Facts: - imagesize: 200px - discipline: eventing - caption: tina summer olympics in london . cook and miners frolic competing at the 2012 - name: kristina cook - image: tina cook miners frolic cross-country london olympics 2012.jpg - birth place: rustington , sussex , england Based on these bullet points, write a short biography describing the life of kristina cook .
kristina cook also known as tina cook -lrb- born 31 august 1970 , rustington -rrb- , is a british three-day eventing rider .she is the daughter of the four times british jump racing champion jockey , josh gifford .