Sergey Sergeevich Logachev (born 18 February 1995) is a motorcycle speedway rider from Russia.
[2] Logachev's career took a significant turn when he won the Russian national championship in 2020.
[3] The following year he successfully defended his title and finished in eighth place during the 2021 Speedway European Championship.
[4][5] In 2022 and 2023, he won the silver medal in the national championship behind his main rival Grigory Laguta.
[3] He joined Vetlanda Speedway for the 2022 Swedish speedway season but was unable to ride because of the ban on Russian riders due to the Russian invasion of Ukraine.