Biden runs during Pittsburgh Labor Day parade
© Getty Images

Former Vice President Joe BidenJoseph (Joe) Robinette BidenNewsom endorses Kamala Harris for president Trump, Biden in dead heat in hypothetical 2020 matchup among Texas voters Biden calls for reauthorization of Violence Against Women Act MORE was seen running during a Labor Day parade in Pittsburgh on Monday. 

Multiple reporters posted a video of the longtime politician jogging through the street during the parade while making light of Biden's possible candidacy in 2020.

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"Joe Biden. He's...running," a CNN reporter tweeted. 

His appearance at the Labor Day parade comes as Biden prepares to campaign for Democratic candidates in the upcoming midterm election. 

Biden said earlier on Monday that "everything" was at stake during the November general election — one in which Democrats need to reclaim 23 seats in the House to retake Congress's lower chamber. 

Biden, 75, is also considered a possible Democratic candidate for the 2020 presidential election. 

He led President Trump by 7 points on a prospective 2020 ballot in a poll released last month.