Chrystia Freeland blew up the career of her top political ally, Justin Trudeau. Now, she is taking on an old friend, the former central banker Mark Carney.

We’re tracking the potential contenders to lead Canada’s Liberal Party. This Star graphic will update as candidates confirm they are in — or out — of the running.

Chrystia Freeland, the former deputy prime minister, sought to distance herself from Mr. Trudeau in a public letter criticizing him for “costly political gimmicks.”