Middle Atlantic Swimming (MASI) is one of 59 Local Swimming Committees (LSC's) of USA Swimming, the national governing body of competitive swimming in the United States. MASI consists of Eastern Pennsylvania, Southern New Jersey, and all of Delaware. We have over 115 member clubs, 11,000+ athletes and 1,200+ officials, coaches and non-athlete members.
Our LSC is driven by:
Our Mission Middle Atlantic Swimming advocates the growth and development of our safe and diverse swimming community through education, innovation and a commitment to excellence. |
Our Vision Utilize the sport of swimming to inspire strong leaders, build character and achieve excellence. |
Our Values Safety Integrity Fairness Leadership Innovation Creativity |
A Tradition of Excellence
Of the 200 clubs awarded by the USA Swimming Excellence Program in 2022, 8 were from MASI
Of over 3,000 USA Swimming clubs, 25 of the top 500 are part of Middle Atlantic Swimming.
Middle Atlantic Swimming has had at least one athlete on each Olympic team since 1952.
Middle Atlantic Swimming is proud to partner with the Egg Harbor Township Seahawks to host the 2023 Eastern Zone Open Water Championships in Marmora,...
The MASI House of Delegates approved the 2023-24 Meet Schedule. The schedule is here.
BLUE BELL, PA – Middle Atlantic Swimming’s highest qualifying-level athletes recently returned from a four-day Elite Select Camp under former U.S. Olympic Coach Gregg...
All participants must be non-athlete members of USA Swimming. The workshops are for all new and re-certifying Meet Directors and Operational Risk Directors. Please...
Middle Atlantic Swimming is excited to announce our partnership with Your Sports Resource to create a unique opportunity for our member Clubs. Your Sports...
YORK, Pa. - For most of the calendar year, most of the Middle Atlantic Swimming members are competing against each other at meets throughout...
BLUE BELL, Pa. - For many years, the Middle Atlantic Championship series has brought thrilling moments, captivating crowds, and memories to last a lifetime....
COLORADO SPRINGS, Colo. - Middle Atlantic Swimming (MASI)continues to be a force on the national level after eight different MASI clubs are recognized by...
This week, we are kicking off a new Fall Campaign with “Follow Us Friday”! We’re kicking it off in a BIG WAY with THREE...
COLORADO SPRINGS, Colo. - For the past few months, the hashtag #ChampionsSwimWithUs has circulated amongst the Middle Atlantic Swimming family. That hashtag is not...
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