Most Improved Montana Boys 400m Marks Compared to 2025

Apr 03, 2026

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

MileSplit Pro Join Now

Improvement Rankings: Top Montana Boys 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	-15.25	Wyatt Bullcalf Browning High School	2027	1:14.54	59.29
2	-9.56	Bailey Herndon Forsyth High School	2028	1:15.99	1:06.43
3	-4.33	Conor Barrett Augusta High School	2026	1:04.44	1:00.11
4	-4.29	Austin Mangold Simms High School	2028	1:11.44	1:07.15
5	-3.82	Preston Welch Shepherd High School	2027	55.83	52.01
6	-3.25	Oliver Keith ...