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New Yorkers 1st Choice
Best of Thornton

Weight lifting gyms

The iron feels lighter when the gym is quiet and the focus is entirely on the next set.

Based on 579 Opinions
+576
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Updated July 2026
01
CrossFit ELM image 1
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Gym offers well-maintained facilities and workouts for all levels. Coaches provide personalized attention and promote body positivity. Community stays friendly and motivated, supporting both newcomers and athletes.

Coaches tailor workouts to each person's needs and scale exercises for all levels. The gym offers a Foundational course with one-on-one coaching to learn core movements and assess fitness. Facilities support effective training with attentive and encouraging staff.

People are saying

"The weight lifting coaches here tailor workouts to your specific needs."

"Brandon was a phenomenal coach who guided me through every step."

"It's a fun, welcoming environment where everyone cheers you on."

Good to know

1

CrossFit ELM offers a Foundational course for beginners to learn fundamental moves.

2

Workouts are scalable for all fitness levels, ensuring everyone can participate.

3

CrossFit ELM provides personalized coaching and attention during classes.

02
CrossFit MOB image 1

Huge gym offers spacious facility with clean, well-maintained spaces. Coaches focus on proper lifting techniques to keep workouts safe. Warm, supportive community creates an inclusive atmosphere for all fitness levels.

Coaches ensure proper lifting techniques to prevent injuries and provide corrections. The gym stays clean and well-maintained with a strong community focus including events beyond workouts.

People are saying

"The coaches at this CrossFit Gym are so welcoming and helpful."

"The coaches at this gym are super knowledgeable and invested in you."

"The coaches at this weight lifting gym are so helpful and encouraging."

Good to know

1

The gym is clean and well-maintained with good equipment.

2

Coaching quality is high, ensuring effective workouts.

3

The community is supportive and encouraging for all fitness levels.

03
F45 Training North Thornton image 1

Spacious studio offers wide selection of weights and well-maintained equipment for varied workouts. Group classes have awesome coaches who push members with heavier weights. Atmosphere is motivating and welcoming with inclusive modifications for all fitness levels.

Group classes feature awesome coaches who demonstrate excellent form and push members with heavier weights. Workouts offer a wide selection of weights and constantly change to stay challenging.

People are saying

"The coaches at this weight lifting gym are so motivating and friendly."

"The coaches at this gym are so fun and motivating."

"These fun activities are challenging and a lot of fun."

Good to know

1

Classes last 45 minutes to 1 hour, maximizing your workout time.

2

Workouts can be modified for all fitness levels, making them accessible.

3

The studio fosters a strong community vibe, encouraging consistency.

04
Adventure Fitness Athletic Club image 1

Large gym space offers top-notch equipment and spotless cleanliness. State-of-the-art amenities like cryotherapy and hydromassage add recovery benefits. Group classes and a supportive community create a motivating atmosphere for all workouts.

Cleanliness stands out with the gym being consistently spotless and welcoming. Equipment is up to date and abundant, supporting a variety of workouts including HIIT, weight training, and tabata.

People are saying

"I found the gym to be spotless and organized."

"The staff's energy is motivating and they genuinely care about your success."

"This weight lifting gym is spotless and super welcoming."

Good to know

1

The gym offers a wide variety of classes every day.

2

The facility is known for its cleanliness and well-maintained equipment.

3

Expect a friendly atmosphere with supportive staff for all fitness levels.

05
X Gym image 1

Facility offers 24/7 access with top-tier equipment that is clean and well maintained. Friendly staff and a welcoming atmosphere create a positive community vibe. Gym rarely gets busy, so you can use machines without waiting.

Clean, well-maintained equipment covers all fitness levels with a diverse range. Friendly, helpful staff create a welcoming, community-focused atmosphere with 24-hour access.

People are saying

"The staff at this gym are so friendly and supportive."

"The personal trainers at this weight lifting gym are knowledgeable and encouraging."

"This Local Spot's 24/7 access is perfect."

Good to know

1

X Gym is open 24/7, which is beneficial for irregular work hours.

2

The equipment at X Gym is clean and well-maintained.

3

X Gym has a wide variety of equipment to suit all fitness levels.

06
The Spot Climbing Gym image 1
Rock climbing gym

Old school gym with bizarre lighting and a laid-back vibe offers climbing and weight lifting. Upstairs holds a large weights section and a heavy bag, perfect for quiet Sunday workouts. Bouldering and lead walls suit all skill levels.

A large weights section with a heavy bag sits upstairs alongside standard gym equipment. The gym has an old school vibe and feels quiet, especially on Sunday mornings.

People are saying

"The staff at this rock climbing gym are super friendly and helpful."

"The climbing gym's route setting is fantastic and dynamic."

"The staff at this Weight Lifting Gym are really nice."

Good to know

1

The gym offers free climbing classes for kids during open house events.

2

Discounted day passes are available on Mondays and Wednesdays.

3

The gym has 5 auto-belays for beginners or those without a belay partner.

07
Gold's Gym image 1

Gym offers 24-hour access with top-notch equipment and a quiet night atmosphere perfect for serious weight lifting. Separate saunas for men and women add comfort. Clean and well-maintained space suits late shifts well.

Open 24 hours with a quiet night atmosphere suits late shifts well. Machines are top notch and the gym stays clean, making it ideal for serious weight lifting.

People are saying

"The weight lifting gym has amazing, top-notch equipment."

"The gym equipment here is top-notch and amazing."

Good to know

1

Gold's Gym is open 24 hours for members.

2

The gym gets packed, especially during peak hours.

3

The app for entry sometimes doesn't work properly.

08
Chuze Fitness image 1
Fitness center

Fitness center features a wide range of machines and a weight room for serious lifting. Friendly, non-judgmental crowd keeps the vibe motivating and quiet. Amenities like a sauna and swimming pool add relaxation options in a clean, well-maintained but somewhat cramped space.

A wide range of machines, free weights, and cardio equipment fills the clean gym space. Friendly people work out without judgment, creating a comfortable spot for weight lifting six days a week.

People are saying

"The staff at this gym are so friendly and helpful."

"The steam rooms and saunas here are always clean and working."

"The staff at this weight lifting gym are always friendly and helpful."

Good to know

1

The gym is usually clean and well-maintained.

2

Expect the gym to be busy after 4 PM.

3

Some equipment has been broken for an extended period.

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Thornton, Colorado

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