Anyone hoping to run for the state's other constitutional offices — including attorney general, secretary of state, auditor, treasurer and lieutenant governor — have to begin putting together a campaign organization soon.
Every seat in the Massachusetts House and Senate is also up for grabs next year.
And about that just-completed Senate race?
Markey will face election again next year to the full six-year term, giving Republicans and other Democrats yet another shot at a Senate seat in what will be the state's fourth U.S. Senate race in as many years.
Some of those eyeing the governor's office have already begun stockpiling cash.
Grossman has the early fundraising lead, with $565,158 in his account at the end of June. In June alone, Grossman's collected more than $139,000 — easily his most successful fundraising month this year.
Coakley came in second to Grossman. As of the end of June, she had a balance of $257,669.
Berwick has also been busy gathering money. In the first six months of the year, he's accumulated an account balance of $210,032. Avellone, who also opened his account at the beginning of the year, reported a balance of $60,800 as of the end of June.
As of the end of 2012, Wolf had $25,747 in his account while Curtatone had $139,500.
Members of Congress, like Capuano or Lynch, are barred from transferring money from their federal accounts into a state account.
Baker is also no fundraising slouch. During the 2010 governor's race, he raised more than $7 million.