Core Challenge Program - The Belle Method

Push Prep

Core Restore

Core Challenge

Booty Challenge

Bodyweight Challenge

Living Room Lift

Body Basics

12 Week Program | On Demand

Core Challenge

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The Ultimate Pilates Core Burn

Strengthen. Sculpt. Transform.

A smarter way to strengthen: Pilates, Barre, and pelvic-floor-informed training collide in the ultimate 12-Week Core Challenge.

3 intense weekly workouts to challenge your core and endurance

Push your limits with advanced Pilates and Barre

Transform your core with structured training

Dietician-created Meal Plans to fuel results

Group chat support and accountability

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Proven Results from Our Members

Expect more from your Pilates instruction. These results could be yours too.

Harriet

Harriet

Stronger now than when she was doing private training sessions!

Core Challenge

Sarah

Sarah

Overcame chronic back pain and her core has never been stronger.

Core Challenge, Booty Challenge

Katya

Katya

Our workouts gave her strength and confidence after two c-sections.

Core Challenge, Booty Challenge

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12 Week Program | On Demand

Core Challenge

Advanced Pilates corework to take your abs to the next level!

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Prepare to transform your core and redefine your abdominal strength.

The Core Challenge is your 12-week progression of powerful, core focused workouts that strengthen, sculpt, and sweat. You’ll combine Pilates precision, Barre endurance, and functional movement to train your deepest core muscles and build total-body strength. These are our toughest Pilates classes — designed to challenge your limits, improve posture, and sculpt definition that lasts.

Program Features

3 workouts per week blending Pilates and Barre, 20-40 min each

12-week training plan to build endurance and intensity

Deep core activation to train the abdominals from the inside out

Technique videos for better form and results

Support and accountability from the Belle community

Progress tracker to stay consistent and accountable

Program Level

Core Challenge

Beginner

Intermediate

Advanced

This program is for:

Those ready to challenge their core strength and endurance.

Intermediate to advanced students who want visible results.

People who can hold planks without doming or coning.

Anyone craving deep, intelligent Pilates core training with intensity.

Perfect next step after Body Basics or Bodyweight Challenge.

Core Challenge is NOT for: pregnancy, early postpartum, or anyone currently rehabbing diastasis recti or prolapse. Start with Core Restore first.

This 12-week Core Challenge program will transform your core, build definition and improve your strength.

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The Belle Method Membership

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Find your perfect fit and start your fitness journey your way with an annual or monthly plan.

Pre and Postnatal support with live classes

Belle Premium

Ideal for pregnancy, postpartum or pelvic floor and core issues.

  • Best For: Pregnancy, postpartum & pelvic floor / core rehab
  • Workout Library: 400+ workouts, stretch & technique videos
  • Programs Included: All 8 programs + courses (Push Prep, Push Mini, Core Restore, Body Basics, Bodyweight Challenge, Booty Challenge, Core Challenge, Living Room Lift)
  • Prenatal Support (Push Prep): ✔ Included
  • Postnatal Support (Core Restore): ✔ Included
  • Pelvic Floor Focus: ✔ Support for leaking, diastasis recti & prolapse
  • Live Classes with Nikki: Weekly + recordings
  • Q&A with Nikki: ✔ Weekly + recordings
  • Community: Private group chats
  • New Content Added: ✔ Regularly
  • Nutrition Plans: 50+ included

Choose your plan

Save 20% with Annual

$299 USD annually

$24.90/month

Get Started

Includes 7 days to explore the platform before billing

Includes 250+ on-demand workouts

Belle Fit

For your next chapter of strength, beyond pregnancy and rehab.

  • Best For: Strength beyond pregnancy & rehab
  • Workout Library: 250+ workouts, stretch & technique videos
  • Programs Included: All 5 workout programs (Body Basics, Bodyweight Challenge, Booty Challenge, Core Challenge, Living Room Lift)
  • Prenatal Support (Push Prep): ✘
  • Postnatal Support (Core Restore): ✘
  • Pelvic Floor Focus: Integrated cueing only
  • Live Classes with Nikki: ✘
  • Q&A with Nikki: ✘
  • Community: Private group chat
  • New Content Added: ✔ Regularly
  • Nutrition Plans: 30+ included

Choose your plan

Save 20% with Annual

$199 USD annually

$16.60/month

Get Started

Includes 7 days to explore the platform before billing

Pre and Postnatal support with live classes

Ideal for pregnancy, postpartum or pelvic floor and core issues.

  • Best For: Pregnancy, postpartum & pelvic floor / core rehab
  • Workout Library: 400+ workouts, stretch & technique videos
  • Programs Included: All 8 programs + courses (Push Prep, Push Mini, Core Restore, Body Basics, Bodyweight Challenge, Booty Challenge, Core Challenge, Living Room Lift)
  • Prenatal Support (Push Prep): ✔ Included
  • Postnatal Support (Core Restore): ✔ Included
  • Pelvic Floor Focus: ✔ Support for leaking, diastasis recti & prolapse
  • Live Classes with Nikki: Weekly + recordings
  • Q&A with Nikki: ✔ Weekly + recordings
  • Community: Private group chats
  • New Content Added: ✔ Regularly
  • Nutrition Plans: 50+ included

Choose your plan

Save 20% with Annual

$299 USD annually

$24.90/month

Get Started

Includes 7 days to explore the platform before billing

Core Challenge FAQs

  • 12-week advanced Pilates and core focused training plan

  • Builds endurance, definition, and deep full body strength

  • Not suitable for pregnancy or early postpartum

  • Includes meal plans, accountability and progression tracking

Your Transformation Starts Here

Get access to The Belle Method Membership content designed to support, strengthen, and empower you from the inside out.

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