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Both calculators run independently — change the inputs on either side to compare results.

Swimming Training Zone Calculator

Calculate target swim pace per 100 meters for each training zone (recovery, aerobic, threshold, VO2 max, sprint) from your current threshold pace. Use it to structure interval workouts that hit specific physiological adaptations.

Threshold Pace (per 100m) (seconds)

Training Zone

Fill in the required fields to see your result.

Swimming

Swimming Training Zone Calculator

Calculate interval target times and work-to-rest breakdowns for any training zone based on your T-pace. Perfect for structured swim workouts.

T-Pace (100m threshold time) (seconds)

Training Distance

Training Zone

Work to Rest Ratio

Fill in the required fields to see your result.

Key differences

	Swimming Training Zone Calculator	Swimming Training Zone Calculator
Category	Swimming	Swimming
Inputs required	2	4
Result	Target Pace (seconds per 100m)	Total Interval Time (seconds)
What it does	Calculate target swim pace per 100 meters for each training zone (recovery, aerobic, threshold, VO2 max, sprint) from your current threshold pace. Use it to structure interval workouts that hit specific physiological adaptations.	Calculate interval target times and work-to-rest breakdowns for any training zone based on your T-pace. Perfect for structured swim workouts.