The news desk
On September 30, 2026, Runner's World reported on the problem of runners struggling to keep their heart rate in Zone 2. To address this challenge, exercise physiologist Trevor Connor and Cleveland Clinic cardiologist Tamanna Singh offered advice: first accurately measure maximum heart rate, rather than relying on the "220 minus age" formula. The report did not mention whether there had been prior related discussion or other solutions; currently available public information includes only the above expert advice, with no subsequent developments yet.
For runners who struggle to keep their heart rate in Zone 2, exercise physiologist Trevor Connor and Cleveland Clinic cardiologist Tamanna Singh recommend measuring max heart rate accurately instead of relying on the "220 minus age" formula.