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2025 - Cc

2 Mile Run

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The Elder Scrolls: Skyrim
Aug 23, 2025

Three Mile Run

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Super Mario Brothers
Sep 19, 2025

5000 Meter Run

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The Legend of Zelda: Breath of the Wild
Nov 22, 2025
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Counter Strike Global Offensive
Nov 01, 2025
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Grand Theft Auto 5
Oct 23, 2025
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GoldenEye for N64
Oct 09, 2025
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Assassins Creed
Sep 13, 2025
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Assassins Creed
Sep 06, 2025
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GoldenEye for N64
Aug 29, 2025

2025 - Outdoor

800 Meter Run

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The Legend of Zelda: Breath of the Wild
May 08, 2025
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The Elder Scrolls: Skyrim
Apr 25, 2025
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GoldenEye for N64
Mar 15, 2025

1600 Meter Run

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Assassins Creed
May 09, 2025
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The Elder Scrolls: Skyrim
May 02, 2025
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World of Warcraft
Apr 25, 2025
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The Elder Scrolls: Skyrim
Apr 17, 2025
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Grand Theft Auto 5
Apr 11, 2025
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Assassins Creed
Mar 29, 2025
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Grand Theft Auto 5
Mar 15, 2025
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World of Warcraft
Mar 08, 2025
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The Legend of Zelda: Breath of the Wild
Mar 08, 2025

3200 Meter Run

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The Elder Scrolls: Skyrim
Apr 11, 2025
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Super Mario Brothers
Mar 22, 2025

2024 - Cc

5000 Meter Run

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GoldenEye for N64
Nov 23, 2024
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Grand Theft Auto 5
Nov 02, 2024
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Counter Strike Global Offensive
Oct 24, 2024
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World of Warcraft
Oct 10, 2024
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The Elder Scrolls: Skyrim
Oct 05, 2024
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The Legend of Zelda: Breath of the Wild
Sep 14, 2024
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Super Mario Brothers
Sep 07, 2024
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GoldenEye for N64
Aug 23, 2024

2024 - Outdoor

400 Meter Dash

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Counter Strike Global Offensive
Apr 30, 2024
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Super Mario Brothers
Apr 26, 2024

800 Meter Run

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The Elder Scrolls: Skyrim
May 09, 2024
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World of Warcraft
May 02, 2024
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World of Warcraft
Apr 05, 2024
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Grand Theft Auto 5
Mar 23, 2024
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Grand Theft Auto 5
Mar 18, 2024
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Assassins Creed
Mar 09, 2024

2023 - Cc

5000 Meter Run

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World of Warcraft
Oct 05, 2023
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Super Mario Brothers
Sep 30, 2023
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The Legend of Zelda: Breath of the Wild
Sep 22, 2023
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Counter Strike Global Offensive
Sep 09, 2023
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The Elder Scrolls: Skyrim
Aug 26, 2023

2023 - Outdoor

800 Meter Run

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Counter Strike Global Offensive
May 04, 2023
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The Legend of Zelda: Breath of the Wild
Mar 18, 2023

1600 Meter Run

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The Legend of Zelda: Breath of the Wild
Mar 11, 2023

2022 - Cc

5000 Meter Run

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GoldenEye for N64
Oct 13, 2022
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The Legend of Zelda: Breath of the Wild
Sep 23, 2022
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The Legend of Zelda: Breath of the Wild
Sep 10, 2022
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The Elder Scrolls: Skyrim
Sep 02, 2022
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Counter Strike Global Offensive
Aug 27, 2022

Latest Videos All Videos

01:48
High School Girls' 5k 5A Podium
Nov 01, 2025
26:53
High School Girls' 5k 5A
Nov 01, 2025
03:29
Varsity Girls 5K
Sep 07, 2024
08:48
High School Girls' 5k Division 2
Sep 22, 2023
19:30
High School Girls' 5k Division 1
Sep 22, 2023
03:01
Girls 5K
Aug 27, 2022

Latest News All News

Who’s Back? Colorado Senior Girls to Watch in the 160...
Feb 09, 2026
Check out the top rankings in the 1600 Meter Run for CO....
Who’s Back? Colorado Senior Girls to Watch in the 160...
Feb 09, 2026
Check out the top rankings in the 1600 Meter Run for CO....
Who’s Back? Colorado Senior Girls to Watch in the 800...
Feb 08, 2026
Check out the top rankings in the 800 Meter Run for CO....
Who’s Back? Colorado Senior Girls to Watch in the 320...
Feb 06, 2026
Check out the top rankings in the 3200 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 Girls Tea...
Dec 19, 2025
Discover the top senior girls in Colorado with the 2025 MileSplit All-State Honors. See who earned honors this season....
2025 Colorado All-State XC Honors: Girls First Team...
Dec 19, 2025
Discover the first-team girls in Colorado with the 2025 MileSplit All-State Honors. See who earned honors this season....
2025 Outdoor Rankings
CO National
1600m 5:11.14 999th 999th
3200m 11:56.17 999th 999th
800m 2:20.09 999th 999th
2025 CC Rankings
CO National
3Mile 16:54.60 999th 999th
5000m 17:51.30 999th 999th
2024 Outdoor Rankings
CO National
400m 1:03.50 999th 999th
800m 2:24.54 999th 999th

See where Mattie Sheehan 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 1:03.50
800 Meter Run 2:20.09
1600 Meter Run 5:11.14
3200 Meter Run 11:56.17
cc
2 Mile Run 12:02.00
Three Mile Run 16:54.60
5000 Meter Run 17:51.30