Who Is César Cielo? Age, Biography, and Wiki
César Cielo, born on January 10, 1987, is a celebrated Brazilian swimmer known for his remarkable achievements in the world of competitive swimming. With a career spanning over a decade, Cielo has set multiple records and won numerous medals, including gold at the World Championships and the Olympics. As of 2025, Cielo is 38 years old and continues to be an influential figure in the swimming community, inspiring future generations of athletes.
| Occupation | Swimmers |
|---|---|
| Date of Birth | January 10, 1987 |
| Age | 38 Years |
| Birth Place | Santa Bárbara d'Oeste, São Paulo, Brazil |
| Horoscope | Capricorn |
| Country | Brazil |
Popularity
César Cielo's Popularity over time
Height, Weight & Measurements
César Cielo stands at an impressive height of 6 feet 6 inches (198 cm) and weighs approximately 180 lbs (82 kg). His athletic build is complemented by his impressive versatility in the pool, allowing him to excel in multiple swimming disciplines.
In May 2011, Cielo tested positive for the banned substance furosemide. Furosemide is a diuretic often used to help lose weight but it is also a masking agent which may hide the presence of other drugs. Cielo was one of four Brazilian swimmers who tested positive for the substance and was given a warning by Brazil's national swimming federation.
Cielo claimed the positive drug test was a result of a cross-contamination. FINA appealed Cielo's case to the Court of Arbitration for Sport (CAS) and CAS upheld the warning for Cielo. CAS claimed that a caffeine supplement had been contaminated, causing the failed drug test.
CAS was convinced that the furosemide found was not aimed at improving athletic performance or masking the use of some other performance-enhancing substance.
Family, Dating & Relationship Status
César Cielo is known for keeping his personal life relatively private. As of 2025, he is rumored to be dating a fellow athlete, although he has not publicly confirmed the relationship. His close-knit family has always been a source of support for his endeavors, and he often shares moments with them on his social media accounts.
The son of pediatrician César Cielo and physical education teacher Flávia Cielo, Cielo began his athletic career at small swimming clubs in his native state. As a young teenager, Cielo trained under coach Mario Francisco Sobrinho at the Esporte Clube Barbarense, where his mother taught swimming.
When he was 13, Cielo started training in Piracicaba at the Clube de Campo de Piracicaba under coach Reinaldo Rosa. At 16 years old, he transferred to Esporte Clube Pinheiros in São Paulo to train under coach Alberto Silva and Brazilian swimming legend Gustavo Borges.
As a gift while at Esporte Clube Pinheiros, he received the swimsuit used by Borges in Athens 2004.
Net Worth and Salary
César Cielo's net worth is estimated to be around $8 million in 2025. His impressive earnings come from a combination of winnings from competitions, sponsorship deals, and endorsements with major sports brands. Cielo's longevity in the sport has allowed him to accumulate significant wealth, making him one of the top earners in swimming.
Career, Business, and Investments
César Cielo's career has been nothing short of extraordinary. He gained international fame after his extraordinary performances in the 2008 Beijing Olympics, where he won two gold medals. Beyond swimming, Cielo has also ventured into business with investments in health and wellness brands, often advocating for fitness and a healthy lifestyle. He has launched a line of swimwear and training accessories, contributing further to his income.
At the 2011 World Aquatics Championships in Shanghai, Cielo won the gold medal in the 50-metre butterfly with a time of 23.10 seconds. Days later in the same competition, Cielo won a second gold medal in the 50-metre freestyle.
In the 100-metre freestyle, Cielo earned a time of 48.01 seconds, the best time of his life without the use of technological swimsuits, but ended in the fourth position, one-hundredth of a second away from winning a bronze and six hundredths away from silver.
The winner of the 100-metre freestyle was James Magnussen, an Australian who surprised the world a few days earlier with his time of 47.49 seconds in the 4×100-metre freestyle.
Social Network
César Cielo is quite active on social media platforms, sharing insights into his training, competitions, and personal life with his fans. His presence on platforms like Instagram and Twitter keeps fans engaged and updated about his current endeavors and motivational posts. This active engagement not only strengthens his connection with followers but also enhances his brand value.
At the end of the year, Cielo had an operation on both knees. Since 2007, the Brazilian had suffered patellar tendinopathy in both knees. Cielo was in constant pain, and the injury started to hurt his training and performance. The nadir was at the 2012 London Olympics, where Cielo was already struggling at the start.
In September, he had an operation on the patellar tendon. "He had a chronic wear of the patellar tendon, which generated an inflammatory process that bothered him greatly. In London, Cielo has lost much of the leg muscles because this inflammatory process. He came to lose two inches in circumference on each leg for a period of ten days.
As the inflamed knee, he lost output quality. An output was once the best in the world ended up much like those of their adversaries" said Gustavo Magliocca, Cielo's doctor.
Education
César Cielo attended the University of Auburn in the United States, where he excelled both academically and athletically. Balancing his studies with a rigorous training schedule, Cielo earned a degree that helped him navigate the transition from athlete to entrepreneur, laying a solid foundation for his future ventures.
In conclusion, César Cielo continues to be a prominent figure in the swimming world in 2025, both for his athletic achievements and his contributions to sports and business. His journey from a young swimmer to an Olympic champion is a testament to his dedication and passion for the sport. Keep following to learn more about his exciting life and career developments!
Cielo is the current world record holder in the 50-metre freestyle (long course). He received induction into the International Swimming Hall of Fame in September 2023. César Cielo is the third Brazilian to enter the International Swimming Hall of Fame, after Maria Lenk and Gustavo Borges.
