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2019 - Outdoor

400 Meter Dash

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GoldenEye for N64
May 17-18, 2019
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World of Warcraft
Apr 11, 2019
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The Elder Scrolls: Skyrim
Apr 02, 2019

800 Meter Run

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World of Warcraft
May 17-18, 2019
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Assassins Creed
May 02, 2019
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Grand Theft Auto 5
Apr 11, 2019
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Grand Theft Auto 5
Apr 02, 2019
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World of Warcraft
Mar 26, 2019
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World of Warcraft
Mar 19, 2019

2018 - Outdoor

400 Meter Dash

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Grand Theft Auto 5
Apr 12, 2018

800 Meter Run

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Grand Theft Auto 5
May 18-19, 2018
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The Legend of Zelda: Breath of the Wild
Apr 12, 2018

2017 - Outdoor

400 Meter Dash

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The Legend of Zelda: Breath of the Wild
Apr 11, 2017

800 Meter Run

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The Legend of Zelda: Breath of the Wild
May 19-20, 2017
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The Elder Scrolls: Skyrim
May 11, 2017
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Super Mario Brothers
Apr 07, 2017
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Assassins Creed
Mar 28, 2017

2016 - Outdoor

300 Meter Hurdles

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Counter Strike Global Offensive
Apr 08, 2016

2015 - Outdoor

300 Meter Hurdles

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Assassins Creed
Apr 16, 2015

Latest Videos All Videos

03:49
High School Boys' 800m Class C, Finals 1
May 18, 2019
04:42
High School Boys' 400m Class C, Prelims 3
May 17, 2019
2019 Outdoor Rankings
NE National
400m 52.54 999th 999th
800m 2:00.92 999th 999th

See where Zach Koss 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
300 Meter Hurdles 47.20
400 Meter Dash 52.54
800 Meter Run 1:59.90