2014

In 2014 Season, Dina debuted at the 2014 Moscow Grand Prix competing in the senior international tournament division. Dina appeared in her first World Cup competition at the 2014 Lisboa World Cup where she won the all-around bronze medal behind Melitina Staniouta. In the event finals: she won silver in clubs and bronze in ribbon. On 23–27 April, Dina competed in senior nationals at the 2014 Russian Championships where she finished 6th in the all-around.^{[citation needed]}

2015

In 2015 season, Dina started her season at the 2015 Moscow Grand Prix, she then competed at the Corbeil-Essonnes International Rhythmic Gymnastics Tournament where she won the all-around silver medal behind twin sister Arina Averina, she qualified to 4 event finals, taking gold in ribbon (tied with Arina), silver medals in hoop, ball and placed 6th in clubs. On 7–9 August, Dina competed at the MTK Budapest taking gold in the all-around, hoop, ball, clubs and a silver in ribbon. Dina followed another gold medal win in the all-around at the 2015 Dundee International Tournament in Sofia, ahead of twin sister Arina.^{[citation needed]}

2016

In 2016, Dina began her season competing at the 2016 Grand Prix Moscow finishing 6th in the all-around and qualified to the hoop final.^[15] On 26–28 February, Dina competed in the first World Cup of the season at the 2016 Espoo World Cup finishing 6th in the all-around; she won bronze in ball, placed 4th in hoop, clubs and 6th in ribbon.^[16] Dina then competed in the senior division at the International tournament in Lisbon where she won the all-around gold and all apparatus finals. At the 30th Thiais Grand Prix event in Paris, Dina finished 9th in the all-around.^[17] On 1–3 April, Dina competed at the 2016 Pesaro World Cup where she finished 5th in the all-around with a total of 73.500 points, she qualified in all apparatus after teammate Yana Kudryavtseva withdrew from the event finals, Dina won silver in ball, ribbon and bronze in hoop, clubs. Dina won the all-around bronze at the 2016 Russian Championships held in Sochi.^[18] On 6–8 May, Dina competed at the Brno Grand Prix taking bronze in the all-around with a total of 72.850 points; she qualified to 3 apparatus taking silver in hoop, ribbon and placed 4th in clubs. On 13–15 May, Dina won the all-around bronze at the Bucharest Grand Prix with a total of 73.100 points, she qualified to all apparatus finals: taking silver in clubs behind Salome Pazhava, bronze in hoop, ball (tied with Katsiaryna Halkina) and 7th in ribbon. On 27–29 May, Dina finished 5th in the all-around at the 2016 Sofia World Cup with a total of 72.900 points, she qualified in hoop finals placing 4th behind sister Arina Averina. On 1–3 July, Dina competed at the 2016 Berlin World Cup where she won the All-around gold medal with a total of 74.050 points, she qualified to all apparatus taking gold in Ball, Ribbon, placed 4th in Hoop and 8th in Clubs.^[19] On 22–24 September, Dina competed at the 2016 Grand Prix Final in Eilat, Israel where she won the all-around bronze medal with a new personal best total of 74.450 points, she qualified in 2 apparatus finals taking silver medal in ball and placed 5th in clubs.^{[citation needed]}

2017: First World Title

In 2017, Dina's season began in competition at the 2017 Grand Prix Moscow where she won the all-around gold medal with a new personal best total score of 76.050 points, she qualified to all the apparatus finals taking gold in hoop, clubs, ribbon and a silver medal in ball behind Aleksandra Soldatova.^[20] Dina then participated in the organized Desio-Italia Trophy where she won the All-around and team gold medal (together with Twin Sister Arina). On 10–12 March, Dina became the All-around champion at the 2017 Russian Championships ahead of defending champion Aleksandra Soldatova who finished in 2nd place respectively.^[21] On 24–26 March, Dina then competed at the Thiais Grand Prix where she won the all-around gold with a total of 74.500 points, she qualified to all the event finals taking gold in hoop, ball, clubs and silver in ribbon.^[22] On 7–9 April, Dina competed in the first World Cup of the season at the 2017 Pesaro World Cup where she won silver in the all-around behind teammate Aleksandra Soldatova, she qualified to all the apparatus finals winning 3 gold medals in ball, clubs, ribbon and a silver in hoop.^[23] Her next event was at the 2017 Tashkent World Cup where Dina won gold in the all-around ahead of sister Arina Averina, she qualified to all the apparatus finals taking gold in clubs, and 3 silver medals in ball, hoop and ribbon. On 19–21 May, at the 2017 European Championships in Budapest, Hungary, Dina was member of the Golden winning Russian Team (together with senior individuals: twin sister Arina Averina, Aleksandra Soldatova and the junior group) scoring a total of 182.175 points which was more than 11 points ahead of their nearest competitor team Belarus. Dina qualified to 3 apparatus finals taking 2 gold medals in hoop, ribbon and a silver medal in clubs behind Arina Averina.^[24] On 23–26 June, Dina then competed at the 2017 Holon Grand Prix taking silver in the all-around behind Arina, she qualified 3 apparatus finals winning gold in ball, silver in clubs and placed 6th in hoop. At the quadrennial 2017 World Games which was held in Wrocław, Poland from 20 to 30 July, Dina won the gold medal in clubs and three silver medals in hoop, ball, ribbon.^[25][26] On 11–13 August, Dina competed at the 2017 Kazan World Challenge Cup and won the all-around gold medal edging out sister Arina who won the silver medal, Dina qualified in all the apparatus finals and won 2 gold medals in hoop, clubs, a silver in ribbon and finished 8th in ball.^[27] At the 2017 World Championships held on 30 August – 3 September in Pesaro, Italy, in the first day of the apparatus finals; Dina won Gold in Hoop (19.100) and Silver in Ball (18.700).^[9] The following day, she won another Gold in Clubs (19.000) and Silver in Ribbon (17.200).^{[citation needed]} During the individual all-around finals, she accumulated scores in (Hoop: 18.850, Ball: 18.550, Clubs: 18.850, Ribbon: 18.450) scoring a total of 74.700 points to become the new All-around Champion edging out twin sister Arina Averina who took the silver medal respectively.^[28]

