Marita Koch is a German former sprint track and field athlete. During her career she set 16 world records in outdoor sprints as well as 14 world records in indoor events. Her record of 47.60 in the 400 metres, set on 6 October 1985, still stands.
The Buenos Aires Underground, locally known as Subte, is a rapid transit system that serves the area of the city of Buenos Aires, Argentina. The first section of this network opened in 1913, making it the 13th earliest subway network in the world and the first underground railway in Latin America, the Southern Hemisphere, and the Spanish-speaking world, with the Madrid Metro opening nearly six years later, in 1919. As of 2023, Buenos Aires is the only Argentine city with a metro system.
Kathryn Jane Cook is a former elite athlete, specialising in sprint and sprint relays. She is one of the most successful female sprinters in British athletics history. She is three-times an Olympic bronze medallist, including at 400 metres in Los Angeles 1984. Her other individual achievements include winning the 200m at the 1981 Universiade, finishing second in the 100m at the 1981 World Cup, and winning a bronze medal in the 200m at the 1983 World Championships. She is also three-times a winner of the British Athletics Writers' Association Female Athlete of the Year Award (1980–82).
Anders Holmertz is a Swedish retired swimmer who was a leader in freestyle races in the 1980s and at the beginning of the 1990s, though often missing personal success. He also settled a record in the 400 m freestyle. He is the brother of another Swedish swimmer, Mikael Holmertz.
The Buenos Aires–Rosario–Córdoba high-speed railway was a project designed to link the Argentine cities of Buenos Aires, Rosario and Córdoba through a 710 km (440 mi) high-speed rail network.
Paul Biedermann is a German retired competitive swimmer, a 200 and 400 metre freestyle long course world champion. He holds the long course and short course world records in the 200 meters freestyle, and the long course world record in the 400 meters freestyle.
Cristián Reyes is a Chilean sprinter who specializes in the 200 metres.
Matteo Galvan is an Italian athlete who specializes in the 200 and 400 metres. His career highlight so far is the 2009 European Indoor Championships, where he placed sixth in the 400 metres and won a gold medal in the relay.
Geisa Aparecida Muniz Coutinho is a Brazilian track and field athlete who competes in the 400 metres sprint. She represented Brazil at the 2004 Summer Olympics and at the 2012 Summer Olympics and is a four-time participant in the World Championships in Athletics. Her personal best in the 400 m is 51.08 seconds, and she holds the South American record of 3:26.68 minutes for the 4×400 metres relay.
Aílson da Silva Feitosa is a Brazilian track and field athlete who competes in the sprints, specialising in the 200 metres. He is a frequent member of the Brazilian 4×100 metres relay team and won three gold medals for his country in 2011, taking titles at the South American Championships in Athletics, Military World Games and Pan American Games.
Jennifer Padilla González is a Colombian track and field athlete who competes in the 200 metres and 400 metres sprint events. Her first name is also spelled Yenifer of Yennifer.
Carlos Alberto Gats is a former Argentine athlete specializing in the sprinting events. He twice competed at the Olympic Games, at the 1996 Atlanta Games and 2000 Sydney Games. He is the current national record holder in the 100 and 200 metres outdoors and 200 metres indoors.
Kristóf Milák is a Hungarian swimmer. He is the current holder of the world record in the long course 200 metre butterfly and the European record in the long course 100 metre butterfly. At his first Olympic Games, the 2020 Summer Olympics, he won a gold medal in the 200 metre butterfly and a silver medal in the 100 metre butterfly. He has also won three gold medals and one silver at the World Aquatic Championships, as well as three gold medals at the European Aquatics Championships. He was the gold medalist in the 400 metre freestyle, 200 metre freestyle, and 200 metre butterfly events at the 2018 Summer Youth Olympics.
Fiorella Chiappe y Madsen is an Argentine athlete specialising in the 400 metres hurdles. She won the gold medal in the 400 metres hurdles at the 2018 South American Games and holds the national record of 56.08. Previously she competed in the heptathlon winning, among others, a silver medal at the 2014 South American Games.
Yang Junxuan is a Chinese swimmer specializing in freestyle events. At the 2020 Summer Olympics, she won gold in the 4x200 metre freestyle relay.
Jacob El Aida Chaffey is a Maltese track and field sprinter who most notably competed at the 2018 Summer Youth Olympics in Buenos Aires, and the 2018 IAAF World Indoor Championships, in Birmingham. El Aida also has a twin brother, Omar El Aida Chaffey.
Wang Kuan-hung, also known as Eddie Wang, is a Taiwanese swimmer who specializes in butterfly and freestyle events.
Guðbjörg Jóna Bjarnadóttir is an Icelandic sprinter competing in the 60 metres, 100 m and 200 m. She won the gold medal in the 200m at the 2018 Youth Olympics Games. She claimed gold in the 100 m and bronze in the 200 m at the 2018 European Under-18 Championships.
Olga Beatriz Conte is a retired Argentine sprinter specialising in the 200 and 400 metres. She represented her country at the 1991 and 1997 World Championships. In addition she won multiple medals on continental level.
Ana María Comaschi is a retired Argentine athlete who competed primarily in the combined events as well as in some individual events. She represented her country in the heptathlon at the 1991 World Championships in Tokyo finishing 23rd.
Argentina 