Sacred Heart Prep grad Derek Ackerman shot a two-round 5-under 137 at Bayonet Gold Club in Seaside to qualify for the U.S. Amateur Championships at Pebble Beach beginning Aug. 19.
Ackerman, who plays out of Santa Clara, had rounds of 67 and 70 at the qualifying event, which ended Wednesday. He finished a stroke behind Uplands' Josh McCollum, who attends Chico State, for medalist honors. Granite Bay's Bryan Baumgarten also qualified.
Sacred Heart Prep golfer Finn O'Kelly, a resident of Woodside, also competed.
Concord's Yealimi completed her dominant run through the Junior PGA Championship, shooting a 3-under 69 on the final day at Kearney Hills Golf Links in Lexington, KY on Thursday.
Yealimi, a UCLA commit, recorded a four-day total of 264, beating defending champion Rose Zhang by four strokes.
Redwood Shores resident Lucy Li placed sixth with a 275 after firing an even-par 71 on the final day.
Stanford commit Brooke Seay, from San Diego, improved her position by another four spots, finishing 17th with a 283. Both Seay and Li are scheduled to compete in the U.S. Girls' Junior Championships at Pebble Beach beginning Monday.
Stanford sophomore Michaela Gordon won her first two rounds in the qualifying draw of the ITF Championships of Honolulu last weekend and then fell to Romania's Anrdeea Ghitescu, 6-3, 6-2, in the final round.
Gordon beat fellow American Sabastiani Leon, 6-3, 6-1, and Alyssa Tobta, 7-6 (4), 1-6, 6-3, in her first two matches.
Gordon is scheduled to play in the qualifying tournament of the $60,000 Berkeley Tennis Club Challenge this weekend. Stanford grads Nicole Gibbs (ranked 113) and Kristie Ahn (147) are entered in the main draw.
Gibbs reached the third round of qualifying at Wimbledon before losing to American Claire Liu, 6-4, 6-3.
Gibbs won the $25,000 Naples Challenger in Florida in June but is 13-13 in all matches played since the beginning of March.
Ahn won the $80,000 Tyler Challenger last November but has reached one quarterfinal since.
Women's track and field
Stanford's Ashlan Best placed eighth in the women's 400-meter final at the IAAF World Under-20 Track and Field Championships on Thursday in Tampere, Finland.
Best ran 53.59, a day after running a lifetime best and Stanford freshmen record 53.24 in the semifinals at Ratina Stadium.