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2025 - Outdoor

100 Meter Dash

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Assassins Creed
Apr 03, 2025
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The Elder Scrolls: Skyrim
Mar 20, 2025
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The Elder Scrolls: Skyrim
Mar 01, 2025

Discus

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World of Warcraft
May 01, 2025
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Super Mario Brothers
Apr 26, 2025
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Super Mario Brothers
Apr 19, 2025
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Counter Strike Global Offensive
Apr 09, 2025
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Grand Theft Auto 5
Apr 03, 2025
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Super Mario Brothers
Mar 27, 2025
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Counter Strike Global Offensive
Mar 20, 2025
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Counter Strike Global Offensive
Mar 01, 2025

Shot Put

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Assassins Creed
May 01, 2025
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Grand Theft Auto 5
Apr 23, 2025
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Grand Theft Auto 5
Apr 19, 2025
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Assassins Creed
Apr 09, 2025
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Grand Theft Auto 5
Apr 03, 2025
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World of Warcraft
Mar 27, 2025
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The Elder Scrolls: Skyrim
Mar 22, 2025
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Counter Strike Global Offensive
Mar 20, 2025
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The Legend of Zelda: Breath of the Wild
Mar 01, 2025

2024 - Outdoor

300 Meter Hurdles

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Counter Strike Global Offensive
Mar 14, 2024
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The Elder Scrolls: Skyrim
Mar 07, 2024

Discus

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Grand Theft Auto 5
Apr 25, 2024
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Assassins Creed
Apr 17, 2024
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Counter Strike Global Offensive
Apr 03, 2024
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The Elder Scrolls: Skyrim
Mar 21, 2024
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Grand Theft Auto 5
Mar 14, 2024

Shot Put

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XXXX
World of Warcraft
Apr 25, 2024
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XXXX
Grand Theft Auto 5
Apr 17, 2024
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XXXX
Counter Strike Global Offensive
Apr 03, 2024
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XXXX
World of Warcraft
Mar 21, 2024
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World of Warcraft
Mar 14, 2024
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Counter Strike Global Offensive
Mar 07, 2024

2024 - Indoor

400 Meter Dash

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Counter Strike Global Offensive
Feb 24, 2024

Latest News All News

2025 San Diego All-City T&F Selections: All-Sophomore B...
Jun 10, 2025
Discover the top high school track & field athletes in San Diego with the 2025 MileSplit All-City Honors. See who earned honors this season....
2025 San Diego All-City T&F Selections: Boys Second Tea...
Jun 10, 2025
Discover the top high school track & field athletes in San Diego with the 2025 MileSplit All-City Honors. See who earned honors this season....
CA's Best 10th Grade Boys by Event - May 23...
May 23, 2025
View the most impressive 10th grade boys from California in each event as of May 23rd, 2025....
CA's Most Impressive 10th Grade Boys by Event - May 9...
May 08, 2025
View the most impressive 10th grade boys from California at each event as of May 8th, 2025....
Top 100 Boys in the San Diego Area Ranked - May 7...
May 07, 2025
View the top 100 boys in each event from the San Diego area as of May 7, 2025....
Top 100 Boys CIF San Diego Section D1 Marks of 2025- May 2
May 02, 2025
View the top 100 boys for each event in the D1 San Diego Section as of May 2, 2025....
Top 100 CA Boys In The Class Of 2027 - Apr 30...
Apr 30, 2025
Take a look at the Top 100 CA Boys In The Class Of 2027 - Every Event Ranked from this season....
2025 Outdoor Rankings
CA National
D 134-2 999th 999th
2024 Indoor Rankings
CA National
400m 1:00.60 999th 999th

See where Jacob Zierolf 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
100 Meter Dash 12.12
300 Meter Hurdles 50.39
Discus 134-2
Shot Put 32-1.5
indoor
400 Meter Dash 1:00.60