Right, I'm going to give this thing a go.

Tough Mudder is a gruelling and unforgiving 12-mile course featuring some of the most testing and potentially spirit-crushing obstacles. I will be facing fire, ice and electric shocks while tackling this feat of strength and endurance.

Last year I completed the 10km Warrior Adrenaline Race in aid of Help For Heroes under my target time, but my target for Tough Mudder will simply be to finish the course.

I'm running for Great Ormond Street Children's Hospital because, in my job, their incredible work is often brought to my attention - and it really can not be valued high enough.