Camas runner Alexa Efraimson cruised through 1,500-meter qualifying Friday at the IAAF U20 World Championships in Bydgoczsz, Poland. The 19 year old had the second-fastest preliminary time, easily grabbing one of 12 spots in Sunday's final. Her time of 4 minutes, 13.12 seconds was behind only Kenya's Winfred Nzisa Mbithe, who won that preliminary heat in 4:12.39. Efraimson, who holds the U.S.