Many top-flight 800 runners get there after improving significantly between their sophomore and junior years. it's not universal, and some are already elite as sophomores, but this "junior jump" can be significant. In this article we'll look at a recent history of 10th-grade to 11th-grade progress, first for the top 100 800 runners in the Class of 2019 and then for this year's seniors. Finally, we look at the top 100 returning junior 800 runners, many of whom are getting ready to make that leap.
Click next to begin looking through three pages of boys 800 data, followed by the same sequence for the girls. Who are the best candidates to make the "junior jump" this spring?