2018: Second AA World title

In 2018, Dina's season began in competition at the 2018 Grand Prix Moscow, where she won the all-around gold, she qualified to 3 apparatus finals taking gold with hoop, clubs and silver with ball. On 24–25 March, Dina took gold in the all-around at the 2018 Thiais Grand Prix; she qualified in 3 apparatus finals where she won gold in ball, ribbon and silver in clubs. On 13–15 April, Dina then competed at the 2018 Pesaro World Cup, winning gold in the all-around; in the event finals, she won gold in ball and clubs, a silver in hoop and placed 4th in ribbon. She competed at the 2018 Sofia World Championships, winning Gold in the All-Around, Hoop, Ball and Clubs.^{[citation needed]}

2019

Dina won gold in team, hoop and ribbon at the 2019 European Championships. She also competed at the 2019 European Games, winning gold in all-around, hoop and ribbon, silver in clubs and bronze in ball.^{[citation needed]} At the 2019 World Championships in Baku, she won the All-Around Gold for the third year in a row, as well as gold in the ball, clubs and ribbon final and bronze in the hoop final. She also won Team Gold, together with Ekaterina Selezneva and her sister Arina Averina.

2021: Controversial Silver at Tokyo Olympics

Dina started the season at the Moscow Grand Prix, where she won gold ahead of her silver and bronze compatriots Arina Averina and Lala Kramarenko. In the finals of apparatus, she won gold in ball and ribbon, silver in hoop and bronze in clubs. At the Tashkent World Cup, she also won full gold ahead of Arina Averina and Anastasiia Salos, and gold on hoop, silver on ball and clubs, and bronze on ribbon in the finals. In the Pesaro World Cup, she also achieved full gold ahead of Arina Averina and Alina Harnasko, and in the finals, she achieved gold in hoop, silver in ball and ribbon, and bronze in clubs. From 9–13 June, she competed in the European Rhythmic Gymnastics Championships, in Varna, Bulgaria, achieving bronze in the general final, behind Boryana Kaleyn, and in the apparatus finals she achieved gold in hoop, ball and ribbon, and silver in clubs. By teams with Lala Kramarenko, Arina Averina and the Russian group, they achieved first place. At the Moscow Challenge World Cup, the last competition prior to the Olympic Games, she achieved complete gold ahead of Lala Kramarenko and Ekaterina Vedeneeva, and took gold in all apparatus finals. Her sister Arina, was removed from the competition list the day before, and was replaced by Kramarenko.^{[citation needed]}

At the 2020 Tokyo Olympics, Dina Averina was the Top Qualifier, ahead of her sister Arina Averina who was second. In the All-Around Final Dina lost to Linoy Ashram from Israel and finished second with a silver medal, with a total score of 107.650.^[29] Thus Russia finished for the first time without a gold medal in the sport since 1996.^[30] The Results of the Games were controversial, mainly because Ashram had a drop in her ribbon routine. The ROC and the head coach of the Russian Team, Iriner Viner accused the judges of bias towards Linoy Ashram and called the results an „injustice“.^[31] They also requested several inquiries during the final. However, many argued that Ashrams difficulty was higher than Averinas, which allowed her to win the Gold despite the drop in her ribbon routine.

The Russian Olympic Committee (ROC) has officially launched a complaint to the International Gymnastics Federation (FIG) over the all-around rhythmic result at Tokyo 2020, with a Foreign Ministry spokeswoman calling the outcome a "forgery".^[32] The FIG responded to this, stating that „ Following this process, we can confirm that no bias or irregularities were identified in the judging panels.“ and that „The FIG has set up strict criteria for objective selection of the most qualified and unbiased judges for the Olympic Games and we are pleased by their work.“^[33] Ashram was the first non-Russian gymnast to win the gold since Ukraine's Ekaterina Serebrianskaya at Atlanta 1996.

After the Olympic Games

Later, the Averina twins returned to competition after the Olympic Games with their new coach Yulia Barsukova, at the international Olympico Cup tournament in Moscow, where Dina launched a new club routine, and her sister a new club and ribbon routine. Dina was champion ahead of Arina Averina and Elzhana Taniyeva. Dina competed in the Rhythmic Gymnastics World Championships in Kitakyushu, Japan, where in the apparatus finals she won gold in hoop, ball and clubs, and in ribbon she won silver, surpassed by Alina Harnasko. In the all-around final, Dina again took the all-around gold and the title of World Champion for the fourth time in a row, becoming the gymnast with the most world titles (Beating the record of Maria Gigova, Maria Petrova, Evgenia Kanaeva and Yana Kudryatseva) . She also achieved team gold with Arina Averina and the Russian Group^{[citation needed]} She and her sister kept competing (although limited due to the FIG ban on Russian Belarusian athletes due to the Invasion of Ukraine) until 2023.

2024 Retirement from the Sport

On February 23, 2024, Dina Averina (like her sister Arina) announced her retirement from sports.^[34]