There are just a few weeks left in the cross country season, and PRs are coming left and right.
Rio Rico (AZ) High School senior Samantha Schadler, for example, put down a memorable race at NXR Southwest, winning the region with a career best effort of 17:06.15 to book her second straight trip to Nike Cross Nationals.
Who ran the strongest across the nation this week?
Check the times to see whether you made the cut for the nation's top 500 times this weekend during championship runs.
Top 500: Boys List - Girls List