JF
j+k fitness studio
Personalized fitness training in a supportive, expert-led environment.
5(5 reviews)
gym
$$$
Personalized fitness training in a supportive, expert-led environment.
j+k fitness studio is a premier personal training facility in San Francisco's Mission District, offering customized workout programs tailored to individual needs, including injury recovery and general fitness. Our team of certified trainers, including Jae, Griffin, Adriana, Christina, and Benny, provides one-on-one and small group sessions in a well-equipped, calm studio. We focus on strength, mobility, and sustainable routines to help clients achieve their health goals in a welcoming atmosphere.
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One-on-one customized workouts with expert trainers to meet specific fitness goals and accommodate injuries.
Partner or small group sessions for shared motivation and tailored exercises in a collaborative setting.
Specialized training designed to address and rehabilitate injuries with safe, modified routines.
Personalized at-home or gym workout plans to maintain progress outside of studio sessions.
Initial assessments and ongoing feedback to tailor programs and track improvements in strength and mobility.
My partner and I had such a positive experience doing 2:1 training for one year with Benny. We wanted to combat our sedentary desk jobs through general strength, mobility, and building a fitness routine. We trained 2x/week with Benny, focusing on a mix of cardio and functional strength training. Benny met us where we were and helped us slowly and steadily improve. She listened carefully, incorporated feedback, offered gradually increasing levels of challenge, and helped build out workouts we could do on our own. She's also an athlete and Ayurvedic practitioner who understands the many dimensions of our bodies and can help you troubleshoot anything that might be impacting your workouts. After a year my partner and I made gains in strength and mobility, but also built a foundation to move on to other sports. I now powerlift multiple times a week, something I'd never tried before, and my partner has moved on to soccer and rowing. Also--you spend a lot of time chatting with a personal trainer, and Benny is one of the loveliest, most authentic people in SF. We had occasional sessions with Jae, who is also excellent. Jae draws from a well of technical expertise and will look closely at your form and how you can get the most out of each movement. He'll push you in ways that challenge your specific anatomy. As the studio owner, he's fun, responsive, and kind. The studio is on one of the busiest blocks in the Mission but once you're inside there's a sense of calm. All of the trainers are friendly and we never had a bad interaction. In short, j+k is a low-key studio with high-impact trainers. I miss training there and highly recommend.
I have been training at this studio for about a year now and I have had a terrific experience. I was looking for a trainer who had experience dealing with injuries and could modify workouts and design programs which fit my constraints. Jae fit the bill amazingly. He was very deliberate and cautious about my injuries from the beginning and was able to design routines which not only pushed me without causing issues but also helped me address my injuries as well. In the duration I have been working out at j+k, I have had the amazing good fortune of working with not only Jae, but also Griffin, Adriana and Christina. Most of my sessions are with Jae and Griffin and they are both excellent trainers with very different styles. They are able to modify the programs to meet the varying needs of my schedule and are always very accommodating with regards to scheduling and such. I cannot recommend this place more! The studio always has a good energy and great music. It is well equipped and a fun space to get a solid workout at!
Jae and Griffin at j+k fitness have been really great to work with. They've pushed me very hard since the start of the year to improve my athletic ability. I can only say that I have learned a lot about what else I can improve on in the future!
I worked out with Griffin for the past month and had a fantastic experience. He’s incredibly knowledgeable and helped me build a strong foundation while making real progress toward my fitness goals. I always felt both comfortable and challenged during our sessions—a great balance. Griffin also provided customized workouts I could do at home and made thoughtful recommendations for supplements and equipment that fit my needs. He’s super friendly, professional, and clearly passionate about what he does. Highly recommend!
Jae, Griffin, & rest of the team at j+k fitness studio have been an absolute pleasure to work with. I didn't have any prior experience with personal training before joining the studio, and they've definitely exceeded expectations. I appreciate the trainers taking the time to fully explain and tailor the workouts to my fitness goals. I've been going regularly for roughly 6 months and have seen marked improvement in my strength and endurance. My confidence in executing workouts on my own has also skyrocketed. I've done both individual and partner sessions with multiple folks at the studio and all have been equally professional and knowledgeable. To anyone looking to start, level up, or maintain their fitness journey, j+k is a wonderful choice!
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