Darcia B.10/23/19This review is about my trainer Stephanie Mangrich of D21 Fitness. This is my first experience with a trainer. I had previously been working out (rather intermittently) at the park district gym... More
Micaela D.06/11/23Dietrich Is just fabulous. Hes a middle aged Black man with a wealth of fitness knowledge&experience, patience, and humor! Im a female retiree, wanted to firm up and do my at-home exercises more... More
Daniel C.12/29/14I secretly call him the muscle whisperer. I've been training with Dietrich exclusively for over 3 years now, and I feel grateful to have met him. He is an absolutely world-class personal trainer,... More
Marley W.11/07/20I absolutely LOVE this studio! Trainers are fun and encouraging. The workouts are hard, but they push you & it's worth it! My Gains were worth every penny! More
Chirag G.07/30/18I've been training with Justin at D21 for 5+ months and I couldn't be happier with the results I'm getting. I had been going to the gym myself and working out here and there, but I felt like I... More