Free Swimming Resources for Every Swimmer

Calculators, technique guides, training plans, and workouts. All free, no signup required.

What is SwimScience?

SwimScience provides free, professional-quality swimming resources based on 15+ years of competitive swimming experience. No ads, no paywalls, no required signups.

Explore Our Resources

Why Swimmers Trust SwimScience

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Expert-Built

Created by competitive swimmers with 15+ years experience

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Science-Based

All calculators use proven formulas and research

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Always Free

No paywalls, no ads, no required signups

Popular Resources

Pace Calculator

Calculate pace per 100m for any distance and time. Most popular calculator.

Training Zones Calculator

Calculate your 5 training zones based on threshold pace.

Freestyle Technique Guide

Master freestyle with proper body position, catch, and breathing.

CSS Calculator

Find your Critical Swim Speed for training zone calculations.

Beginner Training Plan

12-week progressive plan for swimmers with 0-6 months experience.

SWOLF Calculator

Measure swimming efficiency with SWOLF score (strokes + time).

Take Your Swimming to the Next Level

While SwimScience provides excellent free tools, serious swimmers need comprehensive analytics. SwimAnalytics automatically imports your swim data and provides AI-powered insights.

  • ✓ Automatic data import from your watch
  • ✓ AI-powered training recommendations
  • ✓ Progress tracking across all metrics
  • ✓ Personalized training plans
  • ✓ Race prediction and pacing strategies
Try SwimAnalytics Free →

About SwimScience

SwimScience was created by Albert Arno, a competitive swimmer with 15+ years experience including national-level competitions. Frustrated by ad-heavy, paywall-locked swimming tools online, Albert built SwimScience to provide free, professional-quality resources for all swimmers.

All content is based on proven swimming science, personal competitive experience, and established training principles. SwimScience will always remain free and ad-free.

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