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WK
William Koch
MaleNew Jersey1992–2025
20
Total Finishes
15
Different Races
8
States (16%)
1:28:57
PR (6:47/mi)
2:03:14
Average
+0:10:23
Slower (first to last)
Medal House
2010
St. Jude Rock 'n' Roll Seattle
1:56:59
#2844 overall#1575 gender
2010
2027 Walt Disney World® Marathon Weekend
2:13:06
#4411 overall#2838 gender
2007
Greater St. Louis Marathon
2:38:55
#5181 overall#2385 gender
2004
Jersey Shore Half Marathon and 2 Mile Run
1:50:59
#218 overall#170 gender
2002
E Murray Todd Half Marathon
1:34:16
#55 overall#50 gender
2002
Jersey Shore Half Marathon and 2 Mile Run
1:34:57
#50 overall#46 gender
2001
E Murray Todd Half Marathon
1:57:57
#313 overall#250 gender
2000
Jersey Shore Half Marathon and 2 Mile Run
1:51:13
#222 overall#173 gender
1999
Rock ‘n’ Roll Philadelphia Half Marathon
1:53:54
#3243 overall#2443 gender
1997
2025 500 Festival Running Events
1:50:32
#3102 overall#2675 gender
1993
47th Colonial Half Marathon and 5K
1:44:29
#622 overall#557 gender
1992
47th Colonial Half Marathon and 5K
1:45:50
#853 overall#752 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | 2026 HiTOPS Princeton Half MarathonPrinceton | NJ | 1:28:57 | #66 |
| 2025 | La Jolla Half Marathon & 5KSan Diego | CA | 1:56:13 | #866 |
| 2024 | Grandma's MarathonDuluth | MN | 2:08:15 | #3496 |
| 2023 | NYCRUNS Brooklyn Ice Cream Social Half MarathonBrooklyn | NY | 2:29:48 | #1378 |
| 2023 | JSRC RunAPaloozaAsbury Park | NJ | 2:36:29 | #1578 |
| 2023 | Runapalooza Asbury ParkAsbury Park | NJ | 2:36:29 | #1569 |
| 2019 | 2026 Anchorage Mayor's Marathon & Half MarathonAnchorage | AK | 1:56:08 | #201 |
| 2017 | PRESALE 2027 AmeriHealth New Jersey April Fools Half Marathon & 8KAtlantic City | NJ | 2:11:11 | #481 |
| 2015 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:58:23 | #4053 |
| 2014 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 2:06:10 | #6091 |
| 2013 | St. Luke's Half Marathon & 5KAllentown | PA | 2:10:19 | #1972 |
| 2012 | Greater St. Louis MarathonSt. Louis | MO | 2:28:35 | #5821 |
| 2011 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 1:54:53 | #2732 |
| 2010 | St. Jude Rock 'n' Roll SeattleSeattle | WA | 1:56:59 | #2844 |
| 2010 | 2027 Walt Disney World® Marathon WeekendOrlando | FL | 2:13:06 | #4411 |
| 2007 | Greater St. Louis MarathonSt. Louis | MO | 2:38:55 | #5181 |
| 2004 | Jersey Shore Half Marathon and 2 Mile RunHighlands | NJ | 1:50:59 | #218 |
| 2002 | E Murray Todd Half MarathonColts Neck | NJ | 1:34:16 | #55 |
| 2002 | Jersey Shore Half Marathon and 2 Mile RunHighlands | NJ | 1:34:57 | #50 |
| 2001 | E Murray Todd Half MarathonColts Neck | NJ | 1:57:57 | #313 |
| 2000 | Jersey Shore Half Marathon and 2 Mile RunHighlands | NJ | 1:51:13 | #222 |
| 1999 | Rock ‘n’ Roll Philadelphia Half MarathonPhiladelphia | PA | 1:53:54 | #3243 |
| 1997 | 2025 500 Festival Running EventsIndianapolis | IN | 1:50:32 | #3102 |
| 1993 | 47th Colonial Half Marathon and 5KWilliamsburg | VA | 1:44:29 | #622 |
| 1992 | 47th Colonial Half Marathon and 5KWilliamsburg | VA | 1:45:50 | #853 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
NJNew Jersey
9 racesPAPennsylvania
4 racesMOMissouri
2 racesVAVirginia
2 racesWAWashington
2 racesCACalifornia
1 raceINIndiana
1 raceMNMinnesota
1 race50-State Challenge
8/ 51 states + DC
43 states to go