Group Fitness

More than 50 classes each week FREE with your Thorbeckes membership! Awesome music, passionate instructors and innovative programming inspire exhilarating, fun workout experiences that deliver results. Live and virtual fitness options are available. Did you know? Thorbeckes is home to Lewis County’s BEST fitness instructors.

Group Fitness Director

Jen Watson


A note about our classes:

Our group fitness and yoga classes, as well as our Playcenters, follow the snow/ice delays and closures of the respective school districts. If schools are two-hours late, then we cancel our morning classes up to 10am. Check for closure information here.

*** Click here for aquatics classes and fitness opportunities at the Centralia Community Pool! ***

Group Fitness Class Descriptions


This full body, ballet inspired workout mixes elements of yoga, dance, Pilates and functional training. It’s low-impact, easy on the joints and intense on your muscles. Through isolated movements, you’ll build long, lean muscle while improving posture, grace and flexibility.


Step into a BODYCOMBAT workout and you’ll punch and kick your way to fitness, burning up to 740 calories* along the way. This high-energy martial-arts inspired workout is totally non-contact and there are no complex moves to master. A LES MILLS™ instructor will challenge you to up the intensity and motivate you to make the most of every round. You’ll release stress, have a blast and feel like a champ.


BodyPump is the original barbell workout for absolutely everyone. Using light to moderate weights and lots of repetitions, BodyPump gives you a total body workout that burns calories, strengthens and tones.


Yoga-based workout with elements of Tai Chi and Pilates set to music. It will improve your mind, body and life.


30-minute core conditioning workout targeting all the muscles around the core. A strong core makes us better at everything we do.

Dynamic Bootcamp

A bodyweight focused class integrated with metabolic cardio exercises and weight intervals. Build strength, endurance, power, speed & overall confidence to achieve all of your fitness and lifestyle goals.

GRIT Cardio

High-intensity interval training that improves cardiovascular fitness


High-intensity interval training designed to make you perform like an athlete.

GRIT Strength

High-intensity interval training designed to improve strength and build lean muscle.

Hydroworks – at The Centralia Community Pool!

Twelve times more resistant than land-based exercise that uses the same intensity. Rewards of hard work include smaller waist lines, increased muscle strength, flexible hamstrings, and reduced lower back pain. Low to no impact with high fitness returns

Indoor Cycling

Conquer hills, win sprints, lose weight, tone legs and experience energy in this indoor spinning class. Located in the cycling studio.

Kettlebell AMPD ™

Kettlebell AMPD takes heart-pumping music, your favorite kettlebell moves, and combines them into calorie torching fun. 5-15lb kettlebell are used and is perfect for all fitness levels.


P90X ™

P90X  is a total-body workout that will keep your body guessing—and transforming—with a variety of strength-training moves, cardio conditioning, and core work.

PiYo ™

Sweat, stretch, and strengthen in one low-impact, body-sculpting workout. PiYo LIVE cranks up the intensity and speed of traditional Pilates and yoga to help you shape sleek arms, flat abs, and a lifted butt—no equipment needed.

Pure Strength

Strength training classes are essential building blocks you need to help transform your body. Pure Strength will teach you proper form and technique as your improve overall muscular strength and endurance. This class uses all types of fitness equipment.

Rep Reebok

Pre-Choreographed group strength training designed to be used with a platform of free weights. Each month emphasizes a varied set of exercises and training that gives you pleasing results.


SeniorFIT is a low impact conditioning class for older adults. It alternates resistance tool work with aerobic conditioning. This class will improve strength, flexibility, endurance, balance, coordination and agility.


Fun-loving and insanely addictive dance workout. No dance experience required!

SilverSneakers ™

We use a variety of exercises designed to increase muscular strength, range of movement, and activity for daily living skills. Hand-held weights, elastic tubing with handles, and a ball are offered for resistance. A chair is used for seated and/or standing support.


A great class to learn yoga. While traditional yoga uses mats on the floor, we use a chair. This class emphasizes stretching, coordination of breath with movement and attention to creating increased mobility and flexibility. Good for people who are new to yoga, experiencing joint sensitivity or other physical limitations.


Super Sets

Super sets gets you resistance training which is crucial for weight management and body toning! This class you can do at your own pace so you can get comfortable with the movements, and then increase as able.

TurboKick ™

Burn massive amounts of calories with an addictive workout that combines kickboxing, sports drills, and dance moves within a party atmosphere. You’ll kick, punch and groove away in this action-packed, super-fun, effective cardio workout.

Zumba ™

Hate to exercise but love to dance? This is for you! Zumba is a fusion of Latin/international inspired music and dance moves creating an exciting and effective workout.

Class Schedules