Tracker: Who is running for mayor in Boston?

Boston City Hall.Keith Bedford/Globe Staff

With Martin J. Walsh’s nomination to lead the Department of Labor under President Biden, the race for Boston mayor opened up, and multiple people have declared their candidacies.

In March, City Council President Kim Janey became acting mayor, becoming the first Black person and the first woman to lead the city of Boston.

Here are the leading candidates, in order of when they announced their campaigns:

Read the Globe’s coverage on each candidate:

Michelle Wu

— Michelle Wu makes it official: She’s running for mayor of Boston

— Elizabeth Warren endorses Wu in Boston mayoral race

Andrea Campbell

— Boston City Councilor Andrea Campbell announces run for mayor

— Former Massachusetts first lady endorses Andrea Campbell in race for Boston mayor

Annissa Essaibi-George

— Councilor Annissa Essaibi George jumps into the mayoral fray

Jon Santiago

— Santiago, a South End lawmaker, launches bid for Boston mayor

John Barros

— Barros makes it official, joins mayor race

Kim Janey

— Acting Mayor Kim Janey makes it official: She’s running for a full term