• Italian orienteering athlete Mattia Debertolis died at the World Games in Chengdu.
• Debertolis collapsed during the men's middle-distance competition last Friday.
• Despite immediate medical care, he passed away four days later on August 12.
• The event occurred in extreme heat with temperatures exceeding 30 degrees Celsius.
• The World Games organizers expressed condolences to Debertolis’s family and the sport community.

Italian orienteering athlete Mattia Debertolis died at the World Games in Chengdu, China, after collapsing during a competition. He was found unconscious during the men's middle-distance event on August 8 and tragically passed away four days later on August 12, according to South China Morning Post.

The event was marked by intense heat and humidity, with temperatures exceeding 30 degrees Celsius. World Games organizers stated that Debertolis received "immediate expert medical care" but could not be revived, as noted by BBC and Dawn. The cause of his collapse remains unspecified.

Debertolis was competing in the final of the men's middle-distance orienteering event, part of the multi-sport gathering that features disciplines not included in the Olympics. His achievement included participation in numerous competitions, making him a respected figure in the sport, according to Reuters and TRT Global.

The International Orienteering Federation and the local organizing committee expressed their condolences to the family and friends of Debertolis, emphasizing their commitment to support his family during this difficult time, as stated in releases by Anadolu Agency and TRT Global.