The U.S. Olympic Track and Field Trials air live on NBC, NBCSN and Peacock from June 18-27 at the new Hayward Field in Eugene, Oregon.
In most events, the top three finishers are in line to qualify for Tokyo. The U.S. track and field team is always the largest of any sport — more than 120 athletes made it for Rio in 2016.
The headliners start with Allyson Felix, a nine-time Olympic medalist eyeing her fifth Games and first as a mom.
Felix, 35, entered both the 400m for the first weekend and the 200m for the second weekend in Eugene, seeking to tie the record for U.