High temperatures didn't slow the field much in a variety of races in Eagle Rock, Calif.
Mario Fraioli provides an update from the finish line on Boylston Street and recaps the B.A.A. 5K and Invitational Mile.
Uceny won her third title in four years, while Willis repeated his win from 2013.
The New Zealand native is gearing up for another year of competing in middle-distance races.
Bernard Lagat going after American, world records in rarely run 2,000m event.
Check out these great shots from a stellar night of indoor at the Reggie Lewis Center!
His Oregon Project teammate, Matthew Centrowitz, has withdrawn from the race.
Also competing will be Alan Webb, who is retiring from professional running to focus on triathlon
The special event will honor the late Finnish distance running legend as part of the Millrose Games.
The 17-year-old high school senior turned professional last year and is now coached by Alberto Salazar.