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GM
Greg Madendorp
MaleColorado2018–2026
5
Total Finishes
4
Different Races
2
States (4%)
1:21:33
PR (6:14/mi)
1:22:33
Average
+0:01:33
Slower (first to last)
Medal House
2026
2026 Holland Haven Marathon
1:23:06
#6 overall
2019
Pasadena Half Marathon & 5K
1:22:52
#23 overall#23 gender
2018
Pasadena Half Marathon & 5K
1:21:33
#13 overall#13 gender
2018
Labor Day Half Marathon
1:22:37
#6 overall
2018
Labor Day Half Marathon, 10K & 5K
1:22:38
#6 overall#6 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | 2026 Holland Haven MarathonHolland | MI | 1:23:06 | #6 |
| 2019 | Pasadena Half Marathon & 5KPasadena | CA | 1:22:52 | #23 |
| 2018 | Pasadena Half Marathon & 5KPasadena | CA | 1:21:33 | #13 |
| 2018 | Labor Day Half MarathonParker | CO | 1:22:37 | #6 |
| 2018 | Labor Day Half Marathon, 10K & 5K | — | 1:22:38 | #6 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
COColorado
1 raceMIMichigan
1 race50-State Challenge
2/ 50 states
48 states to go