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2025 - Cc

5000 Meter Run

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Assassins Creed
Nov 01, 2025
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Super Mario Brothers
Oct 23, 2025
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Grand Theft Auto 5
Oct 10, 2025
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Counter Strike Global Offensive
Sep 20, 2025
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GoldenEye for N64
Sep 13, 2025
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Assassins Creed
Sep 06, 2025

2025 - Outdoor

800 Meter Run

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The Legend of Zelda: Breath of the Wild
May 09, 2025
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Grand Theft Auto 5
May 02, 2025
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Assassins Creed
Apr 25, 2025
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Assassins Creed
Apr 21, 2025

1600 Meter Run

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Grand Theft Auto 5
May 10, 2025

2024 - Cc

2 Mile Run

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GoldenEye for N64
Aug 24, 2024

5000 Meter Run

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Assassins Creed
Nov 23, 2024
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The Legend of Zelda: Breath of the Wild
Oct 24, 2024
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The Legend of Zelda: Breath of the Wild
Sep 14, 2024
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Counter Strike Global Offensive
Sep 04, 2024

2024 - Outdoor

800 Meter Run

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World of Warcraft
May 11, 2024
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Counter Strike Global Offensive
May 10, 2024
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World of Warcraft
May 01, 2024
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Super Mario Brothers
Apr 24, 2024
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Grand Theft Auto 5
Apr 19, 2024
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Super Mario Brothers
Apr 13, 2024

1600 Meter Run

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Super Mario Brothers
Apr 26, 2024
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GoldenEye for N64
Mar 29, 2024

3200 Meter Run

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World of Warcraft
Apr 05, 2024
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World of Warcraft
Mar 11, 2024

2023 - Cc

5000 Meter Run

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Assassins Creed
Oct 28, 2023
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Counter Strike Global Offensive
Oct 20, 2023
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GoldenEye for N64
Oct 06, 2023
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The Legend of Zelda: Breath of the Wild
Sep 30, 2023
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Counter Strike Global Offensive
Sep 16, 2023
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World of Warcraft
Aug 25, 2023

2023 - Outdoor

800 Meter Run

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Grand Theft Auto 5
May 13, 2023
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The Elder Scrolls: Skyrim
Apr 21, 2023
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The Elder Scrolls: Skyrim
Apr 15, 2023
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Grand Theft Auto 5
Mar 31, 2023
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Grand Theft Auto 5
Mar 15, 2023

1600 Meter Run

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Assassins Creed
May 13, 2023
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GoldenEye for N64
Apr 15, 2023
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Super Mario Brothers
Mar 31, 2023
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Grand Theft Auto 5
Mar 15, 2023

3200 Meter Run

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World of Warcraft
May 12, 2023
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Assassins Creed
Apr 28, 2023
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Counter Strike Global Offensive
Apr 08, 2023

2022 - Cc

5000 Meter Run

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Grand Theft Auto 5
Oct 29, 2022
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Super Mario Brothers
Oct 20, 2022
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Counter Strike Global Offensive
Oct 07, 2022
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World of Warcraft
Sep 23, 2022
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Grand Theft Auto 5
Sep 17, 2022
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The Legend of Zelda: Breath of the Wild
Sep 10, 2022
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Counter Strike Global Offensive
Sep 03, 2022
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The Elder Scrolls: Skyrim
Aug 27, 2022
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The Legend of Zelda: Breath of the Wild
Aug 20, 2022

Latest Videos All Videos

01:59
High School Boys' 5k 5A Podium
Nov 01, 2025
03:03
Boys 5K
Aug 27, 2022

Latest News All News

Who’s Back? Colorado Senior Boys to Watch in the 1600...
Feb 09, 2026
Check out the top rankings in the 1600 Meter Run for CO....
Who’s Back? Colorado Senior Boys to Watch in the 800m
Feb 08, 2026
Check out the top rankings in the 800 Meter Run for CO....
2025 Colorado All-State High School XC Honors...
Dec 19, 2025
Discover the top high school cross country runners in Colorado with the 2025 MileSplit All-City Honors. See who earned honors this season....
2025 Colorado All-State XC Honors: All-Senior Boys Team
Dec 19, 2025
Discover the top senior boys in Colorado with the 2025 MileSplit All-State Honors. See who earned honors this season....
2025 Colorado All-State XC Honors: Boys First Team...
Dec 19, 2025
Discover the first-team boys in Colorado with the 2025 MileSplit All-State Honors. See who earned honors this season....
2025 Colorado All-State XC Honors: Boys Second Team...
Dec 19, 2025
Discover the top senior boys in Colorado with the 2025 MileSplit All-State Honors. See who earned honors this season....
At the Top: Fastest Boys 5K Times in 2025...
Nov 26, 2025
Niwot's Hunter Robbie (CO) ran the 25th fastest boys 5K this season last weekend at the NXR Southwest Regional Championships....
2025 Outdoor Rankings
CO National
1600m 4:32.51 999th 999th
800m 1:58.37 999th 999th
2025 CC Rankings
CO National
5000m 15:12.83 999th 999th
2024 Outdoor Rankings
CO National
1600m 4:45.34 999th 999th
3200m 10:22.90 999th 999th
800m 2:02.07 999th 999th

See where Reid O'Brien 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
800 Meter Run 1:58.37
1600 Meter Run 4:32.51
3200 Meter Run 10:22.90
cc
2 Mile Run 10:50.00
5000 Meter Run 15:12.83