Emeri Cotton, eight, shattered national records in 100m and 200m at the AAU Junior Olympics. She ran 100m in 13.67 seconds, breaking the previous record of 13.85. The next day, she clocked 27.36 in the 200m, surpassing her own record of 27.99.

Competing in Des Moines, Iowa, Cotton traveled over 1,000 miles from Delaware. She holds the under-8 record in 400m as well, with a time of 1:04.33. The finals for both events are scheduled for Saturday, offering potential for further records. Read more racing coverage.

Cotton's family emphasizes balance, ensuring she remains a child. Her father, Sam Cotton, and mother, Amber Wise, both had track backgrounds. Her grandfather founded a local youth running club where she trains. Related: Wendy Alexis sets new Canadian W70 100m record.

This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.