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DK
Derek Kowalczyk
MaleArizona2013–2025
18
Total Finishes
8
Different Races
3
States (6%)
1:58:24
PR (9:02/mi)
2:17:28
Average
+0:24:31
Slower (first to last)
Medal House
2019
Rock 'n' Roll San Diego
2:04:23
#3450 overall#2152 gender
2018
Rock 'n' Roll San Diego
2:06:37
#3652 overall#2241 gender
2017
TMC Arizona Distance Classic Half Marathon, Quarter Marathon and 5K
2:00:32
#196 overall#115 gender
2017
RunSedona Events
2:07:33
#335 overall
2016
Tucson Marathon
2:03:17
#400 overall#210 gender
2016
RunSedona Events
2:09:24
#256 overall
2016
Naperville Trails Half Marathon & 10K
2:53:27
#595 overall#312 gender
2015
RunSedona Events
2:30:21
#685 overall#318 gender
2015
Rock 'n' Roll Arizona Marathon
2:32:40
#7117 overall#3376 gender
2014
TMC Arizona Distance Classic Half Marathon, Quarter Marathon and 5K
1:58:24
#237 overall#141 gender
2014
RunSedona Events
2:18:14
#364 overall#171 gender
2013
Havasu Half Marathon & 5K
2:05:36
#146 overall#80 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2025 | RunSedona EventsSedona | AZ | 2:30:07 | #830 |
| 2024 | RunSedona EventsSedona | AZ | 2:17:44 | #519 |
| 2023 | Saguaro Half MarathonTucson | AZ | 2:22:50 | #414 |
| 2023 | RunSedona EventsSedona | AZ | 2:27:50 | #543 |
| 2021 | Rock 'n' Roll San DiegoSan Diego | CA | 2:25:01 | #4581 |
| 2020 | RunSedona EventsSedona | AZ | 2:20:15 | #547 |
| 2019 | Rock 'n' Roll San DiegoSan Diego | CA | 2:04:23 | #3450 |
| 2019 | RunSedona EventsSedona | AZ | 2:04:34 | #304 |
| 2018 | Rock 'n' Roll San DiegoSan Diego | CA | 2:06:37 | #3652 |
| 2017 | TMC Arizona Distance Classic Half Marathon, Quarter Marathon and 5KOro Valley | AZ | 2:00:32 | #196 |
| 2017 | RunSedona EventsSedona | AZ | 2:07:33 | #335 |
| 2016 | Tucson MarathonTucson | AZ | 2:03:17 | #400 |
| 2016 | RunSedona EventsSedona | AZ | 2:09:24 | #256 |
| 2016 | Naperville Trails Half Marathon & 10KWheaton | IL | 2:53:27 | #595 |
| 2015 | RunSedona EventsSedona | AZ | 2:30:21 | #685 |
| 2015 | Rock 'n' Roll Arizona MarathonPhoenix | AZ | 2:32:40 | #7117 |
| 2014 | TMC Arizona Distance Classic Half Marathon, Quarter Marathon and 5KOro Valley | AZ | 1:58:24 | #237 |
| 2014 | RunSedona EventsSedona | AZ | 2:18:14 | #364 |
| 2013 | Havasu Half Marathon & 5KLake Havasu City | AZ | 2:05:36 | #146 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
AZArizona
15 racesCACalifornia
3 racesILIllinois
1 race50-State Challenge
3/ 51 states + DC
48 states to go