True Fitness might have gone bust, but there are plenty of new places to break a sweat. Here are Bangkok's hottest openings. 

Form Fitness and Rehab

Asoke’s Form Fitness and Rehab is all about getting you back in the gym safely after injuries or other health-related issues. Its founder, Partha Mazumder, earned his credentials as a certified personal trainer from the American College of Sports Medicine, and now offers courses tailored to various rehab requirements, from post-pregnancy workout to training with diabetes, all designed in collaboration with in-house physiotherapists. They also do basic gym programs, with personal training offered at the promotional rate of B3,500 for three sessions, group training at B600 per session and private group training at B750 per session. Book online for a free assessment.
Polaris Tower, Sukhumvit Soi 20, 061-470-6305. www.formfitnessrehab.com
 

Jareonthong Muaythai Khaosan

Muay Thai legend Jareonthong Kiatbanchong has expanded his boxing gym to a new branch on Tanee Road, close to the popular backpacker street Khaosan. On top of the splashy new indoor gym, Jareonthong Muaythai Khaosan also offers a rooftop training area with a perfect view of Wat Chana Songkram temple and Bangkok’s Old Town. Courses vary from beginner to advanced, plus ancient muay Thai and muay Thai Waikru classes. Drop-in class fees are B600 for 1.5 hours or B1,200 for a private session. 
Tanee Rd., 02-629-2313. www.jaroenthongmuaythaikhaosan.com
 

Physique 57 

After making its Southeast Asian debut at Erawan Bangkok in 2015, New York’s celeb-endorsed barre studio Physique 57 has now branched out to Thonglor. The new studio sits on the second floor of RQ Residence, also home to the all-in-one fitness hub of The Racquet Club. Its ballet-inspired workouts combine intervals of cardio, strength training, stretching and recovery. For newbies, they’re offering a two-class package at B1,000 or an eight-class one at B6,000, to be used in one month. Regular drop-ins cost B1,000. 
RQ Residence, Sukhumvit Soi 49/9, 083-034-2857. www.fb.com/physique57bkk
 

Play Out Studio

Asoke’s colorful beach-inspired workout studio specializes in indoor surf yoga—that’s yoga practiced on surfboard simulators to test your balance. As well as surf yoga and surf-set balance, Play Out Studio also offers more specialist classes that combine muscle-building techniques. During the Surfset Build class, they promise you’ll burn around 400-600 kcal. Single drop-in classes costs B690, while unlimited monthly membership is B5,490. The studio also offers your first session free. 
B1/F, Interchange 21 Tower, Sukhumvit Rd., 082-585-4000. www.fb.com/playoutstudio. MRT Asoke/BTS Sukhumvit
 

Samyan Gym

This Silom gym looks more like a sexy bar. With strip-lights, an exposed industrial ceiling and dark palette of gray on gray, lifting in Sam-Yan Gym feels like working out in a nightclub, while facilities—from free-weight stations to cardio machines—are just as advanced. Six-month membership costs a Virgin Active-beating B16,000 or pay B28,999 for a yearly plan. For that you also get access to classes like BodyPump (60 mins of moderate resistance barbell training), RPM (spinning) and boxing training. 
3/F, Liberty Square, Silom Rd., 086-401-4392. www.samyangym.com. BTS Sala Daeng
 

Training Ground 

The second branch of Bangkok's biggest CrossFit and fitness facility Training Ground sits near Rama 4 Road. Like the original, it takes over a vast warehouse, this time with some 600 sq meters of space (half the size of the original Phra Kanong facility). With this new branch, Training Ground is looking to expand CrossFit to a broader Thai audience. All-access membership costs B4,500/month, while open-gym membership starts at B3,000/month. 
3789 Rama 4 Rd., 02-035-8359.www.traininggroundbkk.com