* Athing Mu (left) improved nearly 3 seconds in the 800m in 2018 -- and fun fact: she hasn't even raced that much yet!
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At a very elite level, even the best girls at 800 meters are getting better.
One glance at the year-over-year improvements of the top 2,000 girls in the country at 800m indicates that some very serious work was put in before the 2018 season.
But even better, there's a secondary level to pay attention to as well. Across the country, a ridiculous amount of improvement was shown by girls at all levels -- seniors, underclassmen, second-year runners, etc.
Check out both lists below.
Top 2,000 Girls In 800 Year-Over-Year - Top 2,000 Improvement Girls In 800 Year-Over-Year