Year-Over-Year Improvements: 2016 To 2017 Deltas In The Boys' Throws

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With the outdoor track season done and gone, it's time to look back on some of the biggest improvers from one year to the next. Today, let's take a look at the boys' throwers. A number of boys have made some big strides from one year to the next like Chambersburg's Kelton Chastulik (above), who made some strong improvements in the shot and disc since last year.

We calculated each athlete's progression or regression in the boys' shot put, discus, and javelin:

Shot Put | Discus | Javelin

Note: List uses performances in the MileSplit database. To be included, athletes must have both 2016 and 2017 performances in the database. No hand-times were used; only F.A.T. Under 'difference', regression is indicated in parentheses and progression is indicated without parentheses.