Keith Serin ← The ABC Trainerize Idea Forum My feedback 2 results found Add Heart Rate Variability (HRV) 30 votes Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Vote We’ll send you updates on this idea 6 comments · Coach / Trainer - ABC Trainerize » Client Management · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Submit Rating Keith Serin supported this idea · Jan 26, 2026 Add heart rate variability to the app 1 vote Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Vote We’ll send you updates on this idea 0 comments · Coach / Trainer - ABC Trainerize » Activity tracking and Wearables · Edit… · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Submit Rating Keith Serin shared this idea · Jan 26, 2026