Most Improved Oklahoma Girls 300m Hurdles Marks Compared to 2025

Mar 13, 2026

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Improvement Rankings: Highlighting the top Oklahoma Girls 300m Hurdles performers this Outdoor Season compared their best results from 2025.

Most Improved - 300 Meter Hurdles

Comparing 2026 season to 2025 season

Rank	Improved	Athlete/Team	Class	2025 PR	2026 PR
1	-3.77	SIANNA SELBE Choctaw High School	2029	1:03.90	1:00.13
2	-2.70	Sophie Purdum Owasso	2028	55.34	52.63
3	-2.41	Jewel Newport Jenks High School	2028	51.20	48.78
4	-2.22	Reese Roberts Grove High School	2028	56.18	53.95
5	-1.81	Leila Mulkey Mustang High School	2028	55.77	53.96
6	-1.77	QUINN VERM...