Sort By:
Filter By:

To see all performances, subscribe to

MileSplit Logo
Join Now

Already a Pro member?

2025 - Indoor

300 Meter Dash

XXX Play Video
XXX
XXXX
The Legend of Zelda: Breath of the Wild
Dec 21-22, 2024

600 Meter Run

XXX Play Video
XXX
XXXX
The Elder Scrolls: Skyrim
Feb 08, 2025
XXX Play Video
XXX
XXXX
The Elder Scrolls: Skyrim
Jan 18, 2025
XXX Play Video
XXX
XXXX
Counter Strike Global Offensive
Dec 21-22, 2024
XXX Play Video
XXX
XXXX
GoldenEye for N64
Dec 14, 2024

2024 - CC

4500 Meter Run

XXX Play Video
XXX
XXXX
Counter Strike Global Offensive
Oct 05, 2024

Three Mile Run

XXX Play Video
XXX
XXXX
Grand Theft Auto 5
Nov 06, 2024
XXX Play Video
XXX
XXXX
The Legend of Zelda: Breath of the Wild
Oct 12, 2024

Latest Videos All Videos

Latest News All News

2025 Indoor Rankings
NY National
300m 39.50 999th 999th
600m 1:29.88 999th 999th
2024 Indoor Rankings
NY National
300m 39.52 999th 999th
600m 1:28.96 999th 999th
800m 2:07.82 999th 999th
2024 Outdoor Rankings
NY National
800m 2:02.66 999th 999th

See where John Kosowicz ranks.

Join Now
Already a member? Log In.
College Progression Tracker

Your 800m performance is better than XX% of Division 1 athletes when they were Junior in high school.

Personal Records High School
Outdoor
200 Meter Dash 26.97
400 Meter Dash 1:01.31
400 Meter Hurdles 1:27.65
800 Meter Run 2:02.66
Indoor
200 Meter Dash 26.87
300 Meter Dash 39.50
400 Meter Dash 1:00.39
600 Meter Run 1:28.96
800 Meter Run 2:07.82
1600 Meter Run 6:11.10
CC
1.x Mile Run 9:14.94
2400 Meter Run 10:20.40
2.5 Mile Run 16:15.51
4500 Meter Run 15:01.60
2.x Mile Run (CC Short Course) 14:28.61
Three Mile Run 16:59.20
5000 Meter Run 17:21.60