Most Improved Colorado Girls 400m Marks Compared to 2025

Apr 03, 2026

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Improvement Rankings: Top Colorado Girls 400m marks compared to their season’s best performances from 2025.

Most Improved - 400 Meter Dash

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-18.99	Aliyah Robinson Brighton High School	2028	1:33.09	1:14.10
2	-18.68	Ava Smith Basalt High School	2026	1:29.29	1:10.61
3	-15.76	Emily Bernabe Fort Morgan High School	2028	1:31.04	1:15.28
4	-13.15	Ra'Zyah Roberts Vista Peak High School	2028	1:25.82	1:12.67
5	-11.48	Dani Ramirez Adams City High School	2028	1:22.96	1:11.48
6	-9.77	...