The Lloyds Bank Cardiff Half Marathon takes place on Sunday 6th October.
The predominately flat route will takes runners past the capital's most iconic landmarks.
More than 18,000 people took part in the biggest road race in Wales last year, and a record-breaking 20,000 are expected to run the 13.1 miles this year.
As well as the thousands of charity runners taking part, there will be a number of serious athletes running to cross the finish line first.
Runners will be looking for cool, dry conditions with a light breeze to make for the best conditions to complete the Cardiff Half Marathon.
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6 October - Running the Cardiff Half Marathon? Check the weather forecast.
This year's event repeats the course of last year, with runners starting the 13.1 miles in the centre of Cardiff near the castle, before taking in the sights of the city including:
The course will take runners back into the city centre as they cross the finish line at the Civic Centre in central Cardiff.
The wheelchair race starts at 08.50 and the rest of the runners will start the half marathon from 09.00.
For further information about the race, visit the Cardiff Half Marathon official website.
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