The primaries were held on June 2, 2020.<ref>[https://ballotpedia.org/United_States_Senate_election_in_Montana,_2020 United States Senate election in Montana, 2020]</ref> | The primaries were held on June 2, 2020.<ref>[https://ballotpedia.org/United_States_Senate_election_in_Montana,_2020 United States Senate election in Montana, 2020]</ref> |