East Lake junior, Parker Valby, improved by 50.13 seconds from this time last year to run a current US No. 1 of 10:34 in the 3200m. She also improved by 23.66 seconds in the 1600m to run a 5:00.01 at the East Lake Early Bird Invitational.
We took a look at the top 25 year over year improvements in each event from the first week of the regular season. We compared times and distances from 2019 to those who competed this same week in 2018 to see who improved the most in each event.