Founded in 2012, 305 Fitness is an underground non-stop dance cardio workout that infuses dance moves, sports drills, and high-intensity interval training. Classes feature a live DJ and rhythmic light show. 305’s unique brand also emphasizes inclusivity and body-positivity. Called “rave-meets-workout,” 305 Fitness operates in Boston, DC, Miami, LA, Chicago, and SF, with more certified instructors leading classes across the country. 

305 Fitness was founded by Sadie Kurzban ‘12, who drew inspiration for her business from ENGN 1010. Read her profile in the Brown Alumni Magazine. The venture received the Brown Venture Prize in 2008, and was the first recipient of funding from Van Wickle Ventures in 2019. It has also been featured in Forbes, the Today Show, and ESPN.