Momentum Fitness is located at 246 Columbus Avenue, between 71st and 72nd streets.
Since opening its doors in 2010, Momentum Fitness has been a true Upper West Side staple — a locally owned, family-run gym where neighbors train with intention. Located at 246 Columbus Avenue between 71st and 72nd Streets, the studio is owned by longtime Upper West Sider Marco Guanilo, who, along with his wife Jenny and child at P.S. 87, has made the business an extension of the neighborhood itself.
Unlike big-box gyms, Momentum runs entirely by appointment, which means fewer crowds and more attention. There are no membership fees, and the space offers full amenities, one-on-one personal training, and a wide range of small group fitness classes — including Pilates & barre, strength and conditioning, and yoga.
Recently, Guanilo made a major change to make those group classes more accessible.
“Class Pass is kicking our ass,” he says, explaining why he decided to drop prices so that the per-class rate now goes as low as $20 when you buy a larger package (down from $35).
In other words, you’ll get the best rates when you book directly through Momentum Fitness — supporting a neighborhood business while saving money. And, you can use them whenever you want as the classes don’t expire! Plus you can share them with friends and family.
What sets Momentum apart is its small-group format. Each class is capped at just 8–10 participants, ensuring everyone gets real coaching, hands-on corrections, and the personal guidance needed to move safely and effectively. The trainers — experts in strength, mobility, and functional fitness — are deeply invested in helping each client progress without injury.
As their website puts it, “Our small group classes bring people together to move, train, and grow.” The approach is movement-based and smartly structured, designed to build strength, improve mobility, and create lasting results — all in a friendly, community-driven space.
Momentum Fitness holds strong local reviews, with 4.8 stars on Google and 4.9 on Yelp. One reviewer summed it up best:
“One of the best kept secrets in the UWS fitness scene. Great training location, perfectly designed space for functional & athletic performance training. The owner Marco didn’t miss a detail when creating the environment here.” – Maximus D.
For Guanilo, Momentum has always been more than a gym — it’s a true mom-and-pop business built by and for the neighborhood. So next time you’re thinking about joining a class, skip the apps and book direct. Your body — and a local business — will thank you.
