https://rollcall.com/2019/06/05/sen-chuck-grassley-announces-hes-running-3-miles-a-day-4-days-a-week/
…When he’s in D.C., the 85-year-old senator dedicates four days a week to running 3 miles — rain or shine...
Impresses the heck out of me. My grandfather walked or ran 3 miles everyday up to his 90’s. Lived to 97.