USMS Code of Regulations and Rules of Competition

This is an online version of the official Rule Book. If there are any discrepancies between this online version and the printed publication, the online version will take precedence. Printed versions of the official publication can be purchased from the National Office for $10 per copy for shipping and handling ($6 per copy for a mini Rule Book). USMS will strive to process and fulfill orders as soon as possible during this period of uncertainty due to the COVID-19 crisis. Contact the National Office at 941-256-8767 or via email to order.

Downloadable Rule Book

PDF file of the full rule book (13 MB)
PDF file of the "mini" rule book (4 MB)

Online Version

Dedication, change summary, table of contents, glossary
Part 1: Swimming Rules
Part 2: Administrative Regulations of Competition
Part 3: Long Distance Swimming Rules
Part 4: Participation, Conduct, Hearings and Appeals
Part 5: United States Masters Swimming, Inc.: Organization and Bylaws
Part 6: Amendment Procedures
Appendix A: Records
Appendix B: Information for Meet Directors and Officials
Appendix C: National and International Masters Swimming Schedule
Appendix D: Zone and LMSC Boundaries
Appendix E: U.S. Masters Swimming Directory*
Appendix F: U.S. Masters Swimming History*

* Section updated since original printed publication

All rule book files are provided here in Adobe Acrobat (PDF) format. To download a free Acrobat Reader, click here.

Competition Polices and Official Rule Interpretations

Competition polices, rules committee blog, important updates and official rule interpretations

Official Rule Interpretations and Important Updates
USMS Rules Committee Blog
Questions about rules? Visit the USMS Rules Committee Blog, which may answer your question and feel free to post questions via the comments tool in each post. Or direct any questions to the Rules Committee Chair.

FINA Masters Rules

FINA Masters rules are available on FINA's website.