Most Improved Colorado Girls 400m Marks Compared to 2025

Mar 27, 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	-16.03	Ava Smith Basalt High School	2026	1:29.29	1:13.26
3	-15.76	Emily Bernabe Fort Morgan High School	2028	1:31.04	1:15.28
4	-11.48	Dani Ramirez Adams City High School	2028	1:22.96	1:11.48
5	-9.77	Isabel Felix Delta High School	2028	1:23.97	1:14.19
6	-8.50	Emeral...