Lisa Galaviz, a standout runner at both Centennial High School and ASU, captured her first national championship, with a victory in the 3000 meter steeplechase.

Day 4 of the USA Track and Field Outdoor Championships was punctuated by thrilling photo finishes in the men’s 400 and 400 meter hurdle races, as well as a dominating performance by Sanya Richards in the women’s 400 meters.

Preliminary images from the 2006 USATF Outdoor Championships — Saturday