Richard Jones runs the men’s 800 meter semi-final. (Meerah Powell/Emerald)

Ashley Spencer prepares to run the semi-final 400 meter dash. (Meerah Powell/Emerald)

First place winner Molly Huddle (center) stands with second and third place winners Shalane Flanagan (right) and Emily Infeld (left) after the women’s 10,000 meter final. (Meerah Powell/Emerald)

Tyler Pennel runs the 10,000 meter final. (Meerah Powell/Emerald)

Tyler Pennel and first place winner Galen Rupp run the men’s 10,000 meter final. (Meerah Powell/Emerald)

Men’s 10,000 meter final. (Meerah Powell/Emerald)

Hassan Mead collapses happily after taking third place in the men’s 10,000 meter final. (Meerah Powell/Emerald)

Third and second place winners Hassan Mead and Benjamin True rejoice after the men’s 10,000 meter final. (Meerah Powell/Emerald)

Flags fly high over the first day of the USA track and field outdoor championships. (Meerah Powell/Emerald)

Rupp accepts his seventh national title as the sun sets. (Meerah Powell/Emerald)