Rock Lake 

Activity Center

meet our instructor

PiYo Lite 

This is geared toward beginners

Get updates on this class at [email protected]

Janelle Weidert

ACE Certified Personal Trainer
Certified PUMP instructor 
CPR Certified

Janelle started teaching group exercise and personal training about two years ago and loved the people she met. She loves being outdoors and spending time with family and friends. "I love sharing my love of fitness with anyone wanting to make a positive change in their life.  Whether you want to lose a few pounds or just increase your overall fitness, I'd love to help with that.  I truly believe exercise can be fun and enjoy helping others reach their fitness goals!"


PiYo is a one of a kind workout geared toward flexibility and strength. Class is made up of intense moves that are fun and challenging. You will Sweat! Get ready for energy, power, and rhythm. You can look forward to increased overall core strength and improved stability.

Get updates on this class at [email protected]

Jess Mlsna

Adventure Time Coordinator- Group Ex Instructor

Group exercise Certification, CPR/AED Certified, CX WORX, Silver Sneakers Certified, Beachbody PiYo Certified Instructor, INSANITY Certified Instructor, YMCA Healthy Lifestyles Group Fitness Certified, and Body Pump.

Jess serves as the early childhood coordinator at RLAC as well as teaching. Group exercise was a love that turned into a job for her.