New York City’s subway system spans hundreds of miles, and Thai Richards has run all of them.

The 35-year-old model from Brooklyn can’t stop.

He’s a seasoned ultra-marathon runner who treats anything under 26.2 miles like a walk in the park. Two years ago, he decided to challenge himself by running alongside every single subway line in the city from end-to-end. He said he wanted to explore his lifelong home and to document the journey with his followers online .

“I've never heard of anybody running any of the train lines. So I was like, you know what? Let's get this f---ing going,” Richards said. “I looked at the map… and I was like, man, this is gonna be one hell of a feat.”

He began his quest in the fall of 2023 with a run along the A train — the city’s longest subway line — that t

See Full Page