[4] In 2016, Vangelov won one of the bronze medals in the men's freestyle 57 kg event at the European Wrestling Championships held in Riga, Latvia.

[3] In 2020, Vangelov won one of the bronze medals in the men's 61 kg event at the Individual Wrestling World Cup held in Belgrade, Serbia.

[5][6] He lost his bronze medal match in the men's 57 kg event at the 2020 Summer Olympics held in Tokyo, Japan.

[4] Vangelov won one of the bronze medals in the men's 61 kg event at the 2022 European Wrestling Championships held in Budapest, Hungary.

[8] He lost his bronze medal match in the men's 61 kg event at the 2024 European Wrestling Championships held in Bucharest, Romania.