UFC fighter Allan Nascimento. Biography

Brazilian mixed martial artist Allan Nascimento, who competed in the light heavyweight division under the auspices of the UFC, died on August 3, 2026 at the age of 34. According to the organization, the athlete was found without signs of life after a suspected heart attack in his sleep. About his life and sports career — in the material of Izvestia.

Early years and early career

Allan Nascimento was born on September 11, 1991 in Sao Paulo, Brazil. From a young age, he became interested in martial arts and eventually became the owner of a black belt in Brazilian jiu-jitsu.

Nascimento began his professional career in mixed martial arts in 2011. He fought his first fight against Thiago Silva, winning by submission. Over the years, he has earned a reputation as a dangerous wrestler and a master of painful and suffocating techniques. His nickname is "Puro Osso", which means "pure bone" in Portuguese.

The path to the UFC

In 2018, Nascimento got a chance to break into the main promotion of the world through the show Dana White's Contender Series. However, in his debut match at this tournament, he lost by split decision to Raulian Paiva. Despite this defeat, he continued to prove his level and eventually signed a contract with the UFC. His debut in the organization took place on October 30, 2021 at the UFC 267 tournament, where he lost by split decision to Tagir Ulanbekov.

Career in the UFC

In total, Nascimento fought six fights in the UFC, scoring four wins with two losses. His winning streak in the promotion began in 2022 and included a unanimous decision victory over Jake Hadley in May 2022, a submission victory over Carlos Hernandez in January 2023, a unanimous decision victory over Japhel Filho in May 2025, and a submission victory over Cody Darden in November 2025.

During his professional career, Nascimento had 29 fights, winning 22 and suffering seven defeats. Of the 22 victories, he won two by knockout, 15 by submission, and five more by decision of the judges. The athlete trained at the Chute Boxe gym under the guidance of coach Diego Lima, where his sparring partners were former UFC champion Charles Oliveira and other famous fighters.

The last battle

Nascimento fought his last fight on June 20, 2026 at the UFC Vegas 119 tournament in Las Vegas. He lost to American Mitch Raposo by split decision. Following the results of three rounds, two judges gave the victory to Raposo, one to Nascimento.

Death

On the morning of August 3, 2026, Nascimento was found unresponsive after apparently suffering a heart attack in his sleep. The medical team that arrived at the scene tried to help him, but was only forced to declare death.

"On Monday morning, August 3, our beloved flyweight fighter Allan Nascimento was found unresponsive after suffering a suspected heart attack in his sleep. Despite the efforts of the medical team that arrived, his death was pronounced on the spot. "At this incredibly difficult time, we extend our sincere condolences to Allan's family, friends, teammates and all those close to him," the UFC said in an official statement.

Former UFC champion Charles Oliveira, Nascimento's gym mate, posted a touching post on social media.: "Today I lost the brother that the fighting world gave me. Thank you for always being there for me, for sharing the carpet and the corner with me. I am immensely grateful that you were with me in training, in the corner and just next to me. I love you, man, you're a legend."