Dame Kelly Holmes

Dame Kelly Holmes, 2004 Double Olympic Gold Medallist, Honorary Starter of the Bupa Great South Run 2012

Iwan Thomas

Presenter and former 400m Olympic athlete, running for Macmillan Cancer Support

Sally Gunnell

Former Olympic 400m hurdles champion

Sarah Gomme

ITV Meridian presenter

Bertie Portal

Ashes to Ashes, Heartbeat, The Kings Speech, My Week with Marilyn, running for Leukaemia & Lymphoma Research

Holly Davidson

Renford Rejects, The Bill, Casualty, running for Leukaemia & Lymphoma Research

George Rainsford

Call the Midwife, Law & Order: UK, Waking the Dead, running for Leukaemia & Lymphoma Research

Daniel Casey

Midsomer Murders, Marchlands, Inspector George Gently, running for Leukaemia & Lymphoma Research

Hilary Jones

Resident health editor on Daybreak, running for Diabetes UK

Dee Thresher

Celebrity fitness trainer, running for Diabetes UK

Sarah Antony

Television and theatre actress, running for Leukaemia & Lymphoma Research

Ray MacAllan

Dream Team, The Bill, Coronation Street, EastEnders, running for Leukaemia & Lymphoma Research

Richard Dunwoody

Retired British jockey

Billy Sharp

Southampton footballer on loan to Nottingham Forest, running for the Luey Jacob Sharp Foundation

Vicky Binns

Played Molly Dobbs in Coronation Street and Ollie Reynolds in Emmerdale, running for Leukaemia & Lymphoma Research