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DO
David Ostafinski
MaleMichigan1999–2023
11
Total Finishes
7
Different Races
1
States (2%)
1:50:14
PR (8:25/mi)
2:37:40
Average
+0:44:45
Slower (first to last)
Medal House
2023
DEXTER-ANN ARBOR RUN
2:35:33
#1377 overall
2018
Miles for Mankind
2:21:19
#37 overall#27 gender
2017
Black Toenail Friday Half Marathon and 7.5 Miler - MI
2:53:57
#151 overall
2016
Miles for Mankind
2:37:05
#72 overall#38 gender
2016
Pinckney Trail Weekend
2:54:07
#587 overall#407 gender
2013
Back Roads Half Marathon
1:56:25
#184 overall#122 gender
2013
DEXTER-ANN ARBOR RUN
1:59:58
#1205 overall#840 gender
2012
Martian Invasion of the Races
3:19:12
#1732 overall#854 gender
2012
Detroit Free Press Marathon
4:35:39
#2218 overall#1459 gender
2001
DEXTER-ANN ARBOR RUN
1:50:14
#612 overall#488 gender
1999
DEXTER-ANN ARBOR RUN
1:50:48
#621 overall#490 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2023 | DEXTER-ANN ARBOR RUNDexter | MI | 2:35:33 | #1377 |
| 2018 | Miles for MankindWestland | MI | 2:21:19 | #37 |
| 2017 | Black Toenail Friday Half Marathon and 7.5 Miler - MICommerce Township | MI | 2:53:57 | #151 |
| 2016 | Miles for MankindWestland | MI | 2:37:05 | #72 |
| 2016 | Pinckney Trail WeekendPinckney | MI | 2:54:07 | #587 |
| 2013 | Back Roads Half MarathonClarkston | MI | 1:56:25 | #184 |
| 2013 | DEXTER-ANN ARBOR RUNDexter | MI | 1:59:58 | #1205 |
| 2012 | Martian Invasion of the RacesDearborn | MI | 3:19:12 | #1732 |
| 2012 | Detroit Free Press MarathonDetroit | MI | 4:35:39 | #2218 |
| 2001 | DEXTER-ANN ARBOR RUNDexter | MI | 1:50:14 | #612 |
| 1999 | DEXTER-ANN ARBOR RUNDexter | MI | 1:50:48 | #621 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MIMichigan
11 races50-State Challenge
1/ 51 states + DC
50 states to go