Teams from businesses in the Bankside area compete in Montague Close.
The race, organised by Better Bankside, will raise money for local charity Paintings in Hospitals which runs the Menier Gallery.
Spectators and participants will be able to buy pancakes with a variety of toppings from market trader Baxter's and the Southwark Cathedral Refectory.
Cathedral Square Montague Close, London, SE1info • what's on @ • map
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