# High In10sity Fitness > Boutique HIIT studio in Thornton, CO offering group classes, 1-on-1 coaching, and a supportive community. First class is free. High In10sity Fitness is a locally-loved boutique HIIT studio led by coach Danielle Sandoval. We offer group HIIT classes for every fitness level, personal 1-on-1 coaching, and nutrition accountability at 8512 Pearl St, Thornton, CO 80229. ## Pages - [Home](/): Overview, hero, programs, transformations, and free class offer. - [About](/about): Studio story, coaching philosophy, and Danielle's background. - [Programs](/programs): Intermediate HIIT, Advanced, Beginner Friendly, Evening HIIT, and Saturday All Levels classes. - [1-on-1 Coaching](/coaching): Personalized training, weight loss coaching, strength programs, and lead capture form. - [Schedule](/schedule): Weekly class schedule with times for every day. - [Pricing](/pricing): Free class, drop-in, and unlimited monthly membership options. - [Testimonials](/testimonials): Member transformations and Google reviews. - [Contact](/contact): Studio address, phone, email, and directions. - [Privacy Policy](/privacy): How we collect, use, and protect personal information, plus Colorado Privacy Act rights.