Meet Britain's toughest mum: She's pumped breast milk while running 268 miles. Now she's become the first woman to finish one of the world's hardest races - all while raising two children and working full-time...

Meet Britain's toughest mum: She's pumped breast milk while running 268 miles. Now she's become the first woman to finish one of the world's hardest races - all while raising two children and working full-time...

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