Mattia Debertolis

Debertolis was born in Feltre, Italy on 4 August 1996.^[1][2] He was a member of the IFK Lidingö SOK, and the Park World Tour Italia clubs.^[3] On 30 August 2015, he competed in the Maddalene Sky Marathon.^[4]

He competed at the 2018 European Orienteering Championships, 2023 World Orienteering Championships, and the Orienteering World Cup.^[2]

He held a civil engineering degree from the University of Trento and was a Ph.D. student studying at KTH Royal Institute of Technology at the time of his death.^[5][6][7]

Debertolis died at a hospital in Chengdu, China, on 12 August 2025, at the age of 29. He had been found unconscious on August 8 during the men's middle-distance competition at the World Games.^[8] Following his death, the International World Games Association and the International Orienteering Federation issued a joint statement announcing his death.^[9]