The top-secret On shoe that won the Boston Marathon

Are we witnessing the future of running shoe innovation with Hellen Obiri’s laceless, 3D-printed carbon-plated racing shoe?

Hellen Obiri wins her second consecutive Boston Marathon

The women’s race was sedate and tactical, and came down to a sprint finish between Obiri and her compatriot, Sharon Lokedi

Boston Marathon women’s preview: Sharon Lokedi ready for Kenyan showdown

There’s a lot on the line this year, including Olympic team spots for Kenya and Ethiopian athletes