group fitness classes with Sara Krosch

Movement
Music
Motivation

Join us for weekly in-person group fitness classes on Hawaii Island

CURRENT group fitness CLASSES

Classes are held Fridays 4pm at the Puna Hongwanji in Kea'au, East Hawaii Island. Sessions feature strength-focused formats created and taught by Sara Krosch: Pactive Fitness, Muscle Hustle, and the new AMRAP & Roll.

Bring a mat, weights and water to class. All other equipment provided. See class descriptions and the current class schedule below.

Pactive Fitness

This 45 minute classes covers all the bases of physical fitness: cardio, strength, balance & flexibility. Class consists of a warm up, resistance segments using dumbbells and an optional looped resistance band, cardio section to get our hearts pumping, core strength segment and a yoga-inspired flow focusing on stretching and mobility. New choreography every class so you'll never get bored! Options are given for low to moderate intensity.

Bring your own mat and light to medium weight dumbbells. All other equipment provided.

Muscle Hustle

This 45 minute interval training class gets the work done quick! Class consisit of a warm up and 7, 5 minute segments of alternating 30 seconds work/10 seconds break. Fresh choreography each class focusing on upper body, lower body and core strength utilizing compond moves with body weight, dumbbells and an optional looped resisitance band. Options are given for low to moderate intensity.

Bring your own mat and light to medium weight dumbbells. All other equipment provided.

NEW CLASS
AMRAP & Roll
as many reps as possible + foam rolling

AMRAP & Roll is a 45-minute interval training style class with strength, cardio and core-focused blocks using weights and a variety of other resistance tools.

Reduce soreness and speed recovery time after your AMRAP workout with a 15 minute foam rolling session using a foam roller and other tools.

Bring your mat and weights. All other equipment provided.

May - July 2025 Class Calendar

NO CLASS June 27, July 4 & 18

Date	Class Format	Time
Friday May 2	Muscle Hustle	4 - 4:45pm
Friday May 9	Pactive Fitness	4 - 4:45pm
Friday May 16	Muscle Hustle	4 - 4:45pm
Friday May 23	Pactive Fitness	4 - 4:45pm
Friday May 30	AMRAP & Roll	4 - 5pm
Friday June 6	Muscle Hustle	4 - 4:45pm
Friday June 13	Pactive Fitness	4 - 4:45pm
Friday June 20	Muscle Hustle	4 - 4:45pm
Friday July 11	Pactive Fitness	4 - 4:45pm
Friday July 27	AMRAP & Roll	4 - 5pm

Save with a Class Pass

Try your first Big Island Active class for free!

Individual classes are $7 or save with a 5-class punch card for $30. Pay with cash, card, or Venmo. Punch cards do not expire.

Convenient
Puna Location

Join us at the Puna Hongwanji
Community Hall in Kea'au,
East Hawaii Island

Directions

Sara Krosch

Meet your instructor

ACE Certified Personal Trainer & Group Fitness Instructor
National Board Certified Health & Wellness Coach
RRCA Certified Running Coach
Yoga Body Certified Breath Coach
Certified National Diabetes Prevention Program Coach
Founder & Director of Vivawell, Hawaii Island-based health promotion nonprofit organization
MA- Health Communication & Promotion
BS-Teaching
20 years community health experience
8 years group fitness instruction
Creator of Pactive Fitness, Muscle Hustle, AMRAP & Roll group fitness formats and Stretch & Roll workshop series

Try a Class On-Demand

Visit the Big Island Active YouTube Channel for a variety of recorded classes including Pactive Fitness, Muscle Hustle, PiYo, P90X, Barre, Foam Rolling Workshops and more.

BIA on YouTube