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2025 - Outdoor

400 Meter Dash

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World of Warcraft
Apr 02-03, 2025
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Grand Theft Auto 5
Apr 02-03, 2025
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Counter Strike Global Offensive
Mar 27, 2025
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Assassins Creed
Mar 15, 2025
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Assassins Creed
Mar 08, 2025
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The Elder Scrolls: Skyrim
Mar 01, 2025
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Grand Theft Auto 5
Feb 14, 2025

800 Meter Run

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The Elder Scrolls: Skyrim
Apr 02-03, 2025
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Assassins Creed
Mar 27, 2025
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Grand Theft Auto 5
Mar 15, 2025
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The Legend of Zelda: Breath of the Wild
Mar 01, 2025
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Super Mario Brothers
Feb 14, 2025

2024 - Outdoor

400 Meter Dash

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GoldenEye for N64
Apr 03-04, 2024
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Super Mario Brothers
Apr 03-04, 2024
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The Legend of Zelda: Breath of the Wild
Mar 28, 2024
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Grand Theft Auto 5
Mar 23, 2024
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Counter Strike Global Offensive
Mar 09, 2024
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Assassins Creed
Mar 02, 2024
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The Elder Scrolls: Skyrim
Feb 24, 2024

Latest Videos All Videos

01:41
JV Girls 400 Heat 2
Apr 02, 2025
01:23
JV Girls 400 Finals Section 2
Mar 15, 2025
01:34
JV Girls 400 Finals Section 2
Mar 02, 2025
01:16
JV Girls 400 Finals Section 4
Mar 09, 2024

Latest News All News

San Antonio Area - Top Junior Girls for 2025...
May 08, 2025
The 2025 San Antonio Area top junior girls' performances from the season....
5A Region 4: Top Girls from District Heading into Area...
Apr 06, 2025
Compiled by UIL region, these top 100 athletes from district are set for Area in 3 days—many with legitimate shots to advance and make noise at regionals....
UIL 5A Region 4 Girls: Final Rankings Before District...
Mar 26, 2025
With the UIL postseason around the corner, here’s how the top athletes in the region are seeded heading into district....
Top 100 Girls UIL 5A - Region 4 Marks of 2025...
Mar 18, 2025
The Fastest and Strongest: 2025 UIL 5A - Region 4’s Top 100 Performances for every event....
2025 Outdoor Rankings
TX National
400m 1:04.32 999th 999th
800m 2:35.70 999th 999th
2024 Outdoor Rankings
TX National
400m 1:05.47 999th 999th

See where Cassandra Rios 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
400 Meter Dash 1:04.32
800 Meter Run 2:35.70