The coursepublished at 09:20
Here is the route runners will take, taking in the views of Penarth, Cardiff Bay and Roath Park among others before the most welcome sight of all, the finish line.
Image source, Cardiff Half MarathonSummary
Men's race won by Ugandan Ben Siwa
Lenah Jerotich of Kenya finishes first in women's race
Richard Powell wins wheelchair race
More than 22,000 people take part
More than 50,000 spectators watch
Second largest half marathon in the UK behind the Great North Run
Same route as the World Half Marathon Championships due to be held in 2016
The coursepublished at 09:20
Image source, Cardiff Half MarathonThe targetpublished at 09:05
Here is the sight runners will be delighted to see, the finish line. All that stands between you and the end is 13.1 miles of Cardiff road...
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End of twitter postWe're off!published at 09:00
We are under way! The hooter has been sounded and the 2015 Cardiff Half Marathon has begun.
First to startpublished at 08.51
The wheelchair race has just begun, main race to start in 10 minutes.
Ready, set...published at 08:47 British Summer Time 4 October 2015
Runners are taking their positions at the start of the race
Send us your picturespublished at 08:41
As part of our coverage, we will be publishing pictures on our Facebook, Twitter and Instagram pages. Get involved and send your images to newsonline.wales@bbc.co.uk
Road closurespublished at 08:27
For those of you not taking part in the race, be aware that there are a number of road closures in place around the city.
Good morningpublished at 08.16
Good morning to all the runners and spectators at the Cardiff Half Marathon today. We will be bringing you regular updates throughout the race. Best of luck everyone!
Image caption, Runners taking part in last year's race