Will try and get just giving links added later..all for Cancer Research Uk

The 12 riders taking part are:

Phillip Hemmings (30, from Telford, Shropshire), is the son of Trevor Hemmings, owner of Grand National winning horses Hedgehunter and Ballabriggs, and Festival victors Trabolgan and Albertas Run. Phillip is the director of one of Britain's leading National Hunt studs, Wood Farm Stud in Shropshire, which he took over in July 2012 when Bill Bromley retired. Phillip has ridden in a bumper for champion trainer Paul Nicholls, taken part in two hunter chases and won a point-to-point in Ireland for Eugene O'Sullivan.

Alex Hammond (38, Swindon), is a presenter for both Sky Sports News and At The Races. Since joining Sky Sports News in 2003, Alex has become a regular presenter on the daily show, 'Good Morning Sports Fans'. Alex has also worked on radio for Talksport, written a racing column in the Daily Mail and writes a weekly piece on skysports.com for SkyBet. Alex rides out regularly for Oxfordshire-based trainer Lawney Hill and champion trainer Paul Nicholls in Somerset and has gained valuable experience riding in over 50 amateur Flat races.

James Fenton (37, Fermoy, Co Cork, Ireland), is from a large family of racing enthusiasts in Fermoy, Co Cork and can regularly be found riding out for his uncle, David Fenton as well as local trainer Pat Flynn. James is a member of An Garda Siochana, Ireland's national police service, currently stationed in Dungarvan, Co. Waterford, attached to the detective unit. James' wife Joanne, lost a member of her family to cancer in 2011 and James is riding in the Cancer Research UK Charity race at The Festival in their memory.

Harriet Bond (20, Shipton Oliffe, Glos), is an accomplished event rider based in Gloucestershire, close to Jonjo O'Neill's Jackdaws Castle stables, where she regularly rides out on her mother's horses. Harriet, a History of Art student at Kingston University, has competed in charity races at York, Goodwood and Newmarket and is looking forward to riding at Cheltenham where her boyfriend, jockey Richie McLernon, is a regular rider. Harriet has the full support of her family and various family businesses such as BMI and Bond Aviation Group.

Brian Bunyan (45, London),originally from Kildare Town in Ireland juggles a busy corporate life, as a director in the Financial Markets Division of Standard Chartered Bank in London, with his passion for racing.Brian is making a comeback to race riding after 25 years since his last ride. During his school days, he rode four winners as an amateur jockey at Punchestown, Leopardstown and Killarney and has three horses in training in Ireland. In 2011 Brian ran the London Marathon for Racing Welfare and is active in raising money for Standard Chartered Bank's in-house charity(Seeing is Believing), which has raised more than $50million to treat preventable blindness in developing countries.Brian has personal motivation for raising money for Cancer Research UK as he lost his father to cancer.His father (Arthur) worked in horseracing for more than 60 years and with a small string had considerable success, including training Local Whisper to win the Tattersall Gold Cup at the Punchestown Festival. Brian's brother Darren, who is now training in Ireland, will provide him with a horse for the race.

Alison Royston (38, Whixley, York), has been inspired to ride in the Cancer Research UK St Patrick's Derby as she lost her mother-in-law to Myeloma, an incurable form of bone marrow cancer, in November 2012. Alison is currently employed as the Head of Football Administration for Leeds United Football Club, having previously fulfilled the same role for the FA Premier League and is delighted that the Leeds United Fitness Coach has agreed to put her through her paces with a specially tailored fitness programme ahead of her big day at The Festival in March! Alison has been riding since she was three years of age taking part in a variety of equestrian disciplines, and currently rides out at Ben Haslam's yard in Middleham, North Yorkshire where she has two horses in training. The cheers will certainly be heard in Leeds if Alison is able to live out her dream and ride a winner at The Festival.

Lucy Watson (32, London), is Digital Subscriptions Manager for the Racing Post and has gained valuable experience on the racecourse riding in point-to-points and working for Yorkshire trainer Tim Walford. Lucy has taken up the challenge of riding in the St Patrick's Derby to support her mother who, in the last 18 months, has been diagnosed with the rare form of cancer, Sarcoma. Lucy would like her mother to watch her ride at Cheltenham, a place they both hold dear in their hearts.

Mark Holder (47, Bristol),has fantastic memories of Cheltenham Racecourse from when his father, Richard Holder, won the Triumph Hurdle at the 1989 Festival with Ikdam and hopes that March 14 this year will prove an equally memorable occasion. As a child, Mark lost his best friend to cancer, and is hugely motivated to raise as much money as he can for Cancer Research UK. Mark has ridden in point-to-points, over hurdles and on the Flat as an amateur, but hasn't competed in any type of race for over 25 years. Mark keeps himself fit by riding out for trainer Michael Blake, who may also provide him with a mount for the race.