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BOYS TRACK & FIELDSAINT CROIX CENTRALCLASS OF 20292026 SEASON

Jonah
Kostrzak

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PR · 800m
2:50.90
Set at
St. Croix Central True Team Challenge
Date
04/21
Class
Class of 2029
01

The Season

Tap an event to plot it
DateMeetMarkΔ
03/20Middle Border Conference Indoor Meet3:13.23a—
03/27Eau Claire North Varsity Invite3:10.83a▼ 2.40
04/03UW-River Falls Meet2:56.07a▼ 14.76
04/14Baldwin-Woodville HS Meet2:54.00▼ 2.07
04/21St. Croix Central True Team Challenge2:50.90▼ 3.10
05/21Middle Border Conference Junior Varsity2:53.37a▽ 2.47
PROGRESSION · 800m · 6 marks · −19.86s season
2:44.202:53.133:02.063:11.003:19.9303/2003/2704/0304/1404/2105/21Season best 2:50.90
02

Personal Bests

All events on record
EventBest markMarksLast meetWI Rank
800m2:50.906Middle Border Conference Junior Varsity · 05/21Unranked
1600m5:57.20a4Middle Border Conference Junior Varsity · 05/21Unranked
400m1:30.45a1Middle Border Conference Indoor Meet · 03/20Unranked
03

Rankings

Where Jonah stacks up
Conference
#63
of 67
Middle Border
Sectional
#285
of 311
Rice Lake D2 Sectional
BOYS CROSS COUNTRYSAINT CROIX CENTRALCLASS OF 20292025 SEASON

Jonah
Kostrzak

5K PR23:02.6
Races4
Wins0
Season avg25:39
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5K PERSONAL BEST · 2025
23:02.6
Set at
Middle Border Conference Championships
Finish
19th
Date
10/16
01

The Season

4 races on record
DateRaceTimePlace
10/16Middle Border Conference Championships23:02.619th
09/27New Richmound Invitational26:26.9115th
09/06St. Croix Central Invitational25:24.264th
08/28Prescott Invitational27:42.8191st
5K PROGRESSION · 4 races · PR 23:02.6 · avg 25:39
21:3923:3125:2327:1529:0708/2809/0609/2710/16Season best 23:03
Times aren't directly comparable course-to-course — terrain & weather vary. The PR is the fastest verified clock.
02

By the Numbers

Season averages & finishes
23:02.6
5K PR
25:39
Season avg
4
Races
0
Wins
0
Top-3
0
Top-10
19th
Best finish
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