Apostolos Christou, an accomplished athlete and student, has made significant strides in the world of swimming. Born in Greece, Christou began swimming at the age of seven. Initially, he took up the sport for health reasons and to learn how to swim in the sea. His parents played a crucial role in encouraging him to start swimming at a young age.

| Season | Event | Rank |
|---|---|---|
| 2021 | Men's 100m Backstroke | 11 |
| 2021 | Mixed 4 x 100m Medley Relay | 11 |
| 2021 | Men's 4 x 100m Medley Relay | 14 |
| 2021 | Men's 4 x 100m Freestyle Relay | 15 |
| 2021 | Men's 100m Freestyle | 18 |
| 2016 | Men's 4 x 100m Freestyle Relay | 10 |
| 2016 | Men's 4 x 100m Medley Relay | 15 |
| 2016 | Men's 100m Backstroke | 18 |
| 2016 | Men's 200m Backstroke | 24 |
In addition to his athletic career, Christou is also a student. He is pursuing Maritime Studies at the University of Piraeus in Greece. Balancing academics and sports, he demonstrates a strong commitment to both fields.
Christou's most memorable sporting achievement came in 2019 when he finished eighth in the 50m backstroke at the World Championships in Gwangju, Republic of Korea. This accomplishment marked a significant milestone in his career.
He has received numerous awards and honours throughout his career. In 2015, he was honoured by the Greek Olympic Committee for winning a silver medal at the 2014 Youth Olympic Games in Nanjing, China. He received this award again in 2019 for his contributions to the sport.
The Union of Greek Olympians also recognised his achievements with a special award in 2015. Additionally, he won the European Olympic Committee Piotr Nurowski Best Young European Athlete award in 2013.
Christou cites his parents as the most influential people in his career. Their support has been instrumental in his development as an athlete. He also looks up to US swimmer Aaron Peirsol as his hero and idol.
Outside of swimming, Christou enjoys various hobbies. These include cars, music, watching films, and going on road trips. These activities provide him with a balanced lifestyle and help him unwind from his rigorous training schedule.
Christou lives by the motto: "Never give up because in an athlete's career there are a lot of obstacles. If you are patient and if you believe in yourself, then one day you will reach your potential, and you will become the person that you want to be." This philosophy reflects his perseverance and determination.
Athletic talent runs in Christou's family. His brother Yiannis has also competed at an elite level in swimming. This shared passion for the sport further strengthens their bond.
As Christou continues to balance his academic pursuits with his swimming career, he remains focused on achieving new milestones. His journey serves as an inspiration to many aspiring athletes.
Apostolos Christou, an accomplished athlete and student, has made significant strides in the world of swimming. Born in Greece, Christou began swimming at the age of seven. Initially, he took up the sport for health reasons and to learn how to swim in the sea. His parents played a crucial role in encouraging him to start swimming at a young age.