Swimming Threshold 180/120 (45 Minutes)

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45 minutes swimming threshold 180/120

Timer plan

{"version":1,"root":{"type":"sequence","items":[{"type":"loop","label":"Main set","repeat":9,"items":[{"type":"interval","label":"Swim","durationSeconds":180,"mode":"exercise"},{"type":"interval","label":"Easy swim","durationSeconds":120,"mode":"rest"}]}]}}

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Workout Guidance

Plan notes

Intent summary

Swimming Threshold 180/120 (45 Minutes) is a long swimming timer aimed at strong sustained intervals near the top of controlled effort. Its threshold format uses 180/120 work/recovery phases to create a repeatable set, and the back half will expose any effort that was too hot at the start, so scale the movement choice early if output or technique stops matching the plan for the advanced version.

Work focus

Treat the threshold interval in Swimming Threshold 180/120 (45 Minutes) as a clear swimming cue. Use every 3-minute block inside this 45-minute 180/120 timer to keep the stroke clean, kick steady, and exhale calmly while matching effort to the repeat length. Keep mechanics efficient and avoid surges that make the rest of the interval fall apart. Since this is a sustained threshold work window, hold a controlled pace and keep technique quiet; wait before adding more intensity.

Rest summary

Use rest in Swimming Threshold 180/120 (45 Minutes) deliberately. The 2-minute break is short for this swimming 45-minute 180/120 threshold timer, so 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. You are looking for a next start that feels ready to resume a measured hard effort, not fully fresh.

Pacing guidance

For Swimming Threshold 180/120 (45 Minutes), pacing should come from the whole 45-minute swimming threshold shape, not from one impressive interval. This repeatable set uses 180/120 timing, so the recoveries are limited, so repeatability matters more than peak output; start just under the target and let discipline matter more than a dramatic finish, and remember that the back half will expose any effort that was too hot at the start.

Common mistakes

Confusing threshold work with max-effort sprinting.
Letting pace swing wildly between intervals.
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 hard work controlled. Stop immediately if you feel chest pressure, faint, severely short of breath, dizzy, uncoordinated, or unable to keep technique aligned with the plan.

Related timers

Swimming Threshold 120/30 (45 Minutes)

Swimming Threshold 120/60 (45 Minutes)

Swimming Threshold 150/30 (45 Minutes)

Cycling Threshold 180/120 (45 Minutes)

Timer plan