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Best of Washington

HIIT workouts

You want a HIIT workout that pushes you to your limit without any wasted time.

Based on 604 Opinions
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Updated April 2026
01
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Fitness center offers supportive community and a relaxed vibe with no mirrors to ease self-consciousness. HIIT classes are led by knowledgeable instructors who create a caring atmosphere. Child-friendly options and varied intensity levels make workouts accessible and enjoyable.

Instructors lead caring, thoughtful HIIT sessions with strong knowledge of various workouts. The community vibe turns HIIT classes into a weekly highlight alongside strength and TRX options.

People are saying

"This gym is a welcoming community for women of all fitness levels."

"The HIIT community here feels like a circle of friends."

"It's so Baby-Friendly; you can bring your baby to many classes."

Good to know

1

The first class is free for newcomers to try out.

2

Many classes are child-optional, making it convenient for families.

3

They host community events like clothing swaps and group hikes throughout the year.

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Village Fitness image 1
Personal trainer

Small group training offers high-energy coaching with a mix of HIIT, yoga, and dance fitness. Sessions last 30 minutes and suit all fitness levels. A welcoming community creates a fun, vibrant space focused on mind, body, and spirit.

Small group sessions focus on high-energy coaching that pushes performance. Allison leads classes blending HIIT with yoga and dance fitness for variety and fun.

People are saying

"I found the workouts at this weight lifting gym to be great."

"The Personal Training coaches are so knowledgeable and encouraging."

"The HIIT classes here are challenging and rewarding."

Good to know

1

Classes last 30 minutes, making them suitable for busy schedules.

2

Village Fitness offers a variety of classes, including HIIT, yoga, and dance fitness.

3

Booking workouts is simple with multiple session times available.

03
TruFusion University Village image 1

Bright studio offers free parking and a welcoming atmosphere with varied classes like hot Pilates HIIT led by Daniela. Instructors motivate all levels, and flexible schedules fit busy lives, blending cardio and strength for effective workouts.

Classes include a mix of Pilates, HIIT, and balance workouts. Daniela leads hot Pilates HIIT sessions, blending cardio and strength effectively.

People are saying

"The Pilates Studio classes made me feel stronger and more focused."

"The staff at this Yoga Class were so friendly and helpful."

"The HIIT instructors are fabulous and encouraging."

Good to know

1

Parking is free and conveniently located next to the studio.

2

The studio offers a wide variety of classes including yoga, HIIT, and Barre.

3

Membership includes access to all classes, but yoga mats are rented separately.

04
HOTWORX - Federal Way, WA image 1

Infrared sauna workouts blend heat therapy with exercise in a private, 24/7 access space. HIIT sessions feature video-guided isometric and full-body workouts including rowing and cycling. Clean, organized, and supportive atmosphere boosts focus and motivation.

Sessions combine isometric and HIIT exercises guided by a video instructor. Quick classes include rowing, cycling, and full-body machine workouts with 24-hour virtual access.

People are saying

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

"The workouts here are challenging and encourage you to do your best."

"Michelle and her staff are so wonderful and professional."

Good to know

1

The gym offers 24/7 access for flexible workout times.

2

Monthly challenges keep members motivated and goal-focused.

3

The facility is always clean and well-organized.

05
F45 Training Seattle Central District image 1

Spacious gym with high ceilings and natural light offers a bright, open feel. Team-oriented vibe creates a supportive community with friendly members. Workouts blend cardio and resistance for varied HIIT sessions, all set to energetic music that keeps energy high.

Workouts mix cardio and resistance training well. Sessions vary between strength, cardio, and HIIT styles.

People are saying

"The coaches at this weight lifting gym push you and correct your form."

"The workouts are challenging and genuinely fun."

"The HIIT coaches are super knowledgeable and motivating."

Good to know

1

Free street parking is available for gym visitors.

2

Classes are 45 minutes long and cater to all fitness levels.

3

Monday, Wednesday, and Friday are designated lift days.

06
RowdyBox image 1
Boxing gym

Boxing gym offers night-club atmosphere with neon lights and upbeat music that energizes workouts. Instructors foster a supportive community welcoming all skill levels. HIIT sessions blend boxing and weights for intense, dynamic training in a spacious, clean space.

Workouts combine boxing, weights, and HIIT exercises for a dynamic session. The HIIT routines stand out as intense and well-rounded.

People are saying

"The coaches here are so motivating and encouraging."

"It's a great mix of boxing and strength training."

"The HIIT instructors here make you feel strong and encouraged."

Good to know

1

Most of Sami's classes fill up very quickly; book early.

2

Amazon Doppler garage is free after 4pm and on weekends.

3

Pro Tip: On Mondays they offer free beginner classes for first-timers.

07
Shred415 Seattle image 1

Gym offers intense HIIT workouts with treadmill and floor exercises for a full-body burn. Instructors keep energy high with motivating music and clear guidance. Everyone feels welcome thanks to an inclusive atmosphere and workouts that fit all levels.

HIIT classes here truly transform fitness journeys with intense, effective workouts. The gym feels like a happy place for anyone serious about high-intensity training.

People are saying

"The HIIT instructors here are amazing and push you to your limits."

"The instructors at this weight lifting gym really encourage you to push your limits."

"The workouts here are super fun and full of positive energy."

Good to know

1

Classes at Shred415 Seattle combine treadmill and floor exercises for a balanced workout.

2

The gym offers a variety of classes suitable for all fitness levels.

