Riley Chamberlain, a Brigham Young-bound senior at Del Oro High in California, doubled in the girls invitational 800 meters and 1,600 meters at the 39th Sacramento Meet of Champions at American River College in Sacramento. Chamberlain clocked 4:45.42, covering the final lap in 70.51 seconds, and returned to win the invitational 800 meters in 2:14.55, closing in 64.51 seconds.