Tatum Olesen, a senior at Menlo-Atherton High in California, won the girls 800 meters in 2:11.21 at the Stanford Invitational at Cobb Track and Angell Field in Palo Alto, Calif. Olesen also helped Menlo-Atherton secure second place in the distance medley relay, joining Annie Pflaum, Clarissa Gong and Cleo Rehkopf to clock 12:26.52.