LONDON -- Nadzeya Ostapchuk of Belarus won the women's shot put gold medal at the Olympics on Monday night, upending defending champ Valerie Adams of New Zealand.
Ostapchuk, a bronze medalist four years ago at Beijing, threw 70 feet, 1 inch to score a rare win over her rival. Adams threw 67-11 for second place and Evgeniia Kolodko of Russia took the bronze with a personal best of 67-2 1/4.
American Michelle Carter, daughter of former 49ers star Michael Carter, threw 63-8 3/4 in the final to place sixth.
Two-time Olympian Jill Camarena-Williams, formerly of Staford, bowed out in the morning prelims, throwing just 59 feet, 9 1/2 inches.
"I hurt myself this last week, and I haven't been able to practice pretty much the whole time I've been in England," she said. "It's been a rough go, but I just wanted to go out and try my hardest, and that is what I did."
Camarena expected to improve on her 12th-place finish in Beijing four years after after a breakthrough summer in 2011. She became the first American to claim a medal in the event at the IAAF world championships, finishing third in Daegu, South Korea, and tied the 23-year-old U.S. record with a throw of 66-2 1/2.
Camarena has a history of back problems, but remained healthy in recent years, in part due to the assistance of husband and trainer Dustin Williams. She withdrew from a meet in Europe just before the Olympics because her back flared up, but Dustin Williams later said in an email to this newspaper she was feeling better.
In London, Camarena was attempting to become the first American on the women's shot put medal podium since Earlene Brown won bronze in 1960.