William Lennert

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2025 - Outdoor

1600 Meter Run

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The Elder Scrolls: Skyrim

Apr 25, 2025

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Grand Theft Auto 5

Mar 29, 2025

3200 Meter Run

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The Elder Scrolls: Skyrim

May 02, 2025

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Super Mario Brothers

Apr 25, 2025

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Grand Theft Auto 5

Apr 17, 2025

2024 - CC

2 Mile Run

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Super Mario Brothers

Aug 24, 2024

5000 Meter Run

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Assassins Creed

Dec 07, 2024

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Grand Theft Auto 5

Nov 23, 2024

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Super Mario Brothers

Oct 18, 2024

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GoldenEye for N64

Oct 11, 2024

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GoldenEye for N64

Oct 05, 2024

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The Elder Scrolls: Skyrim

Sep 27, 2024

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World of Warcraft

Sep 21, 2024

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Counter Strike Global Offensive

Sep 04, 2024

2024 - Outdoor

800 Meter Run

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Assassins Creed

Mar 30, 2024

1600 Meter Run

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World of Warcraft

Apr 05, 2024

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World of Warcraft

Mar 30, 2024

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Super Mario Brothers

Mar 11, 2024

3200 Meter Run

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Grand Theft Auto 5

May 10, 2024

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The Elder Scrolls: Skyrim

Apr 30, 2024

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GoldenEye for N64

Mar 23, 2024

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Grand Theft Auto 5

Mar 11, 2024

2024 - Indoor

800 Meter Run

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Grand Theft Auto 5

Feb 24, 2024

2023 - CC

One Mile Run

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Counter Strike Global Offensive

Nov 22, 2023

2 Mile Run

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The Legend of Zelda: Breath of the Wild

Nov 08, 2023

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Super Mario Brothers

Aug 26, 2023

5000 Meter Run

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The Elder Scrolls: Skyrim

Nov 18, 2023

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Super Mario Brothers

Nov 01, 2023

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World of Warcraft

Oct 05, 2023

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Assassins Creed

Sep 29, 2023

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Grand Theft Auto 5

Sep 16, 2023

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The Elder Scrolls: Skyrim

Sep 06, 2023

Five Mile Run

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Assassins Creed

Jul 29, 2023

2023 - Outdoor

1600 Meter Run

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The Elder Scrolls: Skyrim

May 09, 2023

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World of Warcraft

Apr 29, 2023

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Grand Theft Auto 5

Apr 22, 2023

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GoldenEye for N64

Apr 07, 2023

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GoldenEye for N64

Mar 24, 2023

3200 Meter Run

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Super Mario Brothers

May 12, 2023

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Super Mario Brothers

May 05, 2023

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The Elder Scrolls: Skyrim

Apr 15, 2023

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Grand Theft Auto 5

Apr 01, 2023

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World of Warcraft

Mar 10, 2023

2023 - Indoor

1600 Meter Run

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GoldenEye for N64

Feb 11, 2023

2022 - CC

2 Mile Run

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Super Mario Brothers

Aug 27, 2022

5000 Meter Run

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The Legend of Zelda: Breath of the Wild

Nov 19, 2022

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World of Warcraft

Oct 20, 2022

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Super Mario Brothers

Oct 12, 2022

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Grand Theft Auto 5

Sep 30, 2022

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XXXX

Super Mario Brothers

Sep 17, 2022

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Grand Theft Auto 5

Sep 07, 2022

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Counter Strike Global Offensive

Sep 03, 2022

2022 - Outdoor

800 Meter Run

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Grand Theft Auto 5

Apr 09, 2022

1600 Meter Run

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Super Mario Brothers

May 14, 2022

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Grand Theft Auto 5

Apr 02, 2022

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Super Mario Brothers

Mar 26, 2022

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World of Warcraft

Mar 12, 2022

3200 Meter Run

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GoldenEye for N64

May 06, 2022

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Super Mario Brothers

Apr 15, 2022

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Assassins Creed

Apr 09, 2022

2021 - CC

2 Mile Run

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Super Mario Brothers

Nov 10, 2021

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Assassins Creed

Aug 27, 2021

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Assassins Creed

Aug 20, 2021

4000 Meter Run

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The Legend of Zelda: Breath of the Wild

Nov 03, 2021

5000 Meter Run

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World of Warcraft

Nov 20, 2021

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GoldenEye for N64

Oct 13, 2021

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Grand Theft Auto 5

Oct 05, 2021

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Grand Theft Auto 5

Oct 02, 2021

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Grand Theft Auto 5

Sep 18, 2021

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GoldenEye for N64

Sep 08, 2021

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World of Warcraft

Sep 03-04, 2021

Five Mile Run

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Super Mario Brothers

Jul 24, 2021

2021 - Outdoor

800 Meter Run

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Grand Theft Auto 5

May 21, 2021

1600 Meter Run

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GoldenEye for N64

May 21, 2021

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Assassins Creed

Apr 24, 2021

3200 Meter Run

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World of Warcraft

Mar 27, 2021

Long Jump

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GoldenEye for N64

May 21, 2021

Discus

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Counter Strike Global Offensive

