Ex-Army pals Chris Ball, Dustin Chandler and Lloyd Gillingham will take on the Isle of Wight Challenge this month in memory of colleague Roger Ball.
Roger was a patient in Bassetlaw Hospice until May last year.
The route will cover 106km
around the coast.
If you would like to support the team visit: http://uk.virginmoneygiving.com/team/RogerBall team/RogerBall