Most Improved: Top Boys 400m Times Compared To Last Season

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Photo: Chris Langford/MileSplit Texas

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Out of the top 400m times in 2025, here are the most improved boys in the 400m meter dash this outdoor season compared to a year ago. 

NOTE: Athletes who have not improved their times year-over-year are not included

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ATHLETE20252024DIFFERENCE
Kameran Warren- Booker T. Washington49.541:02.04-12.5
Keith Gaines - Alcovy49.121:01.11-11.99
Ezariah Taylor - Potterville50.851:02.64-11.79
Lorenzo D'Ambrosi - Lake Washington High School51.071:01.02-9.95
Tyler Harrison - Holliday High School50.821:00.64-9.82
Maurice Mewborn - Sebastian River HS48.9758.58-9.61
Tobias Garrison- Alter51.111:00.72-9.61
Luigi Vargas - Copper Canyon High School50.8459.54-8.7
Easton Baker - Blackman High School51.1759.63-8.46
Greyson Snow - St. Louis High50.6158.95-8.34
DaiVion Dudley- Tates Creek50.9759.19-8.22
Enqi Ha - Chantilly50.3158.49-8.18
Xzavion Perry - Baker49.3557.48-8.13
William ROBERTS -...