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DG
David Guo
MalePennsylvania2003–2025
30
Total Finishes
15
Different Races
4
States (8%)
1:38:30
PR (7:31/mi)
1:54:47
Average
+1:05:49
Slower (first to last)
Medal House
2012
21st Annual Buffalo Creek Half Marathon
1:52:21
#300 overall#217 gender
2011
21st Annual Buffalo Creek Half Marathon
2:01:13
#409 overall#254 gender
2011
Pensacola Marathon
2:02:44
#311 overall#212 gender
2011
Presque Isle Half Marathon
2:12:14
#517 overall#324 gender
2008
Life Time Miami Marathon & Half
1:53:20
#1371 overall#1026 gender
2007
Columbus Marathon
1:48:54
#613 overall
2007
Life Time Miami Marathon & Half
2:04:19
#1895 overall#1316 gender
2005
Presque Isle Half Marathon
1:44:30
#100 overall#77 gender
2004
Presque Isle Half Marathon
1:38:40
#110 overall#96 gender
2004
Barron Collier Companies Naples Half Marathon
1:40:51
#135 overall#107 gender
2003
Presque Isle Half Marathon
1:39:27
#98 overall#81 gender
2003
Rock ‘n’ Roll Philadelphia Half Marathon
1:40:54
#1426 overall#1204 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Sunrise Marathon 5K/10K/13.1 SAN FRANCISCOSan Francisco | CA | 1:46:02 | #530 |
| 2025 | Oakland Running FestivalOakland | CA | 1:58:17 | #874 |
| 2025 | Oakland MarathonOakland | CA | 1:58:17 | #874 |
| 2025 | Philadelphia MarathonPhiladelphia | PA | 2:45:16 | #10258 |
| 2017 | Pensacola MarathonPensacola | FL | 2:04:27 | #183 |
| 2017 | YMCA Harrisburg Half & 10KHarrisburg | PA | 2:10:36 | #391 |
| 2016 | Gasparilla Distance Classic Race WeekendTampa | FL | 2:00:26 | #1644 |
| 2016 | Bird-in-Hand Half Marathon, 5K, and Kid's Fun RunBird In Hand | PA | 2:21:09 | #572 |
| 2015 | Pensacola MarathonPensacola | FL | 1:58:31 | #184 |
| 2015 | Rock 'n' Roll New OrleansNew Orleans | LA | 2:00:12 | #1657 |
| 2015 | Rock 'n' Roll Virgina Beach Half MarathonVirginia Beach | VA | 2:11:02 | #2361 |
| 2015 | Rock 'n' Roll Chicago Half MarathonChicago | IL | 2:12:00 | #3501 |
| 2014 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:52:01 | #2595 |
| 2014 | Pensacola MarathonPensacola | FL | 1:52:26 | #162 |
| 2014 | Pensacola Marathon | — | 1:52:26 | #162 |
| 2014 | Presque Isle Half MarathonErie | PA | 1:53:24 | #294 |
| 2014 | Rock 'n' Roll New OrleansNew Orleans | LA | 1:58:32 | #1514 |
| 2013 | 21st Annual Buffalo Creek Half MarathonCabot | PA | 1:49:05 | #301 |
| 2013 | Pensacola MarathonPensacola | FL | 1:52:34 | #200 |
| 2013 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:52:50 | #4123 |
| 2013 | Presque Isle Half MarathonErie | PA | 1:55:06 | #353 |
| 2012 | 21st Annual Buffalo Creek Half MarathonCabot | PA | 1:52:21 | #300 |
| 2012 | Pensacola MarathonPensacola | FL | 1:55:13 | #227 |
| 2011 | 21st Annual Buffalo Creek Half MarathonCabot | PA | 2:01:13 | #409 |
| 2011 | Pensacola MarathonPensacola | FL | 2:02:44 | #311 |
| 2011 | Presque Isle Half MarathonErie | PA | 2:12:14 | #517 |
| 2008 | Life Time Miami Marathon & HalfMiami | FL | 1:53:20 | #1371 |
| 2007 | Columbus MarathonColumbus | OH | 1:48:54 | #613 |
| 2007 | Life Time Miami Marathon & HalfMiami | FL | 2:04:19 | #1895 |
| 2005 | Presque Isle Half MarathonErie | PA | 1:44:30 | #100 |
| 2004 | Presque Isle Half MarathonErie | PA | 1:38:40 | #110 |
| 2004 | Barron Collier Companies Naples Half MarathonNaples | FL | 1:40:51 | #135 |
| 2003 | Presque Isle Half MarathonErie | PA | 1:39:27 | #98 |
| 2003 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:40:54 | #1426 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
PAPennsylvania
15 racesFLFlorida
10 racesCACalifornia
3 racesMAMassachusetts
0 races50-State Challenge
4/ 50 states
46 states to go