Most Improved Colorado Boys 400m Marks Compared to 2025

Mar 13, 2026

This content requires a MileSplit Pro plan.
Join Now and select any plan for instant access!

MileSplit Pro Join Now

Improvement Rankings: Highlighting the top Colorado Boys 400m performers this Outdoor Season compared their best results from 2025.

Most Improved - 400 Meter Dash

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-9.25	Jasiah Alvarez Delta High School	2028	1:09.78	1:00.52
2	-6.24	Joshua Martinez Greeley Central High School	2026	1:18.45	1:12.21
3	-5.62	Nick Anderson Ridgway High School	2028	1:03.79	58.16
4	-4.65	Max Schuth Chatfield Senior High School	2026	1:05.83	1:01.18
5	-4.62	Joseph Lockett Frederick High School	2028	1:09.48	1:04.86