The first medal ever in steeplechase for U.S. women, a world record in women's hammer throw and a marathon swim in Rio's polluted waters.
Here are some noteworthy numbers from Day 10 of the Summer Games:
1st: Emma Coburn became the first American woman to win an Olympic medal in women's 3000m steeplechase. She clocked 9:07.63 to break her own American record and secure the bronze.
1: The number of swimmers disqualified from open water swimming competiton. France’s Aurélie Muller and Italy’s Rachele Bruni were both near the finish line, vying for the second spot, when Muller dunked the Italian to stop her from touching the board first. She was disqualified, prompting Brazil’s fourth-placed Poliana Okimoto to get the bronze medal. It's her country’s first female swimming medal.
1: The lone Russian track and field athlete at the Olympics has won her appeal to compete at the Rio de Janeiro Games. The Court of Arbitration for Sport ruled early Monday morning that long jumper Darya Klishina is eligible to take part in Tuesday's qualifying. Klishina was the only one of 68 Russians cleared to participate in Rio by the IAAF, largely because she has been based outside Russia for the past three years. But the sport's governing body banned her from the Olympics last week after receiving what it said was new information. CAS ruled that Klishina was eligible to compete because she fulfilled the requirements set by the IAAF.
1 hour, 56 minutes and 32.1 seconds: The time it took Sharon van Rouwendaal of the Netherlands to complete the women's 10-kilometer open water swimming at Fort Copacabana and win gold. A 16-month long independent analysis by The Associated Press has shown the water venues used by 1,400 athletes at the Rio Olympics are teeming with dangerous viruses from human sewage that could cause athletes to become ill.
3: The number of games U.S. men won in a row in volleyball after losing their first two games in Rio. The Americans were swept in the Olympic opener by Canada and then lost to Italy. The turned things around with a win over Brazil and carried that into Saturday's four-set victory against France. On Monday, Team USA beat Mexico.
3: The number of marriage proposals so far at the Rio Games — at least public ones. Race walker Tom Bosworth proposed to his boyfriend on Copacabana Beach, according to his social media posts on Monday. Also feeling love in the air: A Brazilian rugby player and her girlfriend, and two Chinese divers.
7: American sprinter Allyson Felix won a silver medal in the women's 400 meter, becoming the most decorated U.S. woman in Olympic track-and-field history with seven medals, breaking a tie with Jackie Joyner-Kersee.
17: Day 10 of the Rio Games features athletes competing for 17 gold medals. On the track, world champion Allyson Felix of the United States will be going for her fifth career Olympic gold medal in the women's 400-meter final. Medals are also up for grabs in men's pole vault and men's 800 meters. Simone Biles, the Olympic all-around champion, failed to win her fourth gold medal in Rio, this time on the balance beam. She took the bronze.
82.29: Anita Wlodarczyk of Poland recorded the two best marks in history to win the Olympic women's hammer throw final, improving the world record to 82.29 meters. The 31-year-old world champion dominated the final after throwing an Olympic record 80.40 on her second attempt, twice throwing beyond her previous world-record mark of 81.08. Wlodarczyk's third attempt was her best and locked up the gold, and she followed up with 81.74 with her fifth.