William Kosoff

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2024 - Indoor

55 Meter Dash

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The Legend of Zelda: Breath of the Wild

Jan 20, 2024

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GoldenEye for N64

Jan 13, 2024

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Grand Theft Auto 5

Jan 10, 2024

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Grand Theft Auto 5

Jan 04, 2024

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Counter Strike Global Offensive

Dec 30, 2023

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The Elder Scrolls: Skyrim

Dec 16, 2023

200 Meter Dash

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Assassins Creed

Jan 20, 2024

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Super Mario Brothers

Jan 13, 2024

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GoldenEye for N64

Jan 04, 2024

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Counter Strike Global Offensive

Dec 30, 2023

400 Meter Dash

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Assassins Creed

Jan 20, 2024

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Super Mario Brothers

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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Assassins Creed

Dec 16, 2023

2023 - CC

5000 Meter Run

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World of Warcraft

Oct 21, 2023

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Grand Theft Auto 5

Oct 14, 2023

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The Legend of Zelda: Breath of the Wild

Oct 05, 2023

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Counter Strike Global Offensive

Sep 30, 2023

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Grand Theft Auto 5

Sep 22, 2023

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Super Mario Brothers

Sep 08, 2023

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Super Mario Brothers

Sep 01, 2023

2023 - Outdoor

100 Meter Dash

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Super Mario Brothers

May 16, 2023

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Grand Theft Auto 5

May 10, 2023

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The Elder Scrolls: Skyrim

May 04, 2023

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Counter Strike Global Offensive

Apr 26, 2023

200 Meter Dash

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The Elder Scrolls: Skyrim

May 10, 2023

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GoldenEye for N64

May 04, 2023

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Super Mario Brothers

Apr 26, 2023

2023 - Indoor

55 Meter Dash

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World of Warcraft

Jan 21, 2023

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GoldenEye for N64

Jan 14, 2023

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Super Mario Brothers

Jan 05, 2023

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Super Mario Brothers

Dec 30, 2022

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GoldenEye for N64

Dec 27, 2022

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Assassins Creed

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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Counter Strike Global Offensive

Jan 21, 2023

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The Legend of Zelda: Breath of the Wild

Jan 14, 2023

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Super Mario Brothers

Jan 05, 2023

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Super Mario Brothers

Dec 30, 2022

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The Elder Scrolls: Skyrim

Dec 13, 2022

2022 - CC

1.x Mile Run

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The Legend of Zelda: Breath of the Wild

Aug 24, 2022

2.x Mile Run (CC Short Course)

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Counter Strike Global Offensive

Oct 07, 2022

5000 Meter Run

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Counter Strike Global Offensive

Oct 01, 2022

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Grand Theft Auto 5

Sep 22, 2022

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GoldenEye for N64

Sep 17, 2022

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Super Mario Brothers

Sep 09, 2022

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Super Mario Brothers

Sep 02, 2022

2022 - Outdoor

100 Meter Dash

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Counter Strike Global Offensive

May 21, 2022

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Assassins Creed

May 19, 2022

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The Legend of Zelda: Breath of the Wild

May 12, 2022

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The Legend of Zelda: Breath of the Wild

Apr 27, 2022

200 Meter Dash

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World of Warcraft

May 21, 2022

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Assassins Creed

May 19, 2022

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Assassins Creed

May 12, 2022

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The Elder Scrolls: Skyrim

Apr 27, 2022

400 Meter Dash

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World of Warcraft

May 21, 2022

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GoldenEye for N64

May 12, 2022

2022 - Indoor

55 Meter Dash

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Super Mario Brothers

Feb 05, 2022

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Super Mario Brothers

Jan 22, 2022

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GoldenEye for N64

Jan 12, 2022

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Super Mario Brothers

Dec 30, 2021

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GoldenEye for N64

Dec 20, 2021

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Grand Theft Auto 5

Dec 14, 2021

200 Meter Dash

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The Elder Scrolls: Skyrim

Feb 05, 2022

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Counter Strike Global Offensive

Jan 22, 2022

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World of Warcraft

Jan 12, 2022

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Super Mario Brothers

Dec 30, 2021

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GoldenEye for N64

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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Assassins Creed

Jan 22, 2022

2021 - CC

5000 Meter Run

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The Legend of Zelda: Breath of the Wild

Oct 07, 2021

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World of Warcraft

Sep 30, 2021

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Counter Strike Global Offensive

Sep 18, 2021

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World of Warcraft

Sep 10, 2021

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World of Warcraft

Sep 03, 2021

2021 - Outdoor

100 Meter Dash

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Assassins Creed

May 27, 2021

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Grand Theft Auto 5

May 20, 2021

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Assassins Creed

May 12, 2021

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The Elder Scrolls: Skyrim

May 05, 2021

200 Meter Dash

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Grand Theft Auto 5

May 27, 2021

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The Elder Scrolls: Skyrim

May 20, 2021

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The Legend of Zelda: Breath of the Wild

May 12, 2021

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GoldenEye for N64

May 05, 2021

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Counter Strike Global Offensive

Apr 30, 2021

Javelin

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World of Warcraft

May 27, 2021

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Counter Strike Global Offensive

May 20, 2021

2020 - CC

5000 Meter Run

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Assassins Creed

Oct 15, 2020

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The Elder Scrolls: Skyrim

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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Super Mario Brothers

Sep 25, 2019

2018 - CC

2 Mile Run

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The Legend of Zelda: Breath of the Wild

Sep 28, 2018

2017 - CC

2400 Meter Run

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Super Mario Brothers

Oct 24, 2017

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Counter Strike Global Offensive

Oct 11, 2017

2 Mile Run

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GoldenEye for N64

Sep 29, 2017

Latest Videos All Videos

01:42

High School Boys' 200m Sr, Finals 2

Jan 20, 2024

02:36

High School Boys' 400m Sr, Finals 1

Jan 20, 2024

01:54

High School Boys' 55m Sr, Finals 3

Jan 20, 2024

01:42

High School Boys' 400m Sr, Finals 1

Jan 13, 2024

01:42

High School Boys' 55m Sr, Finals 3

Jan 13, 2024

01:54

High School Boys' 400m Senior, Finals 1

Jan 10, 2024

00:42

High School Boys' 55m Senior, Finals 3

Jan 10, 2024

Latest News All News

USM Invitational Top 50 Boys Performances...

Dec 28, 2023

We look back on the top 50 performances in every event from the USM New Year's Invitational....

XC Countdown: Class A Boys XC Returners...

Aug 13, 2023

Class A boy's 5k top returners based on 2022 5k bests....

Maine's Top Rising Senior Boys XC Returnees...

Jul 30, 2023

2023 Rising Senior Boys cross-country Returnees from Maine...

Maine Outdoor Track & Field Boy's 200m Returners...

Apr 02, 2023

Maine Outdoor Track & Field Boy's 200 meter returners....

Head of Class: Junior Boys 5k Rankings...

Oct 10, 2022

Our second look at Maine high school individual class XC rankings for the 5k distance in 2022....

Head of Class: Junior Boys 5k Rankings...

Sep 21, 2022

Our first look at Maine high school individual class XC rankings for the 5k distance in 2022....

Southern Maine Classic: Maine Boys Top 1000 Times...

Sep 15, 2022

Southern Maine Classic Maine boys all-time top 1000....

Latest Photos All Photos

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2024 Indoor Rankings

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

2023 Indoor Rankings

		ME	National
55m	7.83	999th	999th
400m	1:05.06	999th	999th
200m	29.24	999th	999th

2022 Indoor Rankings

		ME	National
55m	7.70	999th	999th
400m	1:05.30	999th	999th
200m	28.97	999th	999th

2021 Outdoor Rankings

		ME	National
J	57-4	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.

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

Middle School

CC
2400 Meter Run	10:32.00
2 Mile Run	17:02.85