Group Fitness Classes on Hawaii Island with Sara Krosch

Last Friday Class Each Month

Monthly Mash-up

Finish the month with this 45 minute session that combines the best blocks from recent Pactive Fitness and Muscle Hustle classes!

Class consists of a warm-up, 3 interval blocks focusing on strength, 3 choregraphed blocks stressing cardio, flexibility/balance, and core before cooldown stretches.  Master compound moves with body weight, dumbbells, looped resistance bands, gliding disks, and balls.  Options are given for low to moderate impact.

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

January - February 2026 Class Calendar

No In-Person Class January 23

Date Class Format Time
Fri Jan 2 Pactive Fitness 4-4:45pm
Fri Jan 9 Muscle Hustle 4-4:45pm
Fri Jan 16 Pactive Fitness 4-4:45pm
Fri Jan 30 NEW Class: Monthly Mash-Up 4-4:45pm
Fri Feb 6 Muscle Hustle 4-4:45pm
Fri Feb 13 Pactive Fitness 4-4:45pm
Fri Feb 20 Muscle Hustle 4-4:45pm
Fri Feb 27 Monthly Mash-Up 4-4:45pm

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 purchased in 2026 expire after 3 months. 

Newest BIA Workout Videos