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28 Day Challenge



My Ultimate Summer 2023 Challenge is here!
I have designed this challenge to help you feel incredible, look incredible and become the fittest you've EVER been!






sign up to our mailing list to be eligible for the chance to win incredible mini prizes throughout the challenge!


Date: Jun 19, 2023 - Jul 16, 2023
Trainer: Courtney

The 28 Day Summer 'SHRED IT' Challenge is HERE!

Everything you need to know!

The one you have ALL been waiting for, Courtney's ULTIMATE Summer Challenge! 

This is going to be the best challenge yet. We've got fat burning hiit, controlled progressive strength and a whole lot of energy! Plus BONUS ab workouts EVERYDAY!

Get ready to achieve the results you deserve. Courtney will be sweating it out with you every step of the way with this real-time challenge. It will be tough but you are tougher!

The challenge is suitable for all levels of fitness, utilise your in app personalised calories and macros to reach your personal goals!

How to win our prizes!

Take your transformation pictures front, side, back on day one of the challenge and again at the end! Make sure you're holding a piece of paper with 'CB App Summer Shred It Challenge', the date, your name and instagram handle! We have 10 x 1 year subscriptions up for grabs from your incredible transformations! See our example below!

Screenshot 2023-06-14 at 10.08.48

Make sure you are also sign up below to find out how to win our incredible weekly prizes throughout the challenge!

* you must be signed up to be eligible. Prizes are only applicable throughout the live challenge dates.


What is the 28 Day Challenge?

This is the ultimate summer challenge to transform your life! Designed to help you FEEL incredible, LOOK insane & become the FITTEST you have ever been!

28 Days

5 x 45 min workouts per week

5 x 10 min bonus ab workouts per week

2 rest days per week

Insane weekly prizes!

10 x 1 year app subscriptions to be won!

A mixture of dumbells required and resistance band to get the most out of your sessions!

Preview the challenge

Preview the challenge

Want to find out if this is for you? You can download the app today for 14 days FREE!

Access all videos

Download the CB APP now to access the full challenge and finish what you started

Who is the challenge trainer?

website challenge page (800 × 998px)-2



Team CB

Are the workouts live?

The workouts are uploaded every day at midnight as per our weekly schedules (found in app and on socials) for you to do at your convenience . The workouts will remain on the app after the challenge has ended. These will be found in the 'real time' section of the app under '28 Day Challenge Summer Shred It' and under trainer Courtney.

Who can join the 28 Day Challenge?

Our challenge is designed for EVERYONE, no matter your fitness level or goals the challenge is designed to elevate you fitness and push your limits to become the fittest you've been!

Real-time follow along workouts providing you with your very own PT in your pocket suitable to complete at home with minimal space and equipment. Just download the app to get started!

How do I join?

Simply download the Courtney Black App and hit the real-time workout section to find 28 Day Summer Shred It Challenge from 19th June!
If you’re brand new… We’ve got good news.
You can enjoy 14 days FREE with our trial!