Jan 23 (Reuters) - Lewis Hamilton spoke of ‌the 'massive challenge' he and other drivers face this season in Formula One's new rules era ‌as Ferrari ran their SF-26 car for the first time on Friday.

Last year was ‌the seven-times world champion's first with the sport's oldest and most glamorous team and for the first time in his career the sport's most successful driver failed to stand on the podium.