Personal TrainerFitness CenterWeight Training Center
FastFit offers personal training in Lake Oswego, OR, using proprietary isokinetic exercise technology to deliver safe, efficient strength training in just 20 minutes, twice per week.
Our certified trainers lead private, one-on-one and small group sessions designed to help you build muscle, lose fat, and improve energy with measurable results.
Located on Boones Ferry Road, our clean, private studio also offers self-guided training options, providing a flexible and personalized fitness experience for busy adults, backed by our 90-day strength guarantee.
Such a great workout! Christian is such a knowledgeable trainer and great cheerleader!
JM
Jeffrey Markovics
Aug 8, 2026
5.0
I have been doing FastFit now for about a month and it is simply the most incredible complete workout you can do in under 30 minutes! With only 2 sessions per week I am already seeing results in feeling stronger and looking better. I'm eager to see the longer-term results in 6 months, a year, and after that. As a 50 year old man with a full time job and a young family, it is really difficult to carve out time for a full workout at the gym, and FastFit makes working out fit in with my busy life's schedule,, which is even more important to staying healthy at this stage in my life. And my trainer, Christian, is super knowledgeable and helps motivate me to keep going!
LA
Lori Ares
Jul 30, 2026
5.0
I'm new to FastFit, and so far I've had a great experience. While the isokinetic technology is what initially caught my attention, it was the exceptional customer service from Christian at the Lake Oswego location that convinced me to join. He is knowledgeable, attentive, and takes the time to understand each client's individual needs and goals. I'm excited to continue my workouts and look forward to getting stronger in a short amount of time.
RG
Rhonda Gotch
Jul 30, 2026
5.0
I am two months in and noticeably stronger. In 20 minutes I get more out of my workout than an hour in the gym, and there's no grunting or dropping of weights! The studio is private and comfortable, a true no judgment space.
Christian is very knowledgeable and great to work with.
Yes. FastFit uses isokinetic resistance training to make every rep count, so your muscles are fully challenged in a short amount of time. That’s why just two 20-minute sessions per week provide the right balance of stimulus and recovery to drive real, sustainable results.
How is FastFit different from traditional weightlifting or gym workouts?
Traditional workouts rely on selecting weights, which can lead to undertraining or increased risk of injury. FastFit uses isokinetic resistance training, where the machine controls the speed of movement—so your muscles stay fully engaged from start to finish. This creates a more efficient, effective workout in less time.
Is FastFit safe for beginners?
Absolutely. FastFit is designed to be safe and approachable for all fitness levels. Our isokinetic machines provide smooth, controlled movement, and our certified coaches guide your form every step of the way—helping reduce injury risk while building confidence.
What kind of results can I expect with FastFit?
Results vary, but FastFit helps members build strength, lose fat, and improve overall health. Because workouts are designed to be highly efficient, members often see meaningful progress in less time. In a recent study, participants lost 2.5x more fat, gained 2x more lean muscle, and improved cardiovascular performance 3.5x more than traditional weightlifting over 12 weeks. Many also notice increased energy and strength within just a few weeks.
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