Sue Barker introduces the 20th running of the annual jamboree from Greenwich to the Mall, which will feature one of the strongest line-ups ever.

The men's race includes Khalid Khannouchi, Josiah Thugwane and the defending champion Abdelkader El Mouaziz, while the women's event sees Kenya's world stars Tegla Loroupe and Joyce Chepchumba - who won last year - making a rare appearance in the same race.

Commentary is by David Coleman, Brendan Foster, Steve Cram, Paul Dickenson and Chris Hallam, with reports from Christina Boxer, Peter Elliot, Hazel Irvine, Jane Hoffen and Garth Crooks.

Coverage continues at 12.35pm.
See Choice.
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John Peel: page 15