Personal Training
One-on-one coaching for Castro clients, built around goals, schedule, training history, and current capacity.
Explore Personal TrainingTrain one-on-one near the Market Street corridor with strength coaching, DEXA body composition, VO₂ max testing, nutrition, and recovery working toward the same outcome.
One-on-one training · professional DEXA body composition · VO₂ max · Registered Dietitian nutrition · recovery + performance testing
For Castro residents, one of the biggest advantages of Custom Fit Market Street is simple: the studio sits along the same Market Street corridor that already connects the neighborhood with Duboce Triangle, Hayes Valley, and downtown.
Convenience matters because consistency matters. A training plan is easier to sustain when it can fit before work, during the day, or on the way home without requiring a separate trip across the city. Once you arrive, the session is already programmed around your goals and current phase.
Personal training can focus on strength, muscle gain, fat loss, running support, mobility, or long-term health. A beginner may spend more time learning technique and equipment. An experienced client may need more precise progression, additional performance testing, or a better way to integrate lifting with sport.
Body-composition and aerobic testing can make that process more objective. Custom Fit DEXA scans are completed by Registered Dietitians or Exercise Physiologists, and VO₂ max testing can provide a measured aerobic baseline rather than relying only on a wearable estimate.
Custom Fit connects coaching with measurements and expert support so your training plan can evolve from evidence instead of assumptions. Service location is confirmed during booking.
One-on-one coaching for Castro clients, built around goals, schedule, training history, and current capacity.
Explore Personal Training ↗Share a coached appointment with a partner while each person receives an appropriate program and modifications.
Explore Partner Training ↗Track fat mass, lean mass, regional composition, and estimated visceral fat. Every Custom Fit DEXA scan is completed by a Registered Dietitian or Exercise Physiologist.
Explore DEXA Body Composition ↗Measure aerobic capacity, training zones, and resting energy expenditure to improve conditioning and nutrition decisions.
Explore VO₂ Max + RMR ↗Work with a Registered Dietitian on performance, body composition, travel, recovery, and sustainable eating.
Explore Nutrition Coaching ↗Connect training with recovery, 3D gait analysis, bloodwork, force testing, and other assessments when useful.
Explore Recovery + Performance ↗Joining a nearby gym can provide equipment, but equipment alone does not decide what to train, how to progress, or how to adapt when life changes. Custom Fit gives Castro clients a coached process with continuity from one session to the next.
The process creates continuity between appointments. Your trainer knows what happened in the previous session, what needs to progress, and what should change when sleep, travel, work, soreness, or sport volume affects the week. That continuity also makes independent training more useful because the workout fits a larger phase instead of standing alone. Over time, the goal is to help you understand the program well enough to recognize progress, communicate useful feedback, and train with greater confidence. Coaching remains personalized, but it should also make the gym feel clearer and more accessible rather than mysterious. The same framework can continue through schedule changes, new goals, and different seasons of life without forcing you to restart from zero each time, with less friction and more useful feedback.
Discuss your training history, schedule, previous injuries, preferred activities, and what progress would actually look like. The team uses that information to recommend a coach and the most practical studio.
Depending on your needs, the starting point may include movement assessment, DEXA body composition, VO₂ max, RMR, or nutrition review. Testing is selected because it can guide a decision—not simply because it is available.
Your coach teaches the program, tracks load and repetitions, and adjusts exercises around recovery and real-world constraints. Independent sessions can be added when they improve consistency and confidence.
Progress is evaluated using the measures relevant to your goal: strength, consistency, body composition, aerobic fitness, movement quality, or performance outside the gym. The next phase is then built from evidence.
Structured appointments along the Market corridor for clients who want to use limited training time efficiently.
Strength and conditioning that support city running, cycling, races, and recreational endurance.
Resistance training plus professional DEXA testing and Registered Dietitian support.
A guided environment for learning form, machines, free weights, and how progression works.
Progressively load major movement patterns with coaching around technique and appropriate effort.
Use training volume, recovery, nutrition, and DEXA trends to make lean mass measurable.
Combine resistance training and nutrition while monitoring what is actually changing.
Use VO₂ max testing to establish a baseline and guide intentional cardiovascular training.
Build calf, hip, trunk, and lower-body strength around the demands of your mileage.
Develop strength, balance, muscle, and cardiovascular fitness for long-term capacity.
The landmarks, commute patterns, and activities around Castro shape how clients move, schedule training, and recover.


The Market Street studio at 1844 Market is positioned east of the Castro along the same transit corridor, making it one of the simplest neighborhood-to-studio relationships in the Custom Fit network.
Castro Station is part of the Market Street Muni Metro corridor. Use live service information and exit toward the most convenient final walk to Market and Laguna.
Surface streetcar service also runs along Market Street. Check current arrivals and service changes before leaving.
The Market Street corridor can make biking or walking practical depending on your starting point and comfort level.
If you drive, expect regulated street parking around Market and Laguna. Allow time or use a nearby garage.
One Custom Fit client worked with a trainer for approximately half a year with a clear set of goals: become more confident using different machines, lift heavier while maintaining proper form, and reduce the risk of avoidable injury.
The program was adapted around the client’s schedule, preferences, needs, and abilities. Over time, the client reported significant progress and much greater confidence in the gym.
That progression captures an important part of the Custom Fit approach. Good coaching is not only about what happens during the appointment. It should help you understand training well enough to become more capable and confident over time.
Company-wide client example. Individual outcomes vary. Body-composition and performance testing should be interpreted in context and do not guarantee future results.
Clear answers about studio location, testing, schedules, and how to begin.
Custom Fit does not currently operate a physical studio inside Castro. This page serves Castro clients and directs them to a recommended Custom Fit location.
Custom Fit Market Street at 1844 Market Street is a recommended option. The best studio can depend on your exact starting point and schedule.
Every Custom Fit DEXA body-composition scan is completed by a Registered Dietitian or Exercise Physiologist, keeping testing connected to professionals who understand nutrition, exercise, and performance.
Custom Fit currently includes unlimited DEXA scans and VO₂ max testing with personal-training packages. Confirm current package terms when enrolling.
Yes. Custom Fit offers one-on-one nutrition coaching with Registered Dietitians for body composition, performance, fueling, recovery, metabolic health, and sustainable eating.
Yes. Training can begin with foundational movement, equipment setup, manageable loads, and a gradual increase in difficulty as your confidence and technique improve.
Yes. Your coach can organize strength and conditioning around the other activities and schedule demands already in your week.
Start with the New Client Special or book a tour of the studio. The team can match you with a coach and the studio that best fits your schedule.
Start with two personal-training sessions, a DEXA body-composition scan, and a nutrition consultation with a Registered Dietitian through Custom Fit’s current New Client Special.