But if you're not attending the show, where can you watch the best furry friends in the world as they compete?
The show will be broadcast by Channel 4 and More4 across four days, with Clare Balding presenting the action.
Iwan Thomas and Noel Fitzpatrick will also join in with hosting duties.
On Sunday, the competition's final day, the Best in Show prize will be handed out.
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If you want to watch on TV, here are the broadcast times:
Thursday, March 10: 6.30pm until 9pm.
Friday, March 11: 6.30pm until 7.30pm.
On Channel 4
Friday, March 11: 7.30pm until 9pm.
Saturday, March 12: 7pm until 9pm.
Sunday, March 13: 7pm until 9pm.
The entirety of the show's arena action will be shown live on the Crufts YouTube channel. If you want to watch, click here.Caroline Kisko, Secretary of the Kennel Club, which runs Crufts, said: "This year is the 125th anniversary of Crufts. The show holds such a special place in dog lovers' hearts because it celebrates everything that we love most about dogs, and Channel 4 and More4 will reflect on how the show has grown over the years and the many different aspects of the event.
"The TV coverage not only brings exciting sports such as agility and flyball into people's homes, but it enables people to see the diverse range of wonderful dog breeds, including the most vulnerable native breeds and unusual breeds that are not often seen in the streets and parks across the country, through the dog show aspect of Crufts.
"It also covers topics about choosing, caring for and enjoying life with dogs, as well as different issues affecting dog owners in the UK."