25Sport — Sports Calculators
Swimming Workouts

Fat-Burning Swimming Plan: 25 Workouts (1000m–1500m)

A 25-session swimming training plan designed to increase energy expenditure through light to moderate aerobic exercise.

After 20 to 30 minutes of continuous swimming, your body begins to burn stored muscular fat and later shifts to body fat as an energy source.

To maximize calorie burn, this plan includes a mix of moderate and high-intensity aerobic exercises, along with continuous swimming sets at medium effort.


Guidelines

  • Sessions start at ~1000m and gradually increase to 1500m.
  • Odd sessions: use fins. Even sessions: use pull buoy and paddles.
  • Continuous swim sessions: 1, 4, 7, 11, 14, 20, and 25.
  • Continuous swim distances begin at 300m and increase to 1500m.
  • Always use small paddles suited to your strength — oversized paddles risk shoulder injury.
  • Kick sets should be done at a strong pace to maximize impact.
  • Technique drills, although few, should be done with full concentration.
  • Core exercises before or after your swim and full-body stretching after each session are recommended.

Swimming Workout Plan

Session 1 — Continuous Swim (1050m)

Warm-up: 2 × 150m (15″ rest) — 100m double-arm backstroke + 50m freestyle

Technique: 4 × 25m freestyle (10″ rest). Count strokes and maintain good form.

Aerobic: 3 × 100m freestyle with fins (10″ rest), focus on strong leg action.

Continuous: 300m mixed strokes (no freestyle). This distance increases up to 1500m by session 25.

Cool-down: 50m very easy + stretching.

Session 2 (1050m)

Warm-up: 100m freestyle + 50m backstroke + 50m breaststroke

Technique: 4 × 25m freestyle (10″ rest) — underwater recovery, focus on strong stroke finish.

Aerobic 1: 6 × 50m kick sets (15″ rest). Change stroke every rep, strong pace.

Aerobic 2: 6 × 50m alternating freestyle and backstroke with pull buoy (15″ rest).

Cool-down: 50m very easy + stretching.

Session 3 (1050m)

Warm-up: 100m freestyle + 100m backstroke + 100m breaststroke

Technique: 4 × 25m freestyle (10″ rest) — catch-up drill, thumb to ear.

Aerobic 1: 8 × 50m freestyle with fins (10″ rest), steady pace (~70%).

Aerobic 2: 200m continuous flutter kick, strong pace.

Cool-down: 50m very easy + stretching.

Session 4 — Continuous Swim (1150m)

Warm-up: 100m double-arm backstroke + 100m moderate backstroke + 100m freestyle strong

Technique: 4 × 25m freestyle (10″ rest) — touch kickboard and catch-up drill (thumb to ear).

Aerobic: 600m continuous freestyle. Distance increases in future sessions.

Cool-down: 50m very easy + stretching.

Session 5 (1150m)

Warm-up: 200m backstroke — 50m double-arm + 50m left arm only + 50m right arm only + 50m full stroke

Technique: 8 × 25m freestyle (10″ rest) — alternate left-side and right-side drills.

Aerobic 1: 300m continuous with fins: 100m backstroke + 100m freestyle.

Aerobic 2: 400m freestyle continuous at a steady pace.

Cool-down: 50m very easy + stretching.

Session 6 (1250m)

Warm-up: 300m freestyle with flip turns and gliding.

Technique: 8 × 25m freestyle (10″ rest) — 12.5m with explosive finish + 12.5m with weak finish.

Aerobic 1: 2 × 200m (30″ rest) — first with pull buoy; second with paddles.

Aerobic 2: 300m kicking without kickboard.

Cool-down: 50m very easy + stretching.

Session 7 — Continuous Swim (1350m)

Warm-up: 3 × 100m (10″ rest) — freestyle, backstroke, mixed.

Aerobic 1: 4 × 25m kick at 100% effort (5″ rest).

Technique: 4 × 25m freestyle (10″ rest) — catch-up drill with underwater recovery.

Aerobic 2: 800m continuous freestyle at a good pace.

Cool-down: 50m very easy + stretching.

Session 8 (1250m)

Warm-up: 400m mixed strokes without freestyle.

Aerobic 1: 200m continuous backstroke kick.

Aerobic 2: 2 × 300m (20″ rest) — first: double-arm backstroke with paddles; second: freestyle touch kickboard.

Cool-down: 50m very easy + stretching.

Session 9 (1350m)

Warm-up: 2 × 200m (30″ rest) — 75m freestyle + 50m mixed kick + 75m freestyle.

Technique: 4 × 50m (10″ rest) — 25m butterfly kick + 25m two kicks one stroke.

Aerobic 1: 5 × 100m with fins (5″ rest) — 50m freestyle + 50m kick.

Aerobic 2: 200m continuous backstroke kick.

Cool-down: 50m very easy + stretching.

Session 10 (1250m)

Warm-up: 4 × 100m freestyle (10″ rest) — 25m full stroke + 25m left-side kick + 25m right-side kick + 25m full stroke.

Technique: 8 × 25m freestyle with pull buoy (10″ rest) — focus on stroke finish.

Aerobic: 3 × 200m (20″ rest) — pull buoy: backstroke+freestyle; paddles: freestyle only; pull+paddles: backstroke.

Cool-down: 50m very easy + stretching.

Session 11 — Continuous Swim (1450m)

Warm-up: 400m — 150m double-arm backstroke + 50m left arm only + 50m right arm only + 150m normal backstroke.

Aerobic: 1000m continuous freestyle at a good pace.

Cool-down: 50m very easy + stretching.

Session 12 (1350m)

Warm-up: 400m freestyle — alternating 50m normal and 50m catch-up with strong kick.

Aerobic 1: 300m kick with vertical kickboard (added resistance).

Aerobic 2: 2 × 300m freestyle at a good pace (15″ rest).

Cool-down: 50m very easy + stretching.

Session 13 (1350m)

Warm-up: 200m easy backstroke + 100m hard double-arm backstroke.

Aerobic: 40 × 25m freestyle at a good pace (3″ rest). Keep a consistent pace throughout.

Cool-down: 50m very easy + stretching.

Session 14 — Continuous Swim (1450m)

Warm-up: 200m mixed strokes without freestyle.

Aerobic: 1200m continuous aerobic freestyle.

Cool-down: 50m very easy + stretching.

Session 15 (1350m)

Warm-up: 300m — 100m backstroke + 100m freestyle + 100m alternating.

Technique: 12 × 25m (5″ rest) — alternating freestyle and backstroke kick at a good pace.

Aerobic 1: 5 × 100m freestyle with fins (15″ rest).

Aerobic 2: 2 × 100m freestyle (15″ rest) — first building up speed, second slowing down.

Cool-down: 50m very easy + stretching.

Session 16 (1350m)

Warm-up: 100m freestyle + 100m backstroke + 100m breaststroke + 100m backstroke.

Aerobic: 3 × 300m (10″ rest) — pull buoy: hard backstroke + freestyle; paddles: backstroke + freestyle; pull+paddles: freestyle.

Cool-down: 50m very easy + stretching.

Session 17 (1350m)

Warm-up: 4 × 100m (15″ rest) — catch-up drill + backstroke kick hands up + no aerial recovery + butterfly kick.

Aerobic 1: 300m continuous freestyle kick.

Aerobic 2: 500m continuous freestyle with fins.

Cool-down: 50m very easy + stretching.

Session 18 (1350m)

Warm-up: 300m backstroke — double-arm + left arm only + right arm only, alternating.

Technique: 200m freestyle — alternating 25m closed fists + 25m half-open hands.

Aerobic 1: 4 × 50m freestyle kick at 90% (10″ rest).

Aerobic 2: 600m — 200m freestyle pull + 200m freestyle pull+paddles + 200m freestyle paddles.

Cool-down: 50m very easy + stretching.

Session 19 (1350m)

Warm-up: 300m — double-arm backstroke with breaststroke kick + breaststroke freestyle kick + hard backstroke kick.

Technique: 4 × 50m backstroke (10″ rest) — three strokes per arm + catch-up drill.

Aerobic: 800m freestyle with fins — repeating pattern: 50m easy + 50m normal + 100m hard.

Cool-down: 50m very easy + stretching.

Session 20 — Continuous Swim (1450m)

Warm-up: 200m mixed strokes without freestyle.

Aerobic: 1300m continuous freestyle.

Cool-down: 50m very easy + stretching.

Session 21 (1450m)

Warm-up: 2 × 150m (20″ rest) — closed fists + backstroke kick + closed fists.

Technique: 4 × 50m breaststroke (10″ rest) — two kicks one stroke + butterfly kick with recovery.

Aerobic 1: 300m freestyle kick with fins and kickboard.

Aerobic 2: 3 × 200m aerobic freestyle (20″ rest).

Cool-down: 50m very easy + stretching.

Session 22 (1550m)

Warm-up: 2 × 150m (15″ rest) — double-arm backstroke + building freestyle + normal backstroke.

Aerobic: 2 × 600m freestyle (20″ rest) — first with pull buoy only; second with paddles only.

Cool-down: 50m very easy + stretching.

Session 23 (1650m)

Warm-up: 2 × 400m (10″ rest) — building freestyle 50–70%; technique freestyle 60%.

Aerobic: 3 × 400m easy mixed freestyle (5″ rest).

Cool-down: 50m very easy + stretching.

Session 24 (1500m)

Warm-up: 300m freestyle + 200m backstroke + 100m breaststroke + 50m hard freestyle.

Technique: 8 × 25m freestyle (10″ rest) — perfect technique, strong kick, strong finishes.

Aerobic: 600m — 200m freestyle kick + 200m backstroke pull + 200m freestyle paddles.

Cool-down: 50m very easy + stretching.

Session 25 — Continuous Swim (1850m)

Warm-up: 300m backstroke with drills.

Aerobic: 1500m continuous freestyle. 🎉 Final session!

Cool-down: 50m very easy + stretching.

Glossary

Freestyle (crawl)
The fastest and most common stroke — face down, alternating arm strokes with a flutter kick.
Backstroke
Swimming face up, alternating arm strokes with a flutter kick.
Breaststroke
Face down, arms sweep outward together while legs do a frog kick.
Pull buoy
A foam float placed between your thighs so your legs float, letting you focus on arm work only.
Paddles
Flat plastic plates strapped to your hands to increase resistance and build arm strength.
Fins
Rubber foot extensions that help you swim faster and strengthen your kick.
Catch-up drill (punto muerto)
One arm waits stretched out in front while the other completes its full stroke. Teaches patience and long strokes.
Underwater recovery
Instead of lifting your arm over the water, you sweep it forward under the surface. Builds feel for the water.
Flip turn (volteo)
A somersault at the wall to turn around without stopping.
Cool-down (vuelta calma)
Easy, relaxed swimming at the end to bring your heart rate down.
Building (progresivo)
Gradually increasing your speed within a swim — start easy, finish fast.
Closed fists drill
Swimming with fists closed to improve feel for the water — when you open your hands again you notice how much more you grip.
Vertical kickboard
Holding the kickboard upright to create drag, making your kick work harder.