CHALLENGE STARTS IN:
WINTER CHALLENGE
REGISTRATION INCLUDES:
In-app meal tracker & meal library with 100's of recipes
CHALLENGE BEGINS MONDAY 11 AUGUST
We’re so excited to team up with our mates at TANK for our 2025 8 Week Winter Challenge!
This transformation challenge is all about getting motivated, active, fit, and focused! It's your time to show up, build strong habits, and unlock a healthier mind, body, and soul this winter.
PLUS... thanks to the legends at TANK, one lucky challenger (and their mate!) will WIN a dream getaway to Rarotonga! 🌴☀️
Let’s make this your strongest season yet — are you in?
Challenge begins Monday 11 August 2025.
Upon registering you will get instant access to our Cobalt+ app. You will follow an 8 week training program which will kick off on August 11th & will split in 2x 4 week training blocks.
You'll have a weekly schedule & a daily to do list to check off consisting of your workouts, habits & nutrition targets.
You will recieve personalised calorie & macro targets, meal plan 'suggestions', a recipe library & our own in-app meal tracker to scan/search and enter your meals each day.
You will also have access to educational videos, 1-1 messaging with your coach & a community group to help motivate & support you in your transformational journey.
The app can also be synced to MyFitnessPal, Apple Watch, Garmin, FitBit and more to easily track your progress.
You will be need a pair of food scales, a measuring tape & body scales to take your measurements.
The gym option requires dumbbells & barbells at minimum.
Our home option can be completed with resistance bands and dumbbells at home. Suitable for beginner-intermediate fitness levels.
You can also purchase our home/gym challenge packs below
IN-HOUSE EXPERIENCE
To register for our in-house you must also be on an active gym membership with us OR have purchase our 8 week challenge membership special.
If you choose this option you will be training in our classes for the duration of the challenge so your program will be different.
The winner of our 2025 8 Week Winter Challenge will be the person who achieves the biggest overall transformation — inside and out.
To be eligible, you'll need to complete and submit a final entry form at the end of the challenge.
We’ll be assessing your progress photos, measurements, and weight at the start, midpoint, and end of the challenge — with photo proof required for each check-in. We’ll also take into account your program compliance over the full 8 weeks, your engagement within the community group, and your written reflections/check-ins.
Together with our friends at TANK, we’ll choose one lucky winner to send on an unforgettable trip to Rarotonga — and yes, you get to bring a mate! 🌴☀️
Full Terms & Conditions here
By purchasing this challenge, you agree to receive marketing messages from TANK, including exclusive challenge discounts. You may opt-out at any time. See TANK T&Cs and Privacy Policy.
PLEASE NOTE: When purchasing online programs, use the same email at checkout that you would like to use to login to our cobalt+ app you will receive an email after purchase to activate your account.
Existing members: Use the same email at checkout to link your program to your cobalt+ account.
" WE'RE GOING ON TOUR!"
Join the COBALT x TANK crew for a Community Walk or Run! As part of the 8 Week Winter Challenge, we’re hosting free community walk/run events at TANK locations across the country — and everyone is welcome! We’d love to meet you — just give us a heads up by registering for your city below. Let’s move together, connect, and celebrate this challenge as a community!
The Cobalt+ App
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Daily Habit Tracking
Track your nutrient intake, workouts, sync your steps, and daily tasks set for you -
TRACK YOUR PROGRESS
Watch demo videos with verbal technique cues, track your workouts & watch your progress -
IN-APP MEAL TRACKER
Track your nutrition all within our app! Search, scan & record your daily meals -
HUNDREDS
OF RECIPESYou’ll never have to wonder what to make again. Discover 100s of delicious recipes.
Daily Habit Tracking
TRACK YOUR PROGRESS
IN-APP MEAL TRACKER
HUNDREDS OF RECIPES
2024 WINTER CHALLENGE RESULTS
SHOP EQUIPMENT
FAQ
You will need our Cobalt Resistance Band Pack OR a long resistance band.
We also recommend 1-3 sets of DB's, 1 lighter pair for upper & a heavier pair for lower body alternatively our Adjustable DB is perfect for this.
You will also need a pair of food scales to track your nutrition
We have moved into a different payment system, you can purchase the challenge upfront OR pay in fortnightly instalments via afterpay or zip pay.