Last year £225,000 was raised for charities by the 4,000 competitors taking up the challenge.
The 2008 event takes place on Woodbury Common, near Exeter, on October 11-12. The Devon Air Ambulance Trust needs to raise at least £2.2m each year.
for more information about Air Ambulance click here
http://www.chesterstandard.co.uk/latest-north-west-news/Royal-marines-to-raise-Air.3911505.jp