Lact8 helps athletes identify their lactate thresholds (LT1 and LT2) from step test data and calculate personalized training zones.
Features:
• Record lactate, heart rate, and power/pace from step tests
• Automatic threshold detection using proven methods
• Multiple zone systems (3-Zone, 7-Zone Touretski, 8-Zone Couzens)
• Track threshold progression over time
• Export data as CSV, JSON, or Markdown
Perfect for cyclists, runners, and triathletes who want data-driven training zones based on their own physiology.