As we look ahead to November’s elections, Medford Patch is devoted to bring you the information you need about every race in town. Here's our start on the candidates and issues we'll be covering as November draws near. We'll be updating the guide with all election coverage up to November, so be sure to bookmark this page.

The Race Everyone is Talking About: Democrat Elizabeth Warren challenges Republican Scott Brown for his seat in the U.S. Senate. There are currently 53 Democrats in the Senate and 47 Republicans.

Challenger to Markey: Tom Tierney emerged as the winner of a three-way Republican primary and will take on longtime representative Ed Markey. A Democrat from Malden, Markey has represented Medford for 36 years and he'll continue to after redistricting. Markey's 7th district will be renamed the 5th district; he'll continue to represent Medford and Malden, but Everett will be traded for a sliver of Cambridge, and suburbs Southborough, Ashland, Holliston, Sherborn and a large portion of Sudbury. Markey is on several energy committee in congress. He has been a vocal opponent of the Keystone pipeline and an advocate of using the federal oil reserve to combat rising prices.

Two Outta Three: Of Medford's three representatives to the state house, two face challengers this year. Democrat Sean Garballey is seeking his third term in the house, representing Arlington and West Medford. He is challenged by Joe Monju, a Republican from Arlington who thinks "Beacon Hill is broken." State Rep. Carl Sciortino, who represents parts of Somerville, South Medford and the Hillside neighborhood, faces a challenger in Republican Dave Rajczewski. Sciortino, the Vice Chair of the house's Joint Committee on Transportation, seeks his fifth term. State Rep. Paul Donato, a Democrat who represents Medford and Malden, is running unopposed.

Election Day is Tuesday Nov. 6: If you have questions about where to vote or registering, call the city's Registrar of Voters at 781-393-2491.