Question: These teammates born in the same year competing in the 2016 Olympics won gold and silver of this event.
Context: Vivian Jepkemoi Cheruiyot (born 11 September 1983) is a Kenyan long-distance runner who specialises in track and cross country running, olympic champion in 5000 metres event.  She represented Kenya at the 2000 Summer Olympics, the 2008 Summer Olympics, the 2012 Summer Olympics and the 2016 Summer Olympics, winning a silver medal at the 5000 m and bronze medal at the 10000 m at the 2012 Olympics, silver medal at the 10000 m and gold medal at the 5000 m at the 2016 Olympics, setting the new Olympic record in 5000 m event.  Cheruiyot won a silver medal in the 5000 metres at the 2007 World Championships in Athletics and became the world champion in the event at the 2009 edition, repeating this achievement at the 2011 World Championships, where she doubled up by winning the 10000 m. Javon Francis (born 14 December 1994) is a Jamaican sprinter.  He won silver medals in the 4×400 m relay at the 2013 World Championships and 2016 Olympics.  At the 2016 Olympics he also took part in the individual 400 m event, but was eliminated in the semifinal.  He was the flag bearer for Jamaica during the closing ceremony. Ross Murdoch (born 14 January 1994) is a Scottish competitive swimmer who has represented Great Britain in the Summer Olympics, the FINA world championships and the LEN European championships, and Scotland in the Commonwealth Games.  Murdoch won the gold medal in the 200 metre breaststroke at the 2014 Commonwealth Games in Glasgow, beating favourite, Olympic silver medalist and fellow Scot Michael Jamieson.  In 2015, he formed part of the Great Britain squad that won gold in the mixed 4 x 100 metre medley relay at the 2015 World Aquatics Championships, swimming in the qualifying heats, and adding a relay world title to the individual bronze won days earlier in the men's 100 metre breaststroke behind teammate Adam Peaty.  In 2016, he qualified for the 100m breaststroke for the Great Britain team in the 2016 Summer Olympics in Rio de Janeiro.  He later won his first European title with a gold medal in the 200 metre breaststroke, also picking up a silver medal in the 100 metre breaststroke silver medal behind teammate Adam Peaty and a bronze medal in the 50 metre breaststroke. DeAnna Marie Price (born June 8, 1993, in Moscow Mills, Missouri) is an American track and field athlete competing primarily in the hammer throw.  She represented her country at the 2015 World Championships in Beijing without qualifying for the final.  A month before the World Championships, Price finished fourth at the 2015 Pan American Games.  Then two weeks later.  Price picked up her first international medal by taking a silver behind Campbell at the 2015 NACAC Championships.  DeAnna Price placed third in hammer behind Team USA teammates Amber Campbell and Gwen Berry at the 2016 United States Olympic Trials and represented the United States at 2016 Olympics, finishing eighth. Andrey Yerguchyov (Russian: Андрей Ергучев , born 23 April 1995) is a Kazakhstani canoeist.  Competing in the four-man K-4 1000 m event he won a gold medal at the 2014 Asian Games and placed tenth at the 2016 Olympics.  At the Rio Olympics he also finished 12th in the K-2 200 m event. Melissa Pagnotta (born September 22, 1988 in North York) is a Canadian taekwondo fighter.  Pagnotta participated at the 2016 Summer Olympics in Rio de Janeiro, becoming the first Ontario representative in that sport.  She qualified to the 2016 Olympics by winning Silver at the Pan Am Olympic Qualification event in Aguascalientes Mexico.  Melissa saw success at the 2011 Pan American Games in Guadalajara where she won gold in the lightweight (under 67 kg) class.  She won a silver at the 2015 World Grand Prix in Moscow losing a close match to Korea in sudden death.  She has won the Pan Am Championships 4x (2005,2008, 2010 and 2014) and Commonwealth Championships 2x (2008 and 2014). David Alasdair Boudia (born April 24, 1989) is an American diver.  He won the gold medal in the 10 metre platform diving competition at the 2012 Summer Olympics, and the bronze medal in the same event at the 2016 Summer Olympics.  He has also won a silver medal in the men's synchronized 10 metre platform with Steele Johnson at the 2016 Olympics, and a bronze with Nick McCrory at the 2012 Olympics. John Russell Welchli (born March 6, 1929) is an American rower.  He was a member of the U.S. Olympic Rowing Team at the 1956 Summer Olympics, Melbourne, Australia.  Welchli rowing out of the Detroit Boat Club won a silver medal at the 1956 Olympics in the four without coxswain event along with DBC teammates James McIntosh and identical twin brothers John McKinlay and Art McKinlay.  In 1956 the Detroit Boat Club coached by Walter M. Hoover placed seven oarsman on the US Olympic Rowing Team winning 2 silver medals the other being in the double sculls event crewed by Pat Costello and James Gardiner.  The seventh member of the 1956 team was alternate Walter Hoover Jr. The seven 1956 Detroit Boat Club Olympic oarsman are known as the "DBC Seven."  Welchli also won a combined 32 Canadian and U.S. national gold medals during his distinguished career.  Welchli was a Master Senior Sculler competing up until 2010 and is considered one of the all time great American scullers. Adam Peaty, MBE (born 28 December 1994) is a British competitive swimmer who specializes in the breaststroke.  He has represented Great Britain at the Olympic Games, FINA World Championships, and European Championships, and England in the Commonwealth Games.  He won the gold medal in the 100m breaststroke at the 2016 Olympics, the first by a male British Swimmer in 24 years.  He is the current holder of the world record in 50 and 100m breaststroke. Péter Molnár (born 16 February 1986) is a Hungarian canoeist who had his best achievements in two-men and four-men events, partnering with Sándor Tótka.  Together they won a world title in 2015 and a European title in 2016 and placed fourth at the 2016 Olympics.  Individually Molnár won silver medals at the 2008 and 2011 European Championships and placed 15th at the 2016 Olympics.
Answer: 100 metre breaststroke