Nosov won an election for a full term in September 2018 with 81.5% of the vote – the highest margin in Magadan Oblast's history.

[3] On June 6, 2023 President Vladimir Putin in a meeting with Sergey Nosov endorsed the incumbent for a second gubernatorial term.

[4] In Magadan Oblast candidates for Governor can be nominated only by registered political parties, self-nomination is not possible.

Each candidate in order to be registered is required to collect at least 10% of signatures of members and heads of municipalities.

Governor Nosov re-appointed incumbent Senator Anatoly Shirokov to the Federation Council.