Kristin Harris (aka K Rock) started KRock Fitness in January 2016. With 20+ years of experience in personal training, dance and group exercise she has brought together diverse disciplines to create her own brand of fitness that works to make you healthier and improve your quality of life while having FUN!

Kristin graduated from Rogers Williams University with a BA in Theatre and Dance Performance and will find any excuse to dance! Kristin performs at Music Mountain Theater in Lambertville, NJ whenever she can and when she is not on stage or at a Philadelphia Eagles game, she is thinking up more fun ways to exercise and help her clients be healthy and happy.

She is an ACE (American Council of Exercise) Certified Personal Trainer, Exercise Correction Specialist, Fitness Nutrition Specialist, and Behavior Change Specialist. She has finished several half marathons, loves running the Broad Street 10 miler in Philly, and is also a two time Ironman 70.3 finisher. In 2023, Kristin was diagnosed with Breast Cancer and under went a lumpectomy, chemotherapy, and radiation but is luckily cancer free today! She believes living an active lifestyle helped her through her treatments with little to no side effects.

Kristin is on a mission to help everyone feel good in their bodies by realizing how strong they are. And she hopes you have just as much fun realizing that as she does helping you!