Sen. Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (D-Mass.) on Monday joked that TMZ should "try and keep up" after the news outlet caught her sprinting through New York City's Penn Station.

Video of the encounter shows a TMZ reporter trying to stop Warren as she races past him. Warren, running alongside a couple other people, says that she's sorry but she's "running for a train."

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Warren eventually stops and answers a few questions about her 2020 presidential campaign. TMZ notes in its report that she was barely winded after her dash through the station.

"You're fast," TMZ reporter Adam Glyn says in the video.

"I am," Warren replies, before commenting on how excited she's been by the first months of her campaign.

"It’s great to go out and talk to people," Warren said. "People are fired up and they’re ready for change. And it’s energizing to be out here. You can feel it."

Warren, a frequent critic of President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE, is one of many Democratic senators who have launched a bid for the White House. The Massachusetts senator says her campaign is dedicated to creating a government that works for all people and not just the upper class.