Sophie, Countess of Wessex has been training for a DofE bike ride. Will be cycling 450 miles from Holyrood to Buckingham Palace in six days. Will set off on September 19 and arrive on September 25

Sophie, Countess of Wessex smile for the camera mid-ride.

Sophie, Countess of Wessex concentrates during one of the training rides that have seen her fall off her bike and be hurled into hedges and as she's pedaled around Balmoral and the grounds of Bagshot Park in Surrey

Sophie, Countess of Wessex flashes a smile during a training ride.

Sophie, Countess of Wessex announced that she'd be taking on the Edinburgh to London cycling challenge in March to mark the 60th anniversary of the Duke of Edinburgh Award

Sophie, Countess of Wessex looks happy and relaxed in this intimate photo in which she's taking one of the highlights of training: a cake break.



Sophie, Countess of Wessex (centre) trained with Sandhurst physical training instructor Rachel McKenzie (right) and Captain Craig Bywater from CAMUS (Corps of Army Music)

Sophie, Countess of Wessex has been training for a DofE bike ride and has charted her training in a series of photos that she has shared with MailOnline