Surfer dogs ride the waves in 'Surf-A-Thon'(1/6)

More than 70 dogs compete in five different weight classes for Top Surf Dog 2019 at the 14th annual Helen Woodward Animal Centre "Surf-A-Thon" in Del Mar, California, United States, on Sept 8, 2019. (Photo/Sipaphoto)

More than 70 dogs compete in five different weight classes for Top Surf Dog 2019 at the 14th annual Helen Woodward Animal Centre "Surf-A-Thon" in Del Mar, California, United States, on Sept 8, 2019. (Photo/Sipaphoto)

More than 70 dogs compete in five different weight classes for Top Surf Dog 2019 at the 14th annual Helen Woodward Animal Centre "Surf-A-Thon" in Del Mar, California, United States, on Sept 8, 2019. (Photo/Sipaphoto)

More than 70 dogs compete in five different weight classes for Top Surf Dog 2019 at the 14th annual Helen Woodward Animal Centre "Surf-A-Thon" in Del Mar, California, United States, on Sept 8, 2019. (Photo/Sipaphoto)

More than 70 dogs compete in five different weight classes for Top Surf Dog 2019 at the 14th annual Helen Woodward Animal Centre "Surf-A-Thon" in Del Mar, California, United States, on Sept 8, 2019. (Photo/Sipaphoto)

More than 70 dogs compete in five different weight classes for Top Surf Dog 2019 at the 14th annual Helen Woodward Animal Centre "Surf-A-Thon" in Del Mar, California, United States, on Sept 8, 2019. (Photo/Sipaphoto)