Develop your swimming & diving — freestyle technique skills with structured practice plans, equipment guides, and proven techniques for practice habits. Includes 3 step-by-step workflows.
hobbyists building steady swimming & diving practice habits
Review starter guide for swimming & diving
Complete setup steps for Freestyle Technique
Practice core techniques from Open Water Prep
Apply skills in the Swim Workout Planning workflow
Start with the closest real-world task, then use the mapped tools inside each guide.
Complete guide for freestyle technique — step-by-step workflow, tools, checklist, and expert tips to get started.
Complete guide for open water prep — step-by-step workflow, tools, checklist, and expert tips to get started.
Complete guide for swim workout planning — step-by-step workflow, tools, checklist, and expert tips to get started.
Filter and categorize specialized tools in this niche field by functionality and complexity.
Calculate distance per stroke and swimming efficiency. Essential swimming tool for planning, budgeting, and project optimization.
Calculate SWOLF efficiency score for pool swimming. Essential swimming tool for planning, budgeting, and project optimization.
Reconcile pace per 100 for one completed, source-labelled swim distance and elapsed-time record without converting course performance or prescribing training.
Calculate a user-entered heart-rate-reserve percentage range with the Tanaka age-estimated maximum. Shows formula and limits; never prescribes training zones.
Calculate straight-line open water swim distance from GPS coordinates. Free online swimming calculator with instant, accurate results.
Calculate swim pace per 100 meters or yards from total time and distance. Free online swimming calculator with instant, accurate results.
Calculate threshold pace from 400 m and 200 m time trials. Free online swimming calculator with instant, accurate results.
Calculate rest time and training zone from send-off intervals. Free online swimming calculator with instant, accurate results.
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Get started with swimming & diving — learn to swim adults. Essential equipment, core techniques, and step-by-step guidance for complete beginners. Includes 3 step-by-step workflows.
Develop your swimming & diving — open water prep skills with structured practice plans, equipment guides, and proven techniques for diving projects. Includes 3 step-by-step workflows.
Complete open-water certification path, gear familiarity, buoyancy control, and dive planning basics.
Learn board selection, pop-up technique, ocean safety, wave reading, and etiquette in the lineup.
Learn paddle strokes, boat selection, PFD use, river reading, and flatwater to mild current progression.
Transition from pool to lakes and oceans with sighting, wetsuit use, safety protocols, and acclimatization.