![](http://www.ecns.cn/hd/2019/09/09/357471264b094933949e7b6261505d77.jpg)
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)
![](http://www.ecns.cn/hd/2019/09/09/24dac51094ed4f4a9ca254205e0fce18.jpg)
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)
![](http://www.ecns.cn/hd/2019/09/09/be704b6e8934421291d4789a07eccb5a.jpg)
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)
![](http://www.ecns.cn/hