Who is running for the 6th Congressional District in 2026

Open congressional seats are like catnip to Massachusetts politicians. People who get elected in this state tend to stay in office for a long time, so the pent-up ambition bursts forth at the first sign of opportunity.

That's what's happening on the North Shore, as a wave of candidates press through the breach left by U.S. Rep. Seth Moulton, who decided to forego re-election and challenge Sen. Ed Markey instead.

Here's who's declared their intention to run for the Massachusetts 6th Congressional District, which hugs the North Shore from Lynn to the New Hampshire border, and stretches west to the Merrimack Valley.