Marathon Day

Marathon Day is a women-owned, full-service interior architecture and design studio based in Brooklyn, New York. The studio helps businesses and individuals uncover the potential of their spaces through collaborative, intentional design. Its services include interior architecture and design, workplace strategy, visioning, and art consulting, guiding clients from early ideas toward spaces that reflect their goals, identity, and way of life.

For businesses, Marathon Day creates environments that express a brand, connect with customers, support wellness, and adapt to changing needs. Its approach also emphasizes thoughtful space planning to make the most of available square footage and help clients make design decisions with clarity. For residential projects, the studio aims to create welcoming sanctuaries that support comfort, joy, and well-being. Marathon Day describes its process as creative and collaborative, with design choices shaped around each client’s vision and requirements. Client testimonials highlight its expertise in space planning, color, and brand expression, as well as a considerate, stress-conscious project experience.