She envisioned it in her mind, practiced it in training and talked about it repeatedly with a sports psychologist.
She took several deep breaths, focused on calming her nerves, pictured the perfect shot in her mind and then fired a massive 10.8 points to win the United States' third gold medal in shooting during these Games. Her 691.9 total points, including a 99.9 in the final round, also set an Olympic record.
"This is a dream come true," the two-time Olympian said after the medal ceremony. "I made a plan and I stepped to it. It was just a great performance."
Ivana Maksimovic of Serbia won silver with a total score of 687.5 points, while the Czech Republic's Adela Sykorova took the bronze with 683.0.
Gray's victory marks only the second time since World War II that the United States has won three gold medals in shooting. It last had three shooters atop the podium in the 1984 Games.
Badminton: China swept the golds as expected. Li Xuerui beat teammate Wang Yihan for the women's gold. Saina Nehwal of India got the bronze. In women's doubles, Tian Qing and Zhao Yunlei beat Mizuki Fujii and Reika Kakiiwa of Japan. Valeria Sorokina and Nina Vislova of Russia won the bronze. The women's doubles competition was filled with scandal as four teams were expelled for purposely trying to lose a game earlier in the week.
Boxing: Only one U.S. boxer remains on the men's side after a decision reversal kept Errol Spence in the tournament. In other bouts Saturday, top-seeded light welterweight Everton Dos Santos of Brazil was upset by Roniel Iglesias of Cuba. Defending light flyweight champion Zou Shiming of China beat Yosbany Veitia of Cuba. And, flyweight Paddy Barnes of Ireland advanced by beating Devendro Laishram of India.
Diving: The U.S. qualified Cassidy Krug and Christina Loukas into the final of the women's 3-meter springboard. Krug was fifth and Loukas sixth. The scores do not carry over to the final. The top qualifier was Wu Mingxia of China.
Equestrian: In a surprise U.S. favorite Beezie Madden was eliminated from the individual jumping competition when her horse twice refused to jump. She finished 72nd in a field of 72. McLain Ward and Rich Fellers were in a 32-way tie for first and Reed Kessler was in a tie for 33rd. Team competition contines on Sunday.
Fencing: The U.S. won the bronze in women's team epee when it beat Russia, 31-30. The U.S. team is made up of Courtney Hurley, Kelley Hurley, Maya Lawrence and Susie Scanlan. China beat South Korea, 39-25, to win the gold medal.
Field hockey: On the women's side, the U.S. lost to New Zealand, 3-2. The U.S. can leave here with the consolation that it pulled a huge upset by beating Argentina earlier in the tournament. In other games, Netherlands beat South Korea, 3-2; China over Britain, 2-1; Australia over South Africa, 1-0; Argentina beat Germany, 3-1 and Japan and Belgium played to a 1-1 tie.
Rowing: On the final day of rowing, the U.S. team of Glenn Ochal, Henrik Rummel, Charles Cole and Scott Gault won the bronze medal in the men's four. Britain won the gold and Australia the silver. Britain picked up another gold in the lightweight women's double sculls, beating China and Greece. In lightweight men's double sculls, Denmark came away with the gold followed by Britain and New Zealand. Miroslava Knapkova of Czech republic won the gold in the women's single sculled. Fie Udby Erichsen of Denmark took the silver and Kim Crow the bronze.
Sailing: The Elliot round-robin racing is through its 66 races and ready to move to the quarterfinal knockout round. The U.S. crew of Anna Tuncliffe, Debbie Capozzi and Molly O'Bryan Vandemoer is in fourth place behind Australia, Russia and Spain. Paige Railey has qualified for the Laser Radial final on Aug. 5 based on a ninth place standing after 10 races. Xu Lijia of China is first. In men's windsurfing Robert Willis seems well out of it in 22nd after eight races. Dorian van Rijsselberge of Netherlands leads. Farrah Hall was in 22nd place in the women's windsurfing competition with Marina Alabau Neira of Spain the top qualifier through eight races. In the men's 470, Stuart McNay and Graham Biehl are in 19th as Australia leads after six races. The Laser competition is through 10 races and Tom Slingsby of Australia is on top with Rob Crane of the U.S. in 29th.
Soccer: In the most gut-wrenching game for the home crowd, Britain failed to advance on the men's side when they lost on penalty kicks, 5-4, to South Korea. The game was 1-1 after regulation. In other matches, Brazil over Honduras, 3-2; Mexico beating Senegal, 4-2 and Japan shutting out Egypt, 3-0.
Table tennis: In one of the most intriguing matchups of the tournament South Korea beat North Korea, 3-1, to advance to the quarterfinals of the men's competition. Last year the two countries played as one team in Qatar to promote world peace. On the women's side, China advanced and will play South Korea in the semifinals and Japan and Singapore will meet in the other.
Team Handball: In men's competition, Tunisia beat Britain, Sweden over Argentina, Serbia stopped South Korea, Croatia beat Denmark, Iceland over France and Spain over Hungary.
Trampoline: Canada won its first gold of the Games when Rosannagh MacLennan won the women's competition. Huang Shanshan of China got the silver and defending Olympic champion He Wenna picked up the bronze. Savannah Vinsant was the first U.S. competitor to make the finals since the sport was introduced in 2000. She finished sixth.
Weightlifting: Ilya Ilyin of Kazakhstan won the 207-pound class gold medal with a total lift of 922 pounds. Alexandr Ivanov of Russia was second (902) and Anatoli Ciricu of Moldova (897) was third. There was no U.S. entrant.