Swimming VO2 Short 90/60 (45 Minutes)

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45 minutes swimming vo2-short 90/60

Timer plan

{"version":1,"root":{"type":"sequence","items":[{"type":"loop","label":"Main set","repeat":18,"items":[{"type":"interval","label":"Swim","durationSeconds":90,"mode":"exercise"},{"type":"interval","label":"Easy swim","durationSeconds":60,"mode":"rest"}]}]}}

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Workout Guidance

Plan notes

Intent summary

The purpose of Swimming VO2 Short 90/60 (45 Minutes) is short aerobic-power repeats with controlled recoveries in a long swimming vo2 short format. The 90/60 timing and high-repetition set should make the setup feel planned: adjust one movement choice variable at a time and keep the target repeatable for the intermediate version.

Work focus

Use the 1:30 aerobic-power rep in Swimming VO2 Short 90/60 (45 Minutes) for repeatable swimming output in the 45-minute 90/60 plan. 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. Because this vo2 short window is long, use a sustainable rhythm and avoid front-loading the effort; progress only when stroke quality, breathing rhythm, and wall resets remain steady.

Rest summary

The recovery blocks in Swimming VO2 Short 90/60 (45 Minutes) last 1 minute, which makes them short for this 45-minute 90/60 vo2 short pattern. Reset at the wall, settle breathing, and choose one stroke cue before pushing off again. Clear the previous rep and make the next start tidy; the goal is to feel ready to repeat strong work before comfort completely returns.

Pacing guidance

Use the opening rounds of Swimming VO2 Short 90/60 (45 Minutes) to find a repeatable swimming gear. Since the session lasts 45 minutes and follows 90/60, the back half will expose any effort that was too hot at the start. With work-heavy vo2 short 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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