For who
For experienced swimmers ready to combine sprint intensity with serious endurance work. Ideal for those training to hold speed over distance and break through fatigue barriers.
For who
For experienced swimmers ready to combine sprint intensity with serious endurance work. Ideal for those training to hold speed over distance and break through fatigue barriers.
Training focus
Hybrid training that fuses aerobic power with sprint intensity — designed to build lasting speed and endurance under pressure.
What to expect
Challenging workouts that blend sprint bursts, endurance pacing, and lactate tolerance — with progressive loading and three challenge sets to test your limits.
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.
Sprint Launch
70 min · 4000m
Endure & Fire
70 min · 4000m
Engine Builder
79 min · 4500m
Sprint Precision
74 min · 4200m
Yellowline Repeats
77 min · 4400m
Challenge Set I
70 min · 4000m
Long Grind
88 min · 5000m
Descend & Deliver
75 min · 4300m
Endurance Load
95 min · 5400m
Lactate Spike
72 min · 4100m
Descend & Hold
93 min · 5300m
Challenge Set II
67 min · 3800m
Flow To Fire
74 min · 4200m
Endure & Ignite
70 min · 4000m
Drop Ladder
70 min · 4000m
Sprint & Smooth
74 min · 4200m
Pace To Power
88 min · 5000m
Challenge Set III
74 min · 4200m
Smooth To Surge
105 min · 6000m
Lactate Tolerance
70 min · 4000m
Base To Threshold
88 min · 5000m
Redline Repeats
72 min · 4100m
Engine Reset
70 min · 4000m
Final Challenge
79 min · 4500m
We recommend Strength Gains to pair with this plan — building strength and endurance to support sprint endurance in the pool.
Answers to common questions about this plan, equipment, pacing, and getting started.
For experienced swimmers ready to combine sprint intensity with serious endurance work. Ideal for those training to hold speed over distance and break through fatigue barriers.
Sprint Enduro
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