Swimming VO2 Short 45/30 (45 Minutes)

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45 minutes swimming vo2-short 45/30

Timer plan

{"version":1,"root":{"type":"sequence","items":[{"type":"loop","label":"Main set","repeat":36,"items":[{"type":"interval","label":"Swim","durationSeconds":45,"mode":"exercise"},{"type":"interval","label":"Easy swim","durationSeconds":30,"mode":"rest"}]}]}}

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Workout Guidance

Plan notes

Intent summary

Use Swimming VO2 Short 45/30 (45 Minutes) as a long swimming session with 36 rounds of 45/30 work/recovery phases. The vo2 short intent is short aerobic-power repeats with controlled recoveries; because it is a long series, adjust one movement choice variable at a time and keep the target repeatable for the intermediate version.

Work focus

During the 45-second aerobic-power rep in Swimming VO2 Short 45/30 (45 Minutes), keep the swimming target simple enough to repeat over 45 minutes. Keep the stroke clean, kick steady, and exhale calmly while matching effort to the repeat length. Reach a strong effort quickly while keeping technique aligned with the timer. With 45/30 timing, settle into the target instead of surging at the start, then judge the interval by stroke quality, breathing rhythm, and wall resets.

Rest summary

Between efforts in Swimming VO2 Short 45/30 (45 Minutes), spend the 30-second reset on the details that make the next swimming interval useful: reset at the wall, settle breathing, and choose one stroke cue before pushing off again. Because the 45-minute plan uses 45/30 vo2 short timing, clear the previous rep and make the next start tidy, especially across 36 rounds.

Pacing guidance

Pace Swimming VO2 Short 45/30 (45 Minutes) by treating the 45-minute swimming total and 36 rounds as the real constraint: make the opening quarter deliberately sustainable so the back half still has quality. With a 45/30 vo2 short pattern and work-heavy interval density, the recoveries are limited, so repeatability matters more than peak output; let the early reps feel controlled and save the hardest breathing for the last third.

Common mistakes

Turning short hard reps into uncontrolled sprints.
Letting easy intervals become standing breaks when easy motion is planned.
Starting too fast and shortening the stroke.
Holding the breath instead of exhaling in the water.

Safety notes

Use supervised water and a lane setup that matches your ability. Stop at the wall if breathing, orientation, or stroke control becomes unreliable. Keep the movement simple and controllable. Stop immediately if you feel chest pressure, faint, severely short of breath, dizzy, unable to manage breathing, or unable to keep technique aligned with the timer intent.

Related timers

Swimming VO2 Short 20/40 (45 Minutes)

Swimming VO2 Short 30/15 (45 Minutes)

Swimming VO2 Short 30/30 (45 Minutes)

Swimming VO2 Short 30/45 (45 Minutes)

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