The World Athletics U20 Championships is a biennial world championships for the sport of athletics organised by the World Athletics, contested by athletes in the under-20 athletics age category (19 years old or younger on 31 December in the year of the competition.
Antonietta Di Martino is a retired Italian high jumper. She currently holds the Italian national women's high jump record at 2.03 metres for outdoor events and 2.04 metres for indoor events. She also currently holds the women's all-time highest jump-differential, meaning she has jumped the highest more than her own height.
Li Lingwei is a Chinese track and field athlete who specialises in the javelin throw.
Lü Huihui is a Chinese athlete who competes in the javelin throw. She won the silver medal at the 2015 World Championships and bronze medals at the 2017 and 2019 World Championships.
Marharyta Serhiïvna Dorozhon is an Israeli javelin thrower. Born and raised in Ukraine, she competed for that country until she became an Israeli citizen in 2014.
Morgan Lake is a British high jumper. She won the silver medal at the 2018 Commonwealth Games and placed fourth at the 2022 Commonwealth Games. Lake finished sixth in the 2017 World Championships in Athletics and fourth in the 2018 World Indoor Championships.
Liu Shiying is a Chinese athlete who competes in the javelin throw. She is the first Asian athlete to win an Olympic gold medal in women's javelin throw.
Christin Hussong is a German track and field athlete who competes in the javelin throw. She has won gold at the 2011 World Youth Championships, 2015 European U23 Championships and at the 2018 European Championships. Hussong holds the European Championships record with her personal best throw of 69.19 m.
Kelsey-Lee Barber is an Australian track and field athlete who competes in the javelin throw. She won gold at the 2019 World Championships, and her personal best of 67.70 m ranks her 13th in the overall list.
Konstanze "Koko" Klosterhalfen is a German middle- and long-distance runner. She is the 2019 World Championship bronze medallist and 2022 European champion in the 5000 metres, becoming the first German medalist of the event at the World Athletics Championships and the first German winner of the event at the European Athletics Championships. At the European Indoor Championships, Klosterhalfen won silver medals for the 1500 metres in 2017 and the 3000 metres in 2019 and 2023. She took four individual medals at the European Cross Country Championships. In February 2020, she set a European indoor record in the 5000 m with 14:30.79, the fourth fastest time ever.
Anderson Peters is a Grenadian javelin thrower and the 2019 and 2022 world champion in the event. He is a multiple time CARIFTA Games champion at the discipline and in 2016 earned a bronze medal at the 2016 IAAF World U20 Championships in Bydgoszcz, Poland, setting a new Grenadian national record and OECS record at the same time.
Sara Fantini is an Italian female hammer thrower. She competed at the 2020 Summer Olympics, in Hammer throw.
The 2018 World U20 Championships in Athletics, also known as the World Junior Championships, was an international athletics competition for athletes qualifying as juniors which was held at Tampere Stadium in Tampere, Finland on 10–15 July 2018. The championships were originally awarded to Tampere by the IAAF in March, 2016.
The women's javelin throw at the 2018 IAAF World U20 Championships was held at Ratina Stadium on 10 and 11 July.
Carolina Visca is an Italian female javelin thrower, born in Rome from Italian father and Colombian mother. who won several medals at youth level.
The women's hammer throw at the 2018 IAAF World U20 Championships was held at Ratina Stadium on 12 and 14 July.
The men's javelin throw at the 2018 IAAF World U20 Championships was held at Ratina Stadium on 13 and 14 July.
Simone Cairoli is an Italian male decathlete, who won six national championships. In 2017 with his personal best had reached the 5th place in the national all-time lists and 52nd place in the seasonal world lists.
Italy 
