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KG
Karen Grontzos
FemaleMassachusetts2018–2025
3
Total Finishes
2
Different Races
1
States (2%)
2:03:48
PR (9:27/mi)
2:04:53
Average
+0:00:38
Slower (first to last)
Medal House
2025
Rockfest Half Marathon
2:04:26
#972 overall#409 gender
2023
ZOOMA Cape Cod Half Marathon + Relay + 10K
2:06:25
#33 overall#30 gender
2018
ZOOMA Cape Cod Half Marathon + Relay + 10K
2:03:48
#58 overall#57 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | Rockfest Half MarathonHampton Beach | NH | 2:04:26 | #972 |
| 2023 | ZOOMA Cape Cod Half Marathon + Relay + 10KFalmouth | MA | 2:06:25 | #33 |
| 2018 | ZOOMA Cape Cod Half Marathon + Relay + 10KFalmouth | MA | 2:03:48 | #58 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MAMassachusetts
2 races50-State Challenge
1/ 51 states + DC
50 states to go