What: The 2017 Prefontaine Classic track and field meet
Where: Hayward Field, Eugene
When: Action begins Friday at 7:34 p.m. with the women's javelin and at 12:40 Saturday with the men's pole vault.
TV: Friday at 8 p.m. on NBCSN and NBC Gold. Saturday at 1 p.m. on NBC and NBC Gold.
The skinny: Arguably the world's best track meet not called the Olympics. Admission Friday is free. Friday's schedule includes an expected attempt at the world record in the women's 5,000 meters by Genzebe Dibaba.