Running shoe company Brooks Sports has announced a multi-year partnership with Chrissie Wellington, a British triathlete and reigning Ironman Champion.

Brooks, a Berkshire Hathaway subsidiary, becomes her official performance running shoe brand.

"I am so honoured and excited to officially join the Brooks team," said Wellington, who has chosen to run in Brooks' T6 Racer for the past three years.

"Brooks is a highly respected brand and a favourite among pro competitors."

Jim Weber, company president and CEO, added: "Chrissie Wellington embodies the strength, passion, and drive to succeed that we look for in brand partners."