* Jaden Price-Whitehead has improved by over a foot year-over-year in the long jump
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The country's top long jumpers have made big gains in 2020.
A total of 27 boys have scored PRs by over four feet in the new year, while over 1,000 have seen career marks in the pit across the season.
Check out the biggest improvers in the country below.
Index: Year-Over-Year Progression - Top 500