Ask AI Tom
Free Tool

Swimming Training Zones | Swimming Training Zones

Swimming Training Zones - Swimming zones based on CSS (Critical Swim Speed)

Thomas Prommer
Built by an engineer who chases finish lines and is obsessed with data. Thomas Prommer — technology executive who has worked with Google, Apple, Nike, Adidas, Netflix and other global brands. Also an Ironman finisher, HYROX Pro Division competitor, and marathon runner. These tools combine engineering rigor with real race experience.
Thomas Prommer
Free Tool

Swimming Training Zones

Swimming zones based on CSS (Critical Swim Speed).

Methodology

Swimming zones based on CSS (Critical Swim Speed). 5 zones from recovery to sprint. CSS approximates lactate threshold pace.

FAQ

How does this work?

Swimming zones based on CSS (Critical Swim Speed). 5 zones from recovery to sprint. CSS approximates lactate threshold pace.

How accurate is this?

Based on established formulas with reasonable accuracy for most individuals.

Who should use this?

Athletes, fitness enthusiasts, and anyone looking to optimize their training.

Should I consult a professional?

Yes, especially before starting new training programs or if you have health conditions.

Results are estimates. Consult a professional for personalized guidance.