The stars were praised as they shared details of their challenge
The stars are renowned for their roles as armchair critics on the popular Channel 4 programme. The two commentate on the week's best programmes alongside their dad, Sid, and brother, Umar.
A post shared on Instagram said: "With less than a week to go @razathefaint & l are honoured/ nervous to be running @londonmarathon this coming Sunday. We are raising money for the amazing @meanddeecharity charity.
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