Dogs and owners are seen during a bulldog race at Hastings Racecourse in Vancouver, Canada, May 26, 2019. About 60 bulldogs competed on the race track for cash prizes and honor on Sunday, kicking off the Dog Days of Summer series at Hastings Racecourse. (Photos: Xinhua)

Two bulldogs interact to each other during a bulldog race at Hastings Racecourse in Vancouver, Canada, May 26, 2019. About 60 bulldogs competed on the race track for cash prizes and honor on Sunday, kicking off the Dog Days of Summer series at Hastings Racecourse.

A dog owner brings along her bulldog during a bulldog race at Hastings Racecourse in Vancouver, Canada, May 26, 2019. About 60 bulldogs competed on the race track for cash prizes and honor on Sunday, kicking off the Dog Days of Summer series at Hastings Racecourse.

A bulldog runs on the race track during a bulldog race at Hastings Racecourse in Vancouver, Canada, May 26, 2019. About 60 bulldogs competed on the race track for cash prizes and honor on Sunday, kicking off the Dog Days of Summer series at Hastings Racecourse.

A bulldog runs on the race track during a bulldog race at Hastings Racecourse in Vancouver, Canada, May 26, 2019. About 60 bulldogs competed on the race track for cash prizes and honor on Sunday, kicking off the Dog Days of Summer series at Hastings Racecourse.

Dogs and owners get ready at the start line during a bulldog race at Hastings Racecourse in Vancouver, Canada, May 26, 2019. About 60 bulldogs competed on the race track for cash prizes and honor on Sunday, kicking off the Dog Days of Summer series at Hastings Racecourse.

A dog owner gets set at the start line with his dog during a bulldog race at Hastings Racecourse in Vancouver, Canada, May 26, 2019. About 60 bulldogs competed on the race track for cash prizes and honor on Sunday, kicking off the Dog Days of Summer series at Hastings Racecourse.