Two-term Representative Sara Gideon is running against Republican Ben Schulz to represent Freeport and Pownal.

The race pits Democrat incumbent Teresa Pierce against Republican Kimberly Diamond.

Chace is running for a second term against Hall, a Durham selectwoman.

Outside groups accuse the Republican of voting against his constituents on environmental issues and throw their support behind Democratic challenger Dale Denno.

The Democrat is running for re-election against the Republican challenger to represent Yarmouth and two Casco Bay islands.

Democratic Rep. Mark Bryant is challenged by Republican Ben Martin for the seat representing the northern part of Windham.

The candidates, who differ on many issues, are vying for the state Senate seat representing South Portland, Cape Elizabeth and part of Scarborough.