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JK
John Knowles
MaleCalifornia1995–2025
19
Total Finishes
13
Different Races
4
States (8%)
1:43:45
PR (7:55/mi)
2:35:47
Average
+1:01:54
Slower (first to last)
Medal House
2016
Scranton Half Marathon
2:28:14
#2003 overall
2015
Love Run Half Marathon
2:15:46
#3847 overall#1602 gender
2015
Rocky Ridge
3:36:37
#156 overall#105 gender
2014
United Airlines NYC Half
2:11:47
#14023 overall#7718 gender
2013
Race For Women's Wellness
1:59:12
#157 overall#93 gender
2013
Southernmost Half Marathon and 10k
2:18:46
#153 overall#72 gender
2010
Life Time Miami Marathon & Half
2:12:33
#4391 overall#2793 gender
2010
Rock n Roll Nashville
3:49:56
#972 overall#518 gender
2009
2026 2XU Long Beach Marathon & Half Marathon
2:14:47
#4205 overall#2414 gender
2001
Georgetown to Idaho Springs Half Marathon
1:48:56
#627 overall#470 gender
2000
Georgetown to Idaho Springs Half Marathon
1:58:00
#1255 overall#835 gender
1995
Grandma's Marathon
1:43:45
#495 overall#368 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Laguna Hills Memorial Day Half Marathon, 5K & 10KLaguna Hills | CA | 2:45:39 | #452 |
| 2024 | Laguna Hills Memorial Day Half Marathon, 5K & 10KLaguna Hills | CA | 2:43:56 | #527 |
| 2023 | Tallahassee Marathon, Half Marathon and RelayTallahassee | FL | 2:02:09 | #270 |
| 2019 | Ramblas RunSan Juan Capisrtano | CA | 3:28:16 | #144 |
| 2019 | Rocky Ridgesan Ramon | CA | 3:55:31 | #151 |
| 2018 | Scranton Half MarathonScranton | PA | 2:33:02 | #1604 |
| 2018 | Ramblas RunSan Juan Capisrtano | CA | 2:52:59 | #96 |
| 2017 | Scranton Half MarathonScranton | PA | 2:35:56 | #1926 |
| 2016 | Scranton Half MarathonScranton | PA | 2:28:14 | #2003 |
| 2015 | Love Run Half MarathonPhiladelphia | PA | 2:15:46 | #3847 |
| 2015 | Rocky Ridgesan Ramon | CA | 3:36:37 | #156 |
| 2014 | United Airlines NYC HalfNew York | NY | 2:11:47 | #14023 |
| 2013 | Race For Women's WellnessCoral Springs | FL | 1:59:12 | #157 |
| 2013 | Southernmost Half Marathon and 10kKey West | FL | 2:18:46 | #153 |
| 2010 | Life Time Miami Marathon & HalfMiami | FL | 2:12:33 | #4391 |
| 2010 | Rock n Roll NashvilleNashville | TN | 3:49:56 | #972 |
| 2009 | 2026 2XU Long Beach Marathon & Half MarathonLong Beach | CA | 2:14:47 | #4205 |
| 2001 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 1:48:56 | #627 |
| 2000 | Georgetown to Idaho Springs Half MarathonUnknown | CO | 1:58:00 | #1255 |
| 1995 | Grandma's MarathonDuluth | MN | 1:43:45 | #495 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
CACalifornia
7 racesFLFlorida
4 racesPAPennsylvania
4 racesCOColorado
2 races50-State Challenge
4/ 51 states + DC
47 states to go