[2] Idaho Senate District 28 2018 Guthrie defeated Alan B. Curtis with 63.3% of the vote to win the Republican primary.
[8] 2012 Redistricted to District 28, Guthrie chose to run for its open senate seat.
[9] Guthrie defeated Democratic nominee Dave Finkelnburg in the general election with 66.1% of the vote to succeed Republican Senator Steve Bair, who was redistricted to District 31.
[10] 2006 When Democratic Senator Bert Marley left the District 29 seat open for a run as Superintendent of Public Instruction.
[11] Guthrie lost the general election by 370 votes to Democrat Diane Bilyeu.