Sergio - Swimming instructor - San Mateo

1^st lesson free

Sergio

5 (6 reviews)

Rate £65
Response 12h
Students
Number of students Sergio has accompanied since arriving at Superprof
9
Number of students Sergio has accompanied since arriving at Superprof

5 (6 reviews)

£65/hr

1^st lesson free

Swimming
Aquathlon

Triathlete and current swim instructor at local swim school teaching all ages.

Swimming
Aquathlon

Lesson location

- Online

About Sergio

I've been competing in long-distance triathlons for the last 6 years, in that time I spent a lot of time progressing from just getting by my swims to now powering through them. When I was learning how to swim I spent hours watching swim tutorials and practicing drills with little success until I actually started swimming with a coach and a team. The ability to actively receive feedback on my stroke, and not just rely on what I thought I was doing is what took me from I can survive the swim, to I can compete in the swim.

Outside of endurance sports I'm a data nerd, poet, and percussionist.

USAT Level I Certified Coach

Red Cross Safety Training for Swim Coaches Certification (concealed information)

Red Cross Adult and Pediatric First Aid/CPR/AED
(concealed information)

About the lesson

Whether you are a beginner overcoming a fear of water or an athlete training for your first race, my lessons are tailored exactly to your goals.

Why Train With Me?

What sets me apart is the intersection of formal coaching experience and real-world endurance. Plus a background in data analysis that I leverage to break down your stroke to the smallest detail.

As an instructor at Peninsula Swim School and an active triathlete, I combine precise, safety-first instruction, with the mental grit and mechanics needed for high-performance open water or pool swimming.

My Method & Typical Lesson Plan
I use a "principle-first" approach, focusing on hydrodynamics, breath control, and core alignment to make swimming feel effortless rather than exhausting. A typical 50-minute session includes:

0-10 mins: Dynamic warm-up and breath-pacing drills.

10-30 mins: Targeted technical progression (focusing on body roll, catch mechanics, or kick efficiency).

30-45 mins: Main endurance or conditioning set tailored to your current fitness level.

45-50 mins: Cool-down and mindful stroke review.

Who These Lessons Are For

I work with all levels, specializing in adults conquering water anxiety, lap swimmers looking to refine their stroke, and multi-sport athletes looking to shave minutes off their triathlon swim splits. Let’s unlock your peak performance in the water!

Review

All of our reviews are collected by us and are 100% reliable. They correspond to a real experience lived by the students of Sergio.

5 (6 reviews)

D

Dean
- 5
Perfect! Amazing coach! Very helpful for my Ironman training. I'm brand new to swimming but he gave me drills to improve!
Read more Read more

D

Dean

Perfect! Amazing coach! Very helpful for my Ironman training. I'm brand new to swimming but he gave me drills to improve!
W

Willem
- 5
Perfect! Highly recommend. Sergio gave great tips on how to improve fast as a total beginner, demonstrating and coaching me through good beginner drills. Can’t wait to practice these, see progression, and book further lessons with him.
See the response from Sergio Read more Read more

W

Willem

Perfect! Highly recommend. Sergio gave great tips on how to improve fast as a total beginner, demonstrating and coaching me through good beginner drills. Can’t wait to practice these, see progression, and book further lessons with him.

Sergio's response
Very punctual and great communication. Very open to feedback and to absorbing new concept during our lesson.
- Sergio's response :
  Very punctual and great communication. Very open to feedback and to absorbing new concept during our lesson.
A

Anu
- 5
Perfect! We’ve had a wonderful experience with Sergio as Neil’s swimming instructor! Sergio is incredibly patient, encouraging, and great with kids. He immediately made Neil feel comfortable and confident in the water, and Neil genuinely looks forward to every lesson.

What really stands out is Sergio’s ability to make the lessons fun while still focusing on proper technique, water safety, and building strong swimming skills. We’ve already seen a noticeable improvement in Neil’s confidence and swimming ability.

Sergio is professional, kind, and clearly passionate about teaching. We feel very fortunate to have found him and would highly recommend Sergio to any family looking for an excellent swimming instructor for their child!
See the response from Sergio Read more Read more

A

Anu

Perfect! We’ve had a wonderful experience with Sergio as Neil’s swimming instructor! Sergio is incredibly patient, encouraging, and great with kids. He immediately made Neil feel comfortable and confident in the water, and Neil genuinely looks forward to every lesson.

What really stands out is Sergio’s ability to make the lessons fun while still focusing on proper technique, water safety, and building strong swimming skills. We’ve already seen a noticeable improvement in Neil’s confidence and swimming ability.

Sergio is professional, kind, and clearly passionate about teaching. We feel very fortunate to have found him and would highly recommend Sergio to any family looking for an excellent swimming instructor for their child!

Sergio's response
It's been a pleasure coordinating classes with Anu for their son Neil. Very punctual and great communication!
- Sergio's response :
  It's been a pleasure coordinating classes with Anu for their son Neil. Very punctual and great communication!
M

Mark
- 5
Perfect! Very knowledgeable and articulate. Sergio was able to assist me with my goals significantly even after just one lesson.
See the response from Sergio Read more Read more

M

Mark

Perfect! Very knowledgeable and articulate. Sergio was able to assist me with my goals significantly even after just one lesson.

Sergio's response
Mark is a great to work with diligent, open to feedback, and eager to learn. He picked up new concepts quickly during our lesson and communicated clearly throughout.
- Sergio's response :
  Mark is a great to work with diligent, open to feedback, and eager to learn. He picked up new concepts quickly during our lesson and communicated clearly throughout.
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Recommendations

Recommendations come from relatives, friends and acquaintances of the teacher

A

Anna

Sergio is simply amazing.
My son is a tough cookie, and I really mean it. He is super active and hard to keep focused, plus not fluent in English, but Sergio was able to connect with him and keep classes entertaining and educational. My son always looks forward to swim class with Sergio.
Read more

A
Anna
Sergio is simply amazing.
My son is a tough cookie, and I really mean it. He is super active and hard to keep focused, plus not fluent in English, but Sergio was able to connect with him and keep classes entertaining and educational. My son always looks forward to swim class with Sergio.
A

Alina

Sergio is a very knowledgeable and attentive swimming instructor! He’s always punctual, pays close attention to details, and is a great communicator :) He explains things well and makes each lesson productive and enjoyable. I really enjoyed our lessons together, got to improve my swimming and would definitely recommend him!
Read more

A
Alina
Sergio is a very knowledgeable and attentive swimming instructor! He’s always punctual, pays close attention to details, and is a great communicator :) He explains things well and makes each lesson productive and enjoyable. I really enjoyed our lessons together, got to improve my swimming and would definitely recommend him!
View more recommendations

Rates

Rate

£65

Pack prices

5h: £325
10h: £651

Travel

+ £15

free lessons

The first free lesson with Sergio will allow you to get to know each other and clearly specify your needs for your next lessons.

Triathlete and current swim instructor at local swim school teaching all ages.

Lesson location

Recommended

About Sergio

About the lesson

Review

Recommendations

Rates

Rate

Pack prices

Travel

free lessons

online

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