Batman and Captain America walk toward the start line of the Batman Inaugural 5K from the Batman fan experience on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

The start of the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

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Maria Garcia kisses her husband Jose Garcia of Los Angeles after completing the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Medals are displayed at the end of the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Runners of all ages compete in the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)



Robert Manon of Chino, dressed as the Joker shows off his medal after completing the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Runners of all ages compete the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Runners pose in their Batman costumes during the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Runners compete in the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Runners of all ages participate in the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)



Runners chase after the Riddler during the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Jason Duarte of Pasadena finishes second in the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Batman hands out medals during the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

A runner competes in the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Runners cross the finish line of the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)



The Riddler competes the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Runners of all ages compete in the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Runners of all ages participate in the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Wheel chair athletes compete in the 80th Anniversary of Batman inaugural 5K run at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Dan Nestor of Colorado wins the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)



Edward Gonzalez of Anaheim receives his medal during the 80th Anniversary of Batman inaugural 5K run at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Batman poses at the starting line during the 80th Anniversary of Batman inaugural 5K run and fan experience at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Flashback Heart Attack performs during the 80th Anniversary of Batman with an inaugural 5K run and fan experience at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Maria Pena of Los Angeles dressed as the Riddler during the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Super Friends hand out medals at the finish line during the 80th Anniversary of Batman inaugural 5K run and fan experience at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)



A runner competes in the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Chris Traviso of Downey poses for a picture as a Funko Pop during the Batman fan experience on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Flashback Heart Attack performs during the Batman fan experience on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Jessica Dunning along with Tony Arrizon of Los Angeles pose with DC Comic villains during the Batman fan experience on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Batman stands at attention during the National Anthem prior to the start of the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)



Runners start the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Jessica Abarca applies makeup on her husband Amardo Abarca of Semi Valley, dressed in a batman suit, prior to the start of the Batman Inaugural 5K run on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

The Batman fan experience on Batman’s 80th Anniversary at Grand Park on Saturday, Sept. 21, 2019 in Los Angeles, California. (Photo by Keith Birmingham, Pasadena Star-News/SCNG)

Batman (in various guises), many of his superhero compatriots, scores of costumed runners and a handful of villains celebrated the 80th Anniversary of the Dark Knight at Los Angeles’ Grand Park on Saturday, Sept. 21.

The Batman Day 5K night run and fan experience was hosted by Warner Bros. Studios and DC Comics.