Rarely is a presidential candidate on a glide path to the White House, with unexpected developments known for derailing momentum.

While President Biden and former President Trump easily clinched their parties’ nominations, and the race has largely proceeded as anticipated, a game-changing situation — or two — could upend the race in the six months before November’s election.

Several issues are already simmering, from global crises the White House is managing to Trump’s legal troubles.

Here are five possible twists that could shake up the presidential race in the coming months.

Health concerns force Biden, Trump from the race

Biden, at 81 years old, and Trump, who will be 78 on Election Day, are the two…