pace calculator swimming

Early Beginnings


Roberto Carlos Carvalho discovered his passion for swimming at the young age of 5 in Salvador, Brazil. By 6, he had moved to São Paulo, joining the renowned Esporte Clube Pinheiros, where he quickly made a name for himself by winning numerous titles.

Rising Star

At 13, Roberto returned to his birthplace, Belo Horizonte, and embarked on a highly successful career with Minas Tênis Clube. His dedication and talent led him to participate in the prestigious Swim Camp at the University of Alabama in 1982, further enhancing his skills and technique.

swim breaststroke

Expertise in Biomechanics


A specialist in the biomechanics of swimming, Roberto combines scientific precision with practical expertise. His commitment to coaching excellence is demonstrated by his completion of all five modules of the American Swimming Coaches Association (ASCA) certification.

Professional Leadership

Roberto is the visionary founder and director of RC Swim, where he serves as a personal swimming coach. His lifelong dedication to swimming and his record-breaking achievements make him a respected and influential figure in the swimming community.

Brazilian Master Champion

Record-Breaking Achievements


  • Brazilian Master Champion and Record Holder
  • South American Master Champion and Record Holder
  • Pan American Master Champion and Record Holder
  • World Master Vice Champion
  • World Record Holder in 4x100m Freestyle and 4x200m Freestyle Relays

Mundial Masters

  • Silver Medalist - USA, 1992
  • World Record Holder - 2011
  • World Record Holder - 2013

Open Water Swims

  • 1st Place Overall - Três Marias: 10km
  • 1st Place Overall - Rei e Rainha do Mar, 2015: 2.5km
  • 1st Place Overall - Rei e Rainha do Mar, 2016: 2.5km
  • 1st Place Overall - Travessia dos Fortes: 3.5km
  • 5th Place Overall - Aquaman Capitólio, 2019: 5km

ASCA Certification


Swim Workout Sampler


Pace Swim Calculator


The Swim Speed and Critical Swim Speed (CSS) Calculator is a tool designed to help swimmers and triathletes measure their current swimming performance and predict future training zones

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