Weight Loss Programs

42-Day Weight Loss Program: How It Works and Real Member Results

📅 February 7, 2026 • ⏱️ 8 min read

If you've been searching for a weight loss program in La Quinta or Palm Springs that actually delivers results — not just promises — the 42-Day Transformation at Fit In 42 might be exactly what you need. Since opening our doors in the Coachella Valley, hundreds of members have used this program to lose weight, build lean muscle, and completely transform their bodies.

But what does a 42-day weight loss program actually look like? What happens during those six weeks that makes this different from every other challenge, boot camp, or diet you've tried before? This guide breaks it all down.

Why 42 Days Is the Sweet Spot for Weight Loss

Research on habit formation shows that it takes roughly 6 weeks of consistent behavior to build lasting change. The 42-day timeframe gives your body enough time to see real, measurable weight loss results while simultaneously rewiring your daily habits around fitness and nutrition.

Most "30-day challenges" end right when your body is starting to adapt. At 42 days, you've pushed through the initial discomfort, built genuine fat-burning momentum, and established healthy eating and exercise patterns that stick long after the program ends.

What Our Weight Loss Program Includes

Expert-Led Training Sessions

Every workout during the 42-Day Transformation is designed and led by our certified personal trainers. These aren't generic workouts — each session is structured to build on the previous one, progressively challenging your body through strength training, HIIT, and functional movement patterns.

You'll train in our small group format, which means you get the energy and accountability of a group with the personal attention of a trainer who knows your name, your limitations, and your goals.

Customized Weight Loss Nutrition Plan

Exercise is only half the equation for losing weight. Our 42 Elite Nutrition program gives you a structured meal plan designed to fuel your workouts and accelerate fat loss without starving yourself. This isn't a crash diet — it's a sustainable approach to eating that helps you lose weight and keep it off long after the 42 days are over.

Weekly Progress Tracking

We measure everything. Body weight, body fat percentage, measurements, and progress photos are taken at the start and tracked throughout the program. There's no guessing whether it's working — you'll see the numbers move.

Community & Accountability

This is what separates the 42-Day Transformation from doing it alone. You're surrounded by people going through the same journey at the same time. The energy in our La Quinta and Palm Springs studios during a transformation challenge is unlike anything else.

Weight Loss Results You Can Expect

Weeks 1-2: Your body adjusts to the new routine. Energy levels increase. Sleep improves. You start losing water weight and initial fat. You might feel sore, but the coaches modify exercises to match your fitness level.

Weeks 3-4: This is where visible weight loss really accelerates. Clothes fit differently. Muscles start showing definition. The nutrition plan becomes second nature and cravings decrease.

Weeks 5-6: The transformation becomes undeniable. Members typically report losing 10-25 pounds, dropping multiple clothing sizes, and feeling stronger than they have in years. Many members see their best weight loss results in these final two weeks.

Watch Their Stories

Real members sharing their transformation journeys

Who Is This Weight Loss Program For?

The 42-Day Transformation is designed for anyone looking to lose weight, regardless of fitness level. Whether you haven't worked out in years, you've tried other weight loss programs that didn't work, or you're looking to break through a plateau, our trainers scale every workout to meet you where you are. We've had members in their 20s and members in their 60s complete the program with incredible weight loss results.

How to Get Started

The 42-Day Transformation runs in cycles throughout the year at both our La Quinta and Palm Springs locations. Our 21-Day Kickstart is the perfect way to experience Fit In 42's training style before committing to the full transformation. You'll be training with the same coaches who earned Fit In 42 the title of Best Gym by Palm Springs Life (2020) and Best Fitness Class by Desert Sun (2022).

Start Your Weight Loss Journey

Try our 21-Day Kickstart and experience what makes Fit In 42's weight loss program different.

Start Your 21-Day Kickstart →