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Cycling Heart Rate Zone Calculator

Use your lactate threshold heart rate to calculate cycling training zones from recovery through 5c, with clear BPM ranges for each level.

Cycling Heart Rate Zone Calculator



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Last updated: February 24, 2026

Created by: Eon Tools Dev Team

Reviewed by: Pujan Thapa



Pujan Thapa

Pujan Thapa is a graduate of MPSS Sports Science from TU, with experience across sports operations, team management, and event coordination. His background gives him a practical view of sports related planning, performance, and utility workflows. At Eon Tools, he reviews sports tools.