For who
For swimmers looking to build aerobic fitness and freestyle efficiency. Ideal for those training for longer swims and aiming to improve endurance with purpose and control.
For who
For swimmers looking to build aerobic fitness and freestyle efficiency. Ideal for those training for longer swims and aiming to improve endurance with purpose and control.
Training focus
Structured high-volume training that blends aerobic conditioning with technique, designed to increase freestyle durability and long-distance performance.
What to expect
Freestyle-focused endurance workouts combining distance sets, drills, and best average swims. The plan builds progressively and finishes with an 800 max effort to test your stamina and progress.
Equipment you need
You can adjust the equipment to suit your preferences and available gear.
Download DuoSwim, start your first workout, and build momentum this week.
Step 1
Download DuoSwim and log in to unlock your plan and workout guidance.
Step 2
Start your recommended plan or choose the one that fits your goal and schedule.
Step 3
Follow your workouts with clear pacing, intervals, and progress tracking built in.
Step 4
Stay consistent each week, build momentum, and reach your goal with confidence.
Breakdown of distance covered in each heart rate zone per workout.
Preview the structure of this plan with workout names, estimated duration, and distance.
Freestyle Foundation
32 min · 1800m
Efficiency Boost
39 min · 2200m
Build Your Engine
35 min · 2000m
Endurance Base
37 min · 2100m
Smooth & Efficient
35 min · 2000m
Best Avg Challenge I
37 min · 2100m
Kick, Pull & Swim Mix
39 min · 2200m
Smooth & Surge
42 min · 2400m
Threshold Breaker
42 min · 2400m
Drop Set
39 min · 2200m
Freestyle Refinement
39 min · 2200m
Swim The Distance
37 min · 2100m
Smooth To Strong
49 min · 2800m
Non-Stop Freestyle
49 min · 2800m
Endurance Drop
49 min · 2800m
Stamina Surge
56 min · 3200m
Fluid Freestyle
49 min · 2800m
Best Avg Challenge II
46 min · 2600m
Smooth & Long
53 min · 3000m
Endure & Fire
49 min · 2800m
Threshold Grind
46 min · 2600m
Ultimate Drop Set
53 min · 3000m
Form & Flow
37 min · 2100m
Final Challenge
47 min · 2700m
We recommend Strength Gains to pair with this plan — building swim-specific strength and posture to support long-distance freestyle training.
Answers to common questions about this plan, equipment, pacing, and getting started.
For swimmers looking to build aerobic fitness and freestyle efficiency. Ideal for those training for longer swims and aiming to improve endurance with purpose and control.
Endurance Freestyle
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