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JK
Jason Klaassen
MaleMichigan2015–2026
6
Total Finishes
5
Different Races
2
States (4%)
1:15:45
PR (5:47/mi)
1:27:05
Average
-0:20:51
Faster (first to last)
Medal House
2026
Winter Trail Fest (WTF) Half Marathon and 5 Mile - Westside
1:32:04
#1 overall
2025
Detroit Free Press Marathon
1:18:46
#32 overall#29 gender
2023
Indianapolis Monumental Marathon
1:15:45
#144 overall#133 gender
2023
15th Annual Rock CF Rivers Half Marathon & 5K
1:16:02
#5 overall#5 gender
2016
Groundhog Day Marathon
1:26:57
#6 overall
2015
Groundhog Day Marathon
1:52:55
#7 overall
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | Winter Trail Fest (WTF) Half Marathon and 5 Mile - WestsideMiddleville | MI | 1:32:04 | #1 |
| 2025 | Detroit Free Press MarathonDetroit | MI | 1:18:46 | #32 |
| 2023 | Indianapolis Monumental MarathonIndianapolis | IN | 1:15:45 | #144 |
| 2023 | 15th Annual Rock CF Rivers Half Marathon & 5KGrosse Ile | MI | 1:16:02 | #5 |
| 2016 | Groundhog Day MarathonWalker | MI | 1:26:57 | #6 |
| 2015 | Groundhog Day MarathonWalker | MI | 1:52:55 | #7 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MIMichigan
5 racesINIndiana
1 race50-State Challenge
2/ 51 states + DC
49 states to go