Hundreds of dogs compete in a national tournament at Santa Anita racetrack in Arcadia city. From participants who enter the stalls for the 17th and final heat to find the fastest corgi in the US to Roi, the winning Corgi, held aloft by his owner Rick Garcia, all these photos will impress you, especially if you are a dog lover!

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Participants enter the stalls for the 17th and final heat to find the fastest corgi in the US
Photograph: Mark Ralston/AFP/Getty Images

Some of the dogs need their owner’s calming touch in the minutes before the starting gun fire
Photograph: Mark Ralston/AFP/Getty Images

And they’re off, with Corgi No 9 in the lead
Photograph: Mark Ralston/AFP/Getty Images

There’s a hunger in the eyes of No 7 in the first stretch of the race
Photograph: Mark Ralston/AFP/Getty Images

Scuffles are inevitable for these highly spirited dogs
Photograph: Mark Ralston/AFP/Getty Images

An impressive crowd turned out to watch the final race
Photograph: Mark Ralston/AFP/Getty Images

Two competitors collide as they cross the finish line
Photograph: Mark Ralston/AFP/Getty Images

Roi, the winning Corgi, held aloft by his owner Rick Garcia
Photograph: Mark Ralston/AFP/Getty Images