Adults Swim Programs
Focused programs for fitness and technique.
A Comprehensive Approach to Developing Proper Technique
Private Lessons with an Advanced Instructor
Work one-on-one or with a small group under the guidance of our skilled instructors to elevate your swim skills.
- 30-minute private lesson: $90*
- 30-minute semi-private lesson: $135*
Private Coaching with a Master Instructor
Experience the expertise of a master instructor. Whether you’re a beginner or a seasoned athlete, you can achieve your goals—gain confidence, improve technique, make the team, or enhance racing performance.
- 30-minute private coaching: $135*
- 30-minute semi-private coaching: $200*
Charles River Aquatics offers small group lessons as well as private (one swimmer, one instructor) or semi-private lessons (two swimmers of the same or similar skill level with one instructor).
Lap Swimming
School Year Season | September–June
Enjoy lap swimming with two convenient registration options: a set schedule with automatic monthly billing or a flexible punch pass system.
Step 1 – Create an Account
You must first create an account and add yourself as the “student” (even though this is not an instructional program). Then you can choose your preferred registration option.
Create or log in to your account
Option 1 – Set Schedule
Lock in a set day(s) and time(s) for consistent lap swimming. Once enrolled, you will start the following month through May, billed automatically at $80/month per option unless you request to discontinue.
- View our blackout calendar
- Register for a set lane time
Option 2 – Flexible Punch Pass
Step 1: Purchase Punch Passes
Log in to your account and select Lap Swim Punch Passes to purchase passes.
Dashboard Link
Step 2: Redeem Punch Passes
Redeem passes for specific days and times before your swim:
- Go to My Account
- Click the red sun icon / PASSES in your student profile
- Select Use Punch Pass
- Choose the date on the calendar
- Punch in at your selected swim time
We will reserve a lane for you at your chosen date and time.
Summer Season | June–August
During summer, the competition pool has limited availability. Pick from weekly options and pay $20 per swim.
Location: Warm Teaching Pool & Shallow Lanes in Competition Pool
Class Size: 8
Cost: $225/month
This program is designed for adults with little to no swim experience through intermediate swimmers. Build comfort, confidence, and basic skills in a supportive, low-pressure environment.
Location: Competition Pool
Class Size: 7
Cost: $225/month
Ideal for adult swimmers looking to refine technique. Participants can focus on specific skills or allow the coach to guide instruction based on individual goals.
Starts & Turns Clinics
Duration: 1 hour
Prerequisites:
- Age 18+
- Familiar with all four competitive strokes
- Able to dive and execute flip turns
Focus on refining starts and turns to maximize efficiency in practice or prepare for competition. Clinics include:
- Powerful dive mechanics
- Timing underwater kicks and breakout strokes
- Minimizing wall time on turns and improving speed off the wall
Triathlon Training – Swim/Run Focus
Schedule: Tuesdays and/or Thursdays, 11:00 am–12:00 pm
Dates: Dec 2 – Feb 12 (no classes 12/23, 12/25, 12/30, 1/1)
Cost: $180 per session
This high-intensity, one-hour class combines:
- 30-minute coached swim workout focusing on technique, intervals, and endurance
- 30-minute deep water run to improve aerobic fitness, strength, and joint-friendly conditioning
Instructor: Jen Scalise-Marinofsky, Charles River Aquatics Masters Head Swim Coach and accomplished triathlete. With over 30 years of competing and 17 years of coaching, Jen is a USAT All-American and 10-time Ironman World Championships qualifier in Kona.
Family Recreational Swim Rental
Enjoy a one-hour private rental of the Teaching Pool (23.5 x 44 feet, 4 feet deep) for your family.
Important: Maximum of 12 participants, including those in the water and on deck.
Location:
Teaching Pool, Boston Sports Institute
900 Worcester St., Wellesley, MA
Booking:
Click here to view availability and book your rental
What to Bring:
- Towel
- Goggles
What to Expect:
Have fun splashing, playing, and enjoying quality time with your family in the warm teaching pool.
Important Notes:
- Everyone attending must be registered with Charles River Aquatics to ensure a release form is on file. Family members can complete this when booking; non-family attendees must create our account and complete the registration process.
- Changing on deck is not permitted. Use the available changing rooms.
- Enter via the wet corridor, where a staff member will check you in. Arrive 10 minutes early to get ready.
Cost: $95/hour (maximum 12 participants)
Schedule: Tuesdays and/or Thursdays, 11:00 am – 12:00 pm
Dates: Dec 2 – Feb 12 (no classes 12/23, 12/25, 12/30, 1/1)
Cost: $180 per session
This high-intensity, one-hour class combines swim and run workouts:
- 30 min coached swim: Technique, intervals, and endurance
- 30 min deep water run: Builds aerobic fitness and strength while minimizing joint stress
Instructor: Jen Scalise-Marinofsky, Charles River Aquatics Masters Head Swim Coach and accomplished triathlete. With 30+ years of competing and 17 years of coaching, Jen is a USAT All-American and 10-time Ironman World Championships qualifier in Kona.
Beginner I
Class Size: Max 5
For adults new to the water, hesitant, or unable to float or swim. Focus is on water safety, comfort, and foundational skills for body position and breathing.
Skills Developed:
- Face in water and blow bubbles
- Full submersion (bobs, ring retrieval)
- Transition from horizontal to vertical (swimming to standing)
- Sculling for lift and propulsion
- Independent front and back float (10 sec)
- Introduction to front/back flutter kicks and basic freestyle
- Shallow jumps and aided deep water jumps
Beginner II
Class Size: Max 5
Focus on correct body position, propulsive flutter kick on front and back, and introduction to freestyle with side breathing and basic backstroke.
Skills Developed:
- Hip-driven flutter kick on front and back (T-Press)
- Streamline/glides on front and back
- Introduction to breaststroke arms
- Freestyle with side breathing
- Backstroke fundamentals
- Foundation of treading water
- Unaided deep water jumps
- 25-yard continuous swimming
Intermediate I
Class Size: Max 5
Emphasis on freestyle fundamentals: breathing, timing, and correct pull pattern. Backstroke skills build, with sculling, breaststroke, and dolphin kick introduced.
Skills Developed:
- 50-yard thumb-touch catch-up freestyle
- 50-yard backstroke with rotation
- 25-yard 6-kick-and-roll on back
- 25-yard breaststroke kick
- 10-yard underwater streamline on front
- Introduction to underwater back streamlines and somersaults
- 1-minute treading water
Intermediate II
Class Size: Max 5
Focus on rotation, high-elbow catch, improved breathing, and combining technique with fitness. Lessons include drills and continuous swimming (500–1000 yards/session).
Skills Developed:
- 100-yard freestyle with correct body position, pull pattern, 6-beat kick, and rotation
- 50-yard backstroke with proper form
- 25-yard breaststroke
- Underwater streamlines on front and back
- Dive progression continued
- Introduction to flip and open turns
- 200-yard continuous flutter kicking
Advanced I
Class Size: Max 6
Students swim longer distances in freestyle and backstroke with continued technique refinement. Flip turns and breaststroke pullouts are introduced, with pace clock usage for workout tracking.
Skills Developed:
- 100-yard freestyle with flip turns
- Backstroke flip turns
- 50-yard breaststroke with pullouts
- Racing starts
- Dolphin kick
Advanced II
Class Size: Max 6
Designed for swimmers preparing to join a Master’s Team program. Focus on fitness, interval sets, and swimming multiple strokes over longer distances.
Skills Developed:
- 500-yard freestyle with flip turns
- Starts and breakouts
- 10 x 50-yard kicking at 1:00 with fins
- 100-yard breaststroke with pullouts
- Optional introduction to butterfly