Sort By:
Filter By:

To see all performances, subscribe to

MileSplit Logo
Join Now

Already a Pro member?

2025 - Indoor

1600 Meter Run

XXX Play Video
XXX
XXXX
Assassins Creed
Dec 16, 2024

2024 - Outdoor

800 Meter Run

XXX Play Video
XXX
XXXX
Counter Strike Global Offensive
Apr 17, 2024
XXX Play Video
XXX
XXXX
GoldenEye for N64
Apr 09, 2024

1600 Meter Run

XXX Play Video
XXX
XXXX
Counter Strike Global Offensive
May 01, 2024
XXX Play Video
XXX
XXXX
Assassins Creed
Apr 17, 2024
XXX Play Video
XXX
XXXX
Grand Theft Auto 5
Apr 09, 2024

2024 - Indoor

400 Meter Dash

XXX Play Video
XXX
XXXX
The Elder Scrolls: Skyrim
Apr 29, 2024

800 Meter Run

XXX Play Video
XXX
XXXX
GoldenEye for N64
Apr 29, 2024

Latest Videos All Videos

03:30
High School Boys' 800m Varsity, Finals 1
Dec 19, 2022
08:05
High School Boys' 1600m Varsity, Finals 1
Dec 19, 2022
03:54
High School Boys' 800m Varsity, Finals 1
Dec 14, 2022
08:35
High School Boys' 1600m Varsity, Finals 1
Dec 14, 2022
2025 Indoor Rankings
MD National
1600m 5:10.21 999th 999th
2024 Indoor Rankings
MD National
400m 1:00.32 999th 999th
800m 2:24.27 999th 999th

See where William Seidlich ranks.

Join Now
Already a member? Log In.
College Progression Tracker

Your 1600m performance is better than XX% of Division 1 athletes when they were Senior in high school.

Personal Records High School
Indoor
400 Meter Dash 1:00.32
800 Meter Run 2:24.27
1600 Meter Run 5:10.21
Outdoor
800 Meter Run 2:25.06
1600 Meter Run 5:23.48
CC
Three Mile Run 20:37.00
5000 Meter Run 22:30.00