in the 1930s, Hans Selye found that stress is the key to adaptation.

‘The tide changes in five hours,’ Matt continued, now standing up from the ladder’s step. ‘I know the North of Scotland sailing authority states dangerous seas, violent waves and strong tidal races should be avoided by small craft, but you’re not a ‘small craft’. You’re a Viking warship making your way home to fulfil a promise made to your dad.’ I

With a love of adventure and penchant for the impossible, dad, husband and captain Matt Knight was recommended to me by a mutual friend as the ideal man to lead my crew.

‘Marathon runners have a reduced experience of pain compared with non-runners,’

‘You’re crazy, but you seem happy and harmless,’ one of the sailors replied.

central to any adventure is camaraderie and the science of a smile.

Athletes are taught to perform at their best, When they feel at their best. Royal Marines are taught to perform at their best, When they feel at their worst.

we skipped the formalities and instead spoke about scones and swimming and I ate pizza out of my pocket as they proudly told me about the history and heritage of their beloved town.

Keeping the heart rate at a sustainable level is essential for optimum performance in endurance events (Impeccable Pacing). If the heart rate is too high (or too low) this encourages the brain to send a signal to our bodies to shut down.