Puma claims the Fast-R Nitro Elite 3 is its "fastest ever running shoe," primed for use in the London and Boston marathons.

Best running shoes for men with narrow feet: Puma Deviate Nitro 3 Puma running shoes have a reputation for running narrow, so they're a great pick for men who feel like their feet slide around too ...

The Fast-R Nitro Elite 3 will be available to purchase in limited supply from Friday 18 April at Puma’s Boston Marathon experience, ‘The High Point’, at 745 Boylston Street. A limited global drop will ...