Sort By:
Filter By:

To see all performances, subscribe to

MileSplit Logo
Join Now

Already a Pro member?

2025 - Outdoor

800 Meter Run

XXX Play Video
XXX
XXXX
Assassins Creed
Apr 08, 2025

1600 Meter Run

XXX Play Video
XXX
XXXX
Super Mario Brothers
Apr 15, 2025
XXX Play Video
XXX
XXXX
The Elder Scrolls: Skyrim
Apr 08, 2025

Long Jump

XXX Play Video
XXX
XXXX
Counter Strike Global Offensive
Apr 08, 2025

2025 - Indoor

1600 Meter Run

XXX Play Video
XXX
XXXX
The Elder Scrolls: Skyrim
Apr 04, 2025
XXX Play Video
XXX
XXXX
World of Warcraft
Mar 29, 2025

2024 - CC

5000 Meter Run

XXX Play Video
XXX
XXXX
Assassins Creed
Oct 25-26, 2024
XXX Play Video
XXX
XXXX
The Elder Scrolls: Skyrim
Sep 28, 2024

Latest Videos All Videos

08:10
Boys Gold Race
Sep 23, 2023
03:37
Boys Maroon Race
Sep 30, 2022
2025 Indoor Rankings
ND National
1600m 5:11.45 999th 999th
2025 Outdoor Rankings
ND National
1600m 4:55.90 999th 999th
2024 Indoor Rankings
ND National
1600m 5:17.94 999th 999th
2024 Outdoor Rankings
ND National
1600m 4:53.57 999th 999th

See where Mason Seifert ranks.

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

Your Long Jump performance is better than XX% of Division 1 athletes when they were Junior in high school.

Personal Records High School
Outdoor
Long Jump 14-9
400 Meter Dash 58.86
800 Meter Run 2:14.48
1600 Meter Run 4:51.26
3200 Meter Run 11:08.83
Indoor
1600 Meter Run 5:11.45
3200 Meter Run 12:00.46
CC
3000 Meter Run 13:08.00
4000 Meter Run 16:45.10
5000 Meter Run 18:00.79