May 21, 2021

2021 - Indoor

1600 Meter Run

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Grand Theft Auto 5

Feb 27, 2021

3200 Meter Run

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Grand Theft Auto 5

Feb 06, 2021

2020 - CC

3500 Meter Run

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The Elder Scrolls: Skyrim

Oct 24, 2020

4000 Meter Run

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The Elder Scrolls: Skyrim

Dec 05, 2020

5000 Meter Run

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Super Mario Brothers

Nov 01, 2020

2020 - Indoor

2 Mile Run

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Assassins Creed

Nov 26, 2020

2019 - CC

2400 Meter Run

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Super Mario Brothers

Sep 14, 2019

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Counter Strike Global Offensive

Sep 11, 2019

3000 Meter Run

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Counter Strike Global Offensive

Sep 28, 2019

3500 Meter Run

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The Legend of Zelda: Breath of the Wild

Oct 12, 2019

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Super Mario Brothers

Sep 20, 2019

2018 - CC

2400 Meter Run

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The Elder Scrolls: Skyrim

Sep 12, 2018

2500 Meter Run

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GoldenEye for N64

Sep 01, 2018

3000 Meter Run

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GoldenEye for N64

Sep 29, 2018

2 Mile Run

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Assassins Creed

Oct 12, 2018

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The Elder Scrolls: Skyrim

Sep 07, 2018

3500 Meter Run

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GoldenEye for N64

Oct 20, 2018

2.x Mile Run (CC Short Course)

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World of Warcraft

Sep 14, 2018

Latest Videos All Videos

21:30

High School Boys' 5k Gold

Dec 07, 2024

01:06

Boys 1600 Heat 7

Mar 30, 2024

Latest News All News

2025 Boulder All-City T&F Selections: All-Senior Boys Team

Jun 06, 2025

Discover the top high school track and field athletes in Boulder with the 2025 MileSplit All-City Honors. See who earned All-Senior recognition....

2025 Boulder All-City T&F Selections: Boys Second Team...

Jun 06, 2025

Discover the top high school track and field athletes in Boulder with the 2025 MileSplit All-City Honors. See who earned honors this season....

2025 Boulder All-City T&F Selections: Boys First Team...

Jun 06, 2025

Discover the top high school track and field athletes in Boulder with the 2025 MileSplit All-City Honors. See who earned honors this season....

May’s All-Stars: Top 100 CO Boys from Last Month...

Jun 01, 2025

Ranking the state’s top performances across all events during competition taking place in May....

CO's Most Improved Boys in the 1600m This Season - May ...

May 17, 2025

Take a look at CO's most improved boys in the 1600m from 2024 to 2025....

CO's Most Improved Boys in the 3200m This Season - May ...

May 17, 2025

Take a look at CO's most improved boys in the 3200m from 2024 to 2025....

Top 100 Boys In Every Event: CHSAA Class 4A - May 11...

May 11, 2025

Check out the top 100 boys in each event in Class 4A!...

Latest Photos All Photos

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2025 Outdoor Rankings

		CO	National
1600m	4:38.43	999th	999th
3200m	9:56.43	999th	999th

2024 Outdoor Rankings

		CO	National
1600m	4:39.30	999th	999th
3200m	10:07.55	999th	999th
800m	2:07.68	999th	999th

See where William Lennert 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.

Middle School

Outdoor
Discus	55-1
Long Jump	10-10.25
800 Meter Run	2:26.62
1600 Meter Run	5:15.93
CC
2400 Meter Run	10:47.00
2500 Meter Run	12:03.00
3000 Meter Run	12:49.30
2 Mile Run	16:10.00
3500 Meter Run	13:26.00
4000 Meter Run	15:41.00
2.x Mile Run (CC Short Course)	19:25.00
Indoor
2 Mile Run	12:42.00

High School

Outdoor
800 Meter Run	2:07.68
1600 Meter Run	4:38.43
3200 Meter Run	9:56.43
Indoor
800 Meter Run	2:09.36
1600 Meter Run	4:49.08
3200 Meter Run	11:41.71
CC
One Mile Run	5:10.42
2 Mile Run	10:38.00
4000 Meter Run	14:32.30
5000 Meter Run	15:49.50
Five Mile Run	38:28.50

Open

CC
2 Mile Run	10:00.69

College Progression Tracker

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

2025 Outdoor Rankings

		CO	National
1600m	4:38.43	999th	999th
3200m	9:56.43	999th	999th

2024 Outdoor Rankings

		CO	National
1600m	4:39.30	999th	999th
3200m	10:07.55	999th	999th
800m	2:07.68	999th	999th

See where William Lennert ranks.

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Already a member? Log In.

Middle School

Outdoor
Discus	55-1
Long Jump	10-10.25
800 Meter Run	2:26.62
1600 Meter Run	5:15.93
CC
2400 Meter Run	10:47.00
2500 Meter Run	12:03.00
3000 Meter Run	12:49.30
2 Mile Run	16:10.00
3500 Meter Run	13:26.00
4000 Meter Run	15:41.00
2.x Mile Run (CC Short Course)	19:25.00
Indoor
2 Mile Run	12:42.00

High School

Outdoor
800 Meter Run	2:07.68
1600 Meter Run	4:38.43
3200 Meter Run	9:56.43
Indoor
800 Meter Run	2:09.36
1600 Meter Run	4:49.08
3200 Meter Run	11:41.71
CC
One Mile Run	5:10.42
2 Mile Run	10:38.00
4000 Meter Run	14:32.30
5000 Meter Run	15:49.50
Five Mile Run	38:28.50

Open

CC
2 Mile Run	10:00.69