3

Clean bathrooms are available, stocked with essentials for post-workout freshening up.

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Physical fitness program

Small group workouts create a welcoming atmosphere with no judgment. Classes blend cardio and strength for a full challenge. Instructors offer supportive guidance to all fitness levels, building a strong community spirit.

Classes focus on inclusive, judgment-free workouts that support all fitness levels. Instructors provide welcoming, supportive guidance while sessions promote consistency and strength training.

People are saying

"This HIIT community is so supportive and welcoming."

"The workouts here are fun, fresh, and challenging."

"The weight lifting gym here is so well-equipped."

Good to know

1

HIIT Lab offers 2 trial classes for just $15.

2

The class size is small, allowing for personalized attention.

3

Throughout the year, they organize fun challenges tied to local charities.

09
F45 Training Queen Anne image 1

Spacious gym offers top-of-the-line equipment and a clean studio. Coaches create an infectious energy that makes workouts feel like celebrations. Sessions blend HIIT bursts with strength training for a balanced, motivating routine.

Workouts combine HIIT with strength training for a balanced routine. Sessions focus on quick, intense bursts paired with muscle-building exercises.

People are saying

"The coaches at this weight lifting gym bring great energy and help your form."

"The coaches here are so energetic and encouraging."

"The HIIT classes were fun and challenging."

Good to know

1

The gym offers a mix of resistance training and cardio in 45-minute classes.

2

Karaoke classes happen on Fridays, adding a fun twist to workouts.

3

Regular social events help members connect outside of classes.

10
TruFusion Ballard image 1

Huge gym buzzes with blasting music and energetic instructors. Heated studios host HIIT Pilates and Bootcamp led by Valerie and team. Spacious locker rooms add convenience, while diverse classes build a supportive community.

Classes led by Valerie, Ella, Daniela, and Hannah focus on HIIT, Pilates, and Bootcamp with strong energy. Options include HIIT Pilates and traditional HIIT sessions. Multiple fitness styles like yoga and boxing share the same space.

People are saying

"The instructors at this Yoga Spot are so welcoming and great."

"I loved the variety of challenging HIIT and bootcamp classes."

"I found plenty of parking available, even a free garage."

Good to know

1

TruFusion Ballard offers a variety of classes including yoga, pilates, and bootcamp.

2

The introductory offer provides a free 5-day pass to try out the gym.

3

There is plenty of free parking available at TruFusion Ballard.

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Pilates studio

Pilates studio shines with a clean space and a welcoming community for all ages. It offers high intensity HIIT workouts like kickboxing and HIIT Pilates. Amenities like showers and towel service add great convenience.

Classes include extremely high intensity HIIT workouts alongside Pilates and yoga. The studio offers a variety of HIIT styles, including HIIT Pilates and kickboxing, all in one place.

People are saying

"The instructors at Yoga Spot are so supportive and motivating."

"I loved the variety of classes, including yoga, Pilates, and HIIT."

"Parking here is super easy and convenient."

Good to know

1

The first class at TruFusion Bellevue is free for new members.

2

TruFusion offers a wide variety of classes including yoga, HIIT, and bootcamp.

3

Parking is validated, making it easier for visitors.

12
Green Lake Strength & Conditioning image 1

Garage-style gym shines with natural lighting and open doors. Offers CrossFit-style HIIT and Olympic lifting with personal coaching. Welcomes all levels in a friendly community where dogs roam freely.

Classes mix CrossFit-style HIIT with weight training and personal coaching. Options include outdoor HIIT, pilates, mobility, and Olympic lifting sessions.

People are saying

"This weight lifting gym has a great, inclusive community."

"The coaches here are so supportive with weight lifting, tailoring exercises to your needs."

"The HIIT coaching here is excellent and knowledgeable."

Good to know

1

The gym offers a variety of classes tailored to specific needs and different time slots.

2

Parking at the gym can be a hassle, so budget extra time for parking.

3

Memberships can be paused and resumed easily if you take a break.

13
Praxis Yoga & Cafe image 1

Yoga studio blends infrared heat and upbeat music for a lively yet calm vibe. HIIT classes use booty bands and keep energy high. Healthy cafรฉ options add a perfect spot to relax and recharge.

Classes include high-energy HIIT workouts with equipment like the booty band. Instructors keep sessions full of energy and effective.

People are saying

"The instructors at this Yoga Spot are high-quality experts."

"Their smoothies are so good, made with all-natural ingredients."

"You'll feel so welcomed here, like part of a family."

Good to know

1

The first class is free for new visitors.

2

Soundbath meditations occur on Sundays for recovery.

3

Parking is usually available despite the crowded street.

14
Triad Wellness-Gym/Fitness & Nutrition & Mindfulness image 1

Gym offers HIIT classes and cycling for intense workouts. Facilities include thermotherapy saunas and cold plunge tubs for recovery. Community feels homey and supportive, blending fitness with meditation and mobility stretching.

Classes include HIIT, cycling, strength training, pilates, and TRX. Variety covers mobility stretching and meditation too.

People are saying

"This gym has a really positive and homey atmosphere."

"My personal training sessions with Riley were amazing and pushed me to meet my goals."

"This HIIT community is so supportive and encouraging."

Good to know

1

The gym offers a variety of classes including cycling, HIIT, and meditation.

2

First-time visitors can use an app to unlock the door for added security.

3

Small class sizes allow trainers to focus on individual participants.

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