An athlete walks in front of the large Nike advertisement featuring former Olympic and Oregon track coach Bill Bowerman. (Jeff Matarrese/Oregon Daily Emerald)

Construction crews work to transform the turf fields outside the student rec center for the Olympic Trials. (Tess Freeman/Oregon Daily Emerald)

Trainees for Castle Kettle Corn learn how to make kettle corn on Wednesday afternoon in preparation for the 30,000 people expected to attend the Olympic Trials. (Tess Freeman/Oregon Daily Emerald)

A man runs down 15th street by the newly constructed stands at Hayward field. Venders and construction crews worked all Wednesday in preparation for the opening day on June 22nd. (Tess Freeman/Oregon Daily Emerald)

Athletes train on the track at Hayward Field in Eugene, Ore. just two days before the start of competition in the 2012 Olympic Trials. With the exception of the hammer throw, which is held at Nike’s campus in Beaverton, Ore., all the events will be held in the historic venue. (Jeff Matarrese/Oregon Daily Emerald)