Runners are being greeted by beautiful sunshine this morning as 12,000 of them get ready to pound the streets of Brighton and Hove today. The city's annual half marathon was launched in 1991 when it had just 200 runners competing. It's now one of the country's most popular seafront road races.
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The rapper joins previously announced headliners Kasabian and Muse at the top of the bill.
Friday morning's forecast for the east of the region
Friday morning's forecast for the west of the region