Former Maine state legislator and logger Troy Jackson won the Democratic nomination to challenge Republican Sen. Susan Collins, replacing Graham Platner who withdrew after a sexual assault allegation.

Jackson campaigns on a progressive platform, including Medicare for All and opposition to ICE, backed by party progressives and Our Revolution as he gained momentum.

Saundra Pelletier remained a candidate, but Jackson's momentum and initial support from Sanders and Our Revolution shifted after Platner's withdrawal.

Collins enters the general election with a fundraising edge, with Republicans preparing a large ad push and signaling opposition from national party groups.

Both candidates foreground northern Maine industries—potato farming, timber, lobster fishing, and tourism—as central to their messaging.

Jackson has never won a statewide election, raising questions about how Maine voters will evaluate his background before November.

Jackson’s travel reimbursements and a 2019 insurance-related matter drew scrutiny, though no charges were filed and debates centered on rule interpretations.

Republicans launched anti-Jackson ads focused on temperament and ties to Platner to undermine his candidacy ahead of the election.

Jackson reported fundraising momentum, indicating growing support as the race approaches November.

Jackson must persuade Maine’s sizable independent bloc that his northern Maine roots and his stance on local industries offer steady leadership.

With less than four months to Election Day, the race hinges on energizing independents and rural voters, potentially influencing the broader effort to regain Senate control.

Jackson’s campaign emphasizes grassroots organizing and solidarity, aligning with a broader Democratic strategy to win in Maine as a key battleground state.