The idea for Negative Split Running was born from the quiet miles, cold workouts, and the runs where no one was watching.

Our founder, Jeff, is a former collegiate athlete, avid marathoner, and member of the Central Park Track Club. He has spent years around the sport and has always been drawn to the honesty of running. It doesn't lie. There are no shortcuts. Your effort, your consistency, and your training show in meaningful and measurable ways. You see it in your season. You feel it in your finish.

Jeff wanted to create a brand for the running community that combined performance and purpose with simplicity and edge. Something functional, clean, and rooted in the grit of New York City's running scene.

Negative Split Running is for those who believe in the power of progress. Every product we create is rooted in this belief: that with the right mindset, the right gear, and the right community behind you, progress is always possible.