Build Muscle Burn Fat Challenge

You can build strength at home.

May 4 – 29, 2025

4 Weeks
Challenge length
5× / Week
Workouts
20–25 min
Per session
At Home
Mat only to start
Coached
Every workout by Jo
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There will always be a reason to wait. But real change starts when you decide to work with the life you have now.

After losing over 50 lbs and rebuilding my body after every pregnancy, I learned that results don't come from guessing or waiting for perfect conditions. They come from following something that works, even on busy, overwhelming days.

Most programs expect you to fit your life around them. This one meets you where you are and adapts to your current season.

In 4 weeks, you could be looking at a body that feels tighter, more defined, and stronger. Your clothes fit differently, your posture improves, and movements that once felt hard now feel controlled.

You'll feel more supported in your body with more energy and confidence, just by following a plan that works from home.

Start now
Jo

Most women don't realize it's already happening.

Starting in your 30s, your body begins losing muscle quietly, steadily, year after year. And without strength training, that loss accelerates.

📉

You lose up to 8% of your muscle mass every 10 years after age 30 and that rate doubles after 60.

🦴

Bone density also decreases. For women, especially post menopause, this means a higher risk of fractures and osteoporosis.

⚖️

Less muscle means a slower metabolism. Fat accumulates faster. Energy drops. It becomes harder to maintain your weight no matter what you eat.

❤️

Women who strength train reduce their risk of cardiovascular death by 30%. Those who don't are missing one of the most powerful things they can do for their heart.

🧒

For mothers, it goes beyond yourself. Weak muscles mean less energy, slower recovery, and a body that struggles to keep up with the demands of raising a family.

The good news? You can stop this and reverse it at any age. This challenge is 4 weeks of structured strength training designed specifically for women who are ready to build a body that is stronger, leaner, and built to last.

Join the Challenge
Your
next
30
days.
01 The Plan
4
Weeks
Progressive overload
Per week
Strength and cardio
Strength
~25 min each
Cardio / Mobility
~20 min each
02 Stronger in 30 Days
4 WEEKS
Day 1 Baseline
Day 30 Test again
Exercise Day 1 Day 30
Squats (45 sec)18 reps31 reps 🔥
Push-ups (45 sec)9 reps19 reps 🔥
Plank hold22 sec58 sec 🔥
Glute bridge hold30 sec75 sec 🔥

* Daily users get the most improvement.

03 What You Get

Everything is structured so you can follow the plan, and actually finish it.

Follow the schedule
Join all lives this month
Celebrate your consistency

Is this for you?

This challenge meets you exactly where you are no matter your starting point.

This challenge helps you burn fat while building a stronger body.
This helps you rebuild muscle and definition.
This gives you the most effective foundation from day one. No experience needed Jo coaches you through every single movement so you always know exactly what to do and how to do it.
Rebuild core strength, glutes, and stability safely at your own pace. The program is structured to meet you where you are and build from there.
Strength training is one of the most effective tools to support metabolism, maintain muscle mass, and improve long-term strength and energy during and after menopause.

Strength training at home is for you.

Success Stories

Real women. Real results.

Ally
Ally
Ally's 6 month routine
  • growwithjo workouts 4–7x a week
  • Follows a meal plan

"A little bit of effort each day adds up to big results, focus on consistency and be patient."

Helerin
Helerin
Helerin's plan
  • growwithjo workouts 5x a week
  • Added 10 min core restore workout
  • Follows a balanced nutrition plan
  • Tracks calories and portions
Leigh
Leigh
Leigh's routine
  • growwithjo workouts 4–7x a week
  • Calorie deficit

"Be consistent! Start slow and increase difficulty levels as you get stronger, but do not give up. Keep coming back, even when you feel like you can't."

I want to feel strong

You won't be
doing this alone

Everything you need to stay consistent is in one place. Just show up.

Community calendar

We all follow the calendar together. We all get results together.

Women's only safe space

Share progress and connect with other women doing the challenge alongside you.

Learn from Jo

Talk to Jo live and get your questions answered in real time.

Start your
journey

No equipment needed. Cancel anytime.

Monthly Membership
$39.99
Per month
Free for 7 days · plus tax
  • 30, 60 & 90-day workout challenges
  • All home workouts — cardio, strength & dance
  • Community & live accountability calls
  • GWJ Streaks, printouts, worksheets & progress trackers
Start Free Trial

Questions
answered

All you need is a mat to get started. A pair of dumbbells is optional if you want to level up, but not required. The program is designed to challenge you without them.
Yes. The workouts are structured so you can start exactly where you are and improve week by week. Jo coaches you through every movement so you always know what to do.
Yes. Building muscle supports fat loss and improves body composition more effective and sustainable than focusing only on the scale. You'll burn fat while getting stronger.
The challenge starts every Monday. As soon as you join, you'll get access to the GWJ Home app so you can prepare for Day 1.
This is exactly what you need. Building muscle after weight loss creates definition and tone that cardio alone can't give you. This program was designed for this exact stage.
Yes, as long as you've been cleared for exercise. The program builds strength progressively and includes stability and core work ideal for the postpartum body.
Yes. Strength training is one of the most effective tools for supporting metabolism, maintaining muscle mass, and improving long-term strength during and after menopause.
No. You can purchase the challenge on its own. The GWJ Home membership gives access to all programs and is the best value if you want to continue training after the 4 weeks.

We start
on monday.

4 weeks. 5 workouts a week. Coached by Jo, supported by your community. This is the plan that changes things.

Join the Challenge