 | 2026 Disneyland® Half Marathon Weekend presented by HONDAAnaheim | CA | 2:40:57 | #5114 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NVNevada
14 racesCACalifornia
12 races50-State Challenge
2/ 51 states + DC
49 states to go