Lewis Hamilton has detailed how he remains mentally a d physically strong and how his training has changed over his 19 years in Formula 1.<br>At 40 years old, the Briton is the second-oldest driver on the grid behind two-time champion Fernando Alonso at 44. Over the years, his approach to training and his non-negotiables have changed.<br>"When I was younger, I think the training was really my ...<a class='more' href='https://www.motorsport.com/f1/news/lewis-hamilton-training-routine-mentally-physically-strong-at-40/10787467/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>