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2024 - Outdoor

100 Meter Dash

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Super Mario Brothers
May 09, 2024
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Counter Strike Global Offensive
May 02, 2024
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Counter Strike Global Offensive
Apr 24, 2024

200 Meter Dash

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Super Mario Brothers
May 15, 2024
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Assassins Creed
May 11, 2024
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Assassins Creed
May 02, 2024
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Assassins Creed
Apr 24, 2024

400 Meter Dash

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World of Warcraft
May 15, 2024
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Counter Strike Global Offensive
May 09, 2024
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World of Warcraft
May 02, 2024
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GoldenEye for N64
Apr 24, 2024

2024 - Indoor

55 Meter Dash

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The Elder Scrolls: Skyrim
Jan 20, 2024
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Grand Theft Auto 5
Jan 13, 2024
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Counter Strike Global Offensive
Jan 10, 2024
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GoldenEye for N64
Jan 04, 2024
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The Elder Scrolls: Skyrim
Dec 30, 2023
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The Legend of Zelda: Breath of the Wild
Dec 16, 2023

200 Meter Dash

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The Legend of Zelda: Breath of the Wild
Jan 20, 2024
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World of Warcraft
Jan 13, 2024
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World of Warcraft
Jan 04, 2024
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Counter Strike Global Offensive
Dec 30, 2023

400 Meter Dash

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World of Warcraft
Jan 20, 2024
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World of Warcraft
Jan 13, 2024
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GoldenEye for N64
Jan 10, 2024
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Assassins Creed
Jan 04, 2024
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World of Warcraft
Dec 16, 2023

2023 - CC

5000 Meter Run

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Assassins Creed
Oct 21, 2023
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Assassins Creed
Oct 14, 2023
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The Elder Scrolls: Skyrim
Oct 05, 2023
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Assassins Creed
Sep 30, 2023
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The Elder Scrolls: Skyrim
Sep 22, 2023
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The Elder Scrolls: Skyrim
Sep 08, 2023
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The Elder Scrolls: Skyrim
Sep 01, 2023

2023 - Outdoor

100 Meter Dash

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The Legend of Zelda: Breath of the Wild
May 16, 2023
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Assassins Creed
May 10, 2023
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Assassins Creed
May 04, 2023
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World of Warcraft
Apr 26, 2023

200 Meter Dash

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GoldenEye for N64
May 10, 2023
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Assassins Creed
May 04, 2023
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Counter Strike Global Offensive
Apr 26, 2023

2023 - Indoor

55 Meter Dash

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Grand Theft Auto 5
Jan 21, 2023
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Counter Strike Global Offensive
Jan 14, 2023
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World of Warcraft
Jan 05, 2023
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Grand Theft Auto 5
Dec 30, 2022
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GoldenEye for N64
Dec 27, 2022
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The Legend of Zelda: Breath of the Wild
Dec 13, 2022

200 Meter Dash

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The Legend of Zelda: Breath of the Wild
Dec 27, 2022

400 Meter Dash

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Assassins Creed
Jan 21, 2023
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Super Mario Brothers
Jan 14, 2023
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Assassins Creed
Jan 05, 2023
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Grand Theft Auto 5
Dec 30, 2022
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The Legend of Zelda: Breath of the Wild
Dec 13, 2022

2022 - CC

1.x Mile Run

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Grand Theft Auto 5
Aug 24, 2022

2.x Mile Run (CC Short Course)

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The Elder Scrolls: Skyrim
Oct 07, 2022

5000 Meter Run

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GoldenEye for N64
Oct 01, 2022
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The Legend of Zelda: Breath of the Wild
Sep 22, 2022
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World of Warcraft
Sep 17, 2022
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Super Mario Brothers
Sep 09, 2022
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The Legend of Zelda: Breath of the Wild
Sep 02, 2022

2022 - Outdoor

100 Meter Dash

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Assassins Creed
May 21, 2022
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The Legend of Zelda: Breath of the Wild
May 19, 2022
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Grand Theft Auto 5
May 12, 2022
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GoldenEye for N64
Apr 27, 2022

200 Meter Dash

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The Elder Scrolls: Skyrim
May 21, 2022
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Grand Theft Auto 5
May 19, 2022
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Assassins Creed
May 12, 2022
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Assassins Creed
Apr 27, 2022

400 Meter Dash

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The Elder Scrolls: Skyrim
May 21, 2022
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World of Warcraft
May 12, 2022

2022 - Indoor

55 Meter Dash

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The Legend of Zelda: Breath of the Wild
Feb 05, 2022
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Grand Theft Auto 5
Jan 22, 2022
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Super Mario Brothers
Jan 12, 2022
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Grand Theft Auto 5
Dec 30, 2021
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Grand Theft Auto 5
Dec 20, 2021
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Super Mario Brothers
Dec 14, 2021

200 Meter Dash

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GoldenEye for N64
Feb 05, 2022
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World of Warcraft
Jan 22, 2022
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The Legend of Zelda: Breath of the Wild
Jan 12, 2022
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The Elder Scrolls: Skyrim
Dec 30, 2021
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Assassins Creed
Dec 20, 2021
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World of Warcraft
Dec 14, 2021

400 Meter Dash

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Grand Theft Auto 5
Feb 05, 2022
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World of Warcraft
Jan 22, 2022

2021 - CC

5000 Meter Run

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The Elder Scrolls: Skyrim
Oct 07, 2021
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The Legend of Zelda: Breath of the Wild
Sep 30, 2021
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Grand Theft Auto 5
Sep 18, 2021
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Grand Theft Auto 5
Sep 10, 2021
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Assassins Creed
Sep 03, 2021

2021 - Outdoor

100 Meter Dash

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Super Mario Brothers
May 27, 2021
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GoldenEye for N64
May 20, 2021
XXX Play Video
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The Legend of Zelda: Breath of the Wild
May 12, 2021
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Grand Theft Auto 5
May 05, 2021

200 Meter Dash

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Super Mario Brothers
May 27, 2021
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Grand Theft Auto 5
May 20, 2021
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Super Mario Brothers
May 12, 2021
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The Elder Scrolls: Skyrim
May 05, 2021
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Assassins Creed
Apr 30, 2021

Javelin

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The Elder Scrolls: Skyrim
May 27, 2021
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The Legend of Zelda: Breath of the Wild
May 20, 2021

2020 - CC

5000 Meter Run

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Counter Strike Global Offensive
Oct 15, 2020
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Grand Theft Auto 5
Oct 09, 2020
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Assassins Creed
Oct 02, 2020
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Counter Strike Global Offensive
Sep 26, 2020

2019 - CC

2400 Meter Run

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Counter Strike Global Offensive
Sep 25, 2019

2018 - CC

2 Mile Run

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Super Mario Brothers
Sep 28, 2018

2017 - CC

2400 Meter Run

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Counter Strike Global Offensive
Oct 24, 2017
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Counter Strike Global Offensive
Oct 11, 2017

2 Mile Run

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Grand Theft Auto 5
Sep 29, 2017

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2024 Indoor Rankings
ME National
200m 28.66 999th 999th
400m 1:04.27 999th 999th
55m 7.84 999th 999th

See where William Kosoff ranks.

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College Progression Tracker

Your 1600m performance is better than XX% of Division I athletes when they were Senior in high school.

Personal Records High School
Outdoor
Javelin 57-4
100 Meter Dash 13.13
200 Meter Dash 24.72
400 Meter Dash 1:04.45
Indoor
55 Meter Dash 7.70
200 Meter Dash 28.66
400 Meter Dash 1:04.27
CC
1.x Mile Run 11:51.00
2.x Mile Run (CC Short Course) 22:16.28
5000 Meter Run 23:07.28
Personal Records Middle School
CC
2400 Meter Run 10:32.00
2 Mile Run 17:02.85