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 125 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 a diverse swimming community through education, innovation and a commitment to excellence.

Our Vision
Strong leaders. Innovative Coaches. Fast Swimming  

Our Values
Middle Atlantic Swimming strives to promote a safe, positive environment while providing competitive
opportunities for members of all ages and abilities. We value integrity, fairness, leadership, innovation, and creativity.

A Tradition of Excellence
Of the 200 clubs awarded by the USA Swimming Excellence Program in 2018, 12 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.

Latest Middle Atlantic Swimming News

Meet Director and Operational Risk Director Workshop Schedule Fall 2021 & Winter 2022

All participants must be non-athlete members of USA Swimming. The workshops are for all new and re-certifying Meet Directors. For Operational Risk (formerly Safety...

By James Platt

52 Middle Atlantic Swimming Members Earn Scholastic All-America Accolades

COLORADO SPRINGS, Colo. - A standard of excellence isn’t just limited to the pool for Middle Atlantic Swimming members as evidenced by the announcement...

By James Platt

September Newsletter Now Available!

Take a look at our September Newsletter here

By James Platt

PDR Swimming for Success earns USA Swimming grant

USA Swimming announced Middle Atlantic Swimming Club PDR Swimming for Success is part of the inagural class of 12 recipients recieving Community impact grants....

By James Platt

USA Swimming Update

Return to Competition Roadmap and June Event Sanctions Over the last several weeks, planning for resuming practices has produced wide-ranging conversations about the role...

By James Platt

USA Swimming Update

Return to Competition Roadmap and June Event Sanctions To: Zone Directors, LSC General Chairs, LSC permanent staff, Club Presidents, Coaches Over the last several...

By James Platt

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