• About GBSA

    The Greater Baltimore Swim Association is a year-round, competitive age group USA Swimming team in Catonsville, MD. Established in 1990 by Edward R. "Ted" Bresnahan, the club was founded on the premise of flexibility, encouragement and excellence in instruction. Head coach Patrick Underwood adheres to these principles as GBSA enters its 26th year. GBSA provides a positive, motivating environment, generous facilities, and expert coaching. Read More
  • Our Mission

    Our Mission: To create a positive environment in which potential can be brought to realization. To focus on improvement through hard work, technique, attention to detail, and encouragement by all members of the organization. To breed success through mutual respect, fostering desire, mental preparation, and interpersonal cooperation. We offer flexibility to allow the very busy youth of today to swim when they can around their other activities, giving them the opportunity to stay with the sport until the time comes for them to choose a sport full time. Read More
  • Excellence

    We offer excellence in instruction so that when these athletes do choose a sport, no matter what sport, they will have gained from GBSA the ability and understanding to work towards the highest goals through excellence in basic technique, focus and dedication. We encourage these athletes to constantly work towards better mechanics, emotional and mental focus, and, of course, increased dedication to swimming. We at GBSA feel that these are also valuable lessons that will aid these young people in all endeavors throughout their lives. Read More
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Spring 2017 Sunday Stroke Clinic

Registration is now open. Click here

If interested in registering ffor a class email Patrick Underwood at swimgbsa@verizon.net.

Classes will begin Sunday, March 19th. We will run ten (9) classes over ten (10) Sundays, ending Sunday 5/21.  This year registration will be done online via this website. Registration will open on Tue., 3/7, 2017 at 8pm.  1 and 2pm classes will be available; when those fill 3pm will open if necessary.

Group Time Level I Level II
Beginners: Ages 4 & up

1:00 -1:45 PM Level I: Children must be able to get in the water without parents. Level II: Children must be able to push off the wall and kick to the instructor and be able to blow bubbles.
Intermediate: Ages 5 & up

1:00 -2:00 PM Level I: Children must be able to swim 15 yards of freestyle with their face in the water and be able to kick on their back. Level II: Children must be able to swim 25 yards of freestyle and backstroke.
Competitive: Ages 6 & up

1:00 -2:00 PM Level I: Children must be able to swim 25 yards of freestyle with proficient lateral breathing and 25 yards of backstroke and have some knowledge of breast stroke. Level II: Children must be able to swim 25’s and 50’s repeatedly as well as have a competent breaststroke.

GBSA HEAD COACH: Patrick Underwood 
e-mail: swimgbsa@verizon.net


In the News

  • GBSA Registration
  • Minis
  • White 2s
  • White 1s
  • Blue Juniors
  • Seniors/Blue Seniors

Tuesday 9/6, we begin the new season and also begin registration. Each evening next week we will have a table set up for registration where you may register while the kids swim their first practice. You will register as one of the following 3 options: returning GBSA swimmer, brand new swimmer to USA swimming or transfer athlete who is coming from another team (even if it was more than a year ago).

Each night of registration, we will have a list available of fees due that must be resolved prior to registering for the upcoming season.Items to have at registration:

Returners: USA swimming registration form (at mdswim.org), GBSA team registration form (gbsaswim.org). On the team form you must indicate training group, schedule and t-shirt size.

New to USAS: same as returners but also need photocopy of birth certificates or passports.

Transfers: USA form, GBSA form, transfer form (at mdswim.org).

REGISTRATION FEES: To register each family provides 3 checks: one for registration fees, one for monthly/quarterly fees and lastly one for meet concessions and t-shirts.

Check 1:  __ number of swimmers x $255 (GBSA fee $75 USA fee $80 advertising at home meets that you can earn back $100 = $255)

Check 2: monthly/quarterly fees

Check 3: __ swimmers x $55 (t-shirt and concession). These checks must have shirt sizes in memo section of check.

All checks made payable to GBSA with specific notes in memo sections (e.g. registration fee for John, Susan and Addie Smith...) 


Minis 3x and White groups/HSD 2x per week: $210 per quarter/$70 per month
Minis 4x and others 3x per week: $225/$75
4x per week:  $240/$80
5+ per week:  $255/$85
There is a 20% discount for second, third and more per family... Swimmer attending the most pays full price.  Multiples after first swimmer get 20% off their monthly or quarterly fee.  NOT on registration or concessions/shirts.
Please get registered for the group email ASAP if you have not already. I will distribute the meet schedule through December this weekend. Looking forward to a great season. Enjoy the weekend and see you next week.


Read More
Hi Mini Parents, 
I would like to meet with all parents for 5 minutes after the Saturday 12 pm, and 1pm practice, Monday 5pm and 6pm practice, and then if I missed anyone after the Wednesday 5pm and 6pm practice. I will give you my contact information, the meets we are attending, etc. We will meet outside next to the lane 8 where the Mini's practice. Thanks, 
Coach Kellian 
GBSA Mini's Coach
Read More

Upcoming Events

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GBSA Google Group

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Congratulations, 2015-2016 AAAA Swimmers

Emily Greenwald

Claire O' Shaughnessy

Isabella Whitaker


Our Coaches

  • Patrick Underwood +

    Head Coach: Senior Gold/Blue Seniors Patrick is originally from Kent, Ohio and grew up swimming in the Northeast Ohio area. Read More
  • Bruce Claus +

    Bruce Claus - W2/High School Development Bruce is originally from Rochester, New York and grew up in competitive swimming in the Read More
  • Liz Pflaum +

    Liz Pflaum - Blue Juniors Read More
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GBSA Fall/Winter Training Schedule

Training Group Monday Tuesday Wednsday Thursday Friday



Mini 5-6 PM
6-7 PM
5-6 PM
6-7 PM
  5-6 PM
6-7 PM
12-1 PM
1-2 PM
W2 5-630 PM
630-8 PM
  430-6 PM
6-730 PM
  5-630 PM 12-130 PM
130-3 PM
W1 5-630 PM 445-615 PM 5-630 PM   6-730 PM 12-130 PM  
BLJ 5-630 PM 445-645 PM 430-6 PM 445-645 PM 5-630 PM 12-2 PM  
HSD 630-8 PM   630-8 PM   630-8 PM 130-3 PM  
BLS 6-8 PM 445-715 6-8 PM 445-715 6-8 PM 1-4 PM  
SRS 6-830 PM 445-715 6-830 PM 445-715 6-830 PM 1-4 PM