The definition of Bobsleigh is 'a mechanically steered and braked sledge, typically for two or four people, used for racing down an ice-covered run.'
As Jonathan Wills found out when he was given amazing access to the British men's and women's teams ahead of the 2020 World Championships, that is just a fraction of the story.
In the case of Vicky Williamson from Norfolk, he met an athlete who has overcome life-threatening injuries - as one of the country's top track cyclists - to now have a realistic chance of fulfilling her Olympic dreams on ice.
It has required great determination, incredible resilience and a huge amount of skill. Vicky gives an insight into her extraordinary journey.
Watch Jonathan's report here:
In the second of his reports, Jonathan is invited behind the scenes to experience life with the Men's teams.