What are the opening hours?

Monday 5:30am - 7:30pm Tuesday 5:30am - 7:30pm Wednesday 5:30am - 7:30pm Thursday 5:30am - 7:30pm Friday 5:30am - 6:30pm Saturday 9am - 11am

Mass Strength & Conditioning

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United States
Lawrence, MA
Mass Strength & Conditioning

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💪 Build muscle · Boost energy · Prevent injury
We help former athletes who are tired of general fitness classes and need coaching & personalization.

Let's assess where you're at and build a plan. Book a free consult: https://tinyurl.com/ypakty7y CrossFit MASS offers a 4000 square foot facility which is home to the best community gym in the Merrimack Valley. CrossFit MASS is conveniently located at 573 South Union Street Lawrence off Rt 28, I-495, conveniently near Andover, North Andover, & Methuen.

10/27/2026

“Allow yourself the opportunity to get uncomfortable.”
— 𝘈𝘭𝘦𝘹 𝘛𝘰𝘶𝘴𝘴𝘢𝘪𝘯𝘵

Growth doesn't happen by staying where it's comfortable.

It's showing up when you don't feel ready.
Lifting a little heavier.
Trying something new.
Doing the work even when it feels too damn hard that day.

You don't have to be perfect. You don't have to go all out every day (and you shouldn't).

You just have to be willing to challenge yourself and trust the process.

The person you want to become is built by the choices you make today.

We're ready to help your growth begin - here.

Message 'GO' to start the conversation.
📍 Lawrence, MA

North Andover MA, Andover MA, Methuen MA, Merrimack Valley, gym life, growth mindset, let's lift, strength training, weights, progress, process, lifestyle, hwpo, coaching, community, workout, start here, beginners,

10/26/2026

There are 10 Monday's left in 2026.

10 chances to show up.
10 chances to make a choice your future self will thank you for.

You don't need to wait until January to get serious about your health.
You don't need a perfect plan, more time, or a burst of motivation.

Frankly - we're heading into the hustle and bustle of the upcoming holidays, just after the chaos of school starting back up....
and we circle back to "𝘕𝘰𝘸'𝘴 𝘫𝘶𝘴𝘵 𝘯𝘰𝘵 𝘵𝘩𝘦 𝘳𝘪𝘨𝘩𝘵 𝘵𝘪𝘮𝘦."

You just need to start.

One workout. One walk. One better choice. One day at a time.

Small actions compound.
10 weeks of consistency can move you a lot closer to where you want to be.

Don't wait for a new year to become a stronger version of yourself.

Let's make these 10 Mondays count.

Need help getting started?
We're here for you.
Message us 'GO' and we'll plan how we can maximize these 10 weeks.
📍 Lawrence, MA

North Andover MA, Andover MA, Methuen MA, Merrimack Valley, progress, process, start here, beginners, hwpo, do the work, build it better, strength, weightlifting, weights, progressive overload, coaching, community

10/24/2026

𝗠𝗶𝘀𝘀 𝗕𝗲𝘃
40 Handstand Push-ups
155 pound Deadlift 40 reps
40 Push-ups
55 pound Dumbbell swings 40 reps
35 pound DB Push presses, 40 reps
Row 1000m
40 Sit-ups
40 Back Extensions

Post time to comments.

10/23/2026

It always hasn't been this way...but right now,

Maybe your health has taken a backseat.

Maybe old injuries are catching up with you.

Maybe you just want the energy and strength to keep up with life.

You don’t need another thing on your plate.
You need a plan that fits the life you already have.

At Mass Strength & Conditioning, we meet you where you are, build a plan around your needs, and help you make progress at a pace you can sustain.

So you can feel better, get stronger, and keep up with the people who matter most.

Your family deserves the strongest version of you. And so do you.

Let’s get to work. 💪

📩 Message '99' to get our start strong blueprint - delivered right to your inbox to find relief and build strong bodies.
📍 Lawrence, MA

North Andover MA, Andover MA, Merrimack Valley, Methuen MA, progress, process, coaching, community, find your results, build your future, longevity, lifestyle, have fun, workout, weight training, do the work, hwpo

10/22/2026

“If people knew how hard I had to work to gain my mastery, it would not seem so wonderful at all.”
― Michelangelo Buonarroti
📍 Lawrence, MA

North Andover MA, Andover MA, Methuen MA, Merrimack Valley, progress, process, have fun, motivational quotes, coaching, workout, lifestyle, start here, daily grind, do the work

10/19/2026

Meet Joe P. 👋
He recently joined us through our 12 week JumpStart program.

He actually just graduated from it!
So we decided to ask him how he's liking it!

"I joined Mass Strength & Conditioning because I wanted more than just a gym membership.

I wanted coaching and some direction.

What I really like is that they assess where you are — your fitness, lifestyle, strengths and limitations — and then actually use that information to build your workouts.

I’m not some 25-year-old walking into the gym trying to bulk up.
I want to stay strong, flexible, active and healthy for the long haul.

There’s constant coaching and mentoring, and somebody is paying attention to what you’re doing and why you’re doing it.

For me, that makes a big difference. You’re not just handed a workout and sent off on your own."

We are so happy Joe P. has been killing it and feeling the support during his coached sessions.

When you join our JumpStart - change is in the short future.
Reach your goals and make your longevity lifestyle a reality with us.

Message '99' and we'll tell you all about the program Joe P. joined.
📍Lawrence, MA

North Andover MA, Andover MA, Methuen MA, Merrimack Valley MA, progress, process, health, fit over 50, wellness, mindset, coaching, have fun, never miss a Monday

10/13/2026

Meet Lana 👋
She joined our community to build strength and work on her mobility.

She's an avid racer and works hard at it.
Her aerobic base showed it on all our tests.

So better hip and ankle mobility paired with a stronger, balance legs would make a huge difference in her health and fun extracurricular activities.

Lana has no intention of slowing down over anything.

If you see her around the gym - say hello!
📍 Lawrence, MA

Andover MA, North Andover MA, Methuen MA, Merrimack Valley, workout, strong women, have fun, progress, process, coaching, keep moving, balanced athlete, endurance, lets lift

10/10/2026

Joe and AB take a personal approach to make sure you are pushed and motivated to achieve your goals. Starting with their extensive initial evaluation to set a baseline, followed by personalized workouts that aren’t just from a spreadsheet copied and pasted from their last client. Everything is customized to you, your fitness goals and how to achieve them.This is by far the best gym I’ve been a member at in my 18 years of working out. Could not recommend Mass S&C enough to anyone. 10/10 would Join again.

10/09/2026

Best decision I have made in ten years! Joe is a fantastic coach!

Address

573 South Union Street
Lawrence, MA
01843

Opening Hours

Monday	5:30am - 7:30pm
Tuesday	5:30am - 7:30pm
Wednesday	5:30am - 7:30pm
Thursday	5:30am - 7:30pm
Friday	5:30am - 6:30pm
Saturday	9am - 11am

Website

http://www.massstrengthandconditioning.com/

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