The Class of 2021's Most Improved: 400 Meter Dash

Oconomowoc's Zachary Zenner (pictured above in lane 4) made a 5.64 second jump in his 400m time, closing his high school career with a personal best time of 48.78 and a state title in the race. Next to him in lane 5 is Middleton's Thomas Blumer, who made the largest jump in time from freshman to senior year, improving by over six seconds.

From freshman to senior year, see which Class of 2021 seniors made the biggest improvements throughout their four years of high school track and field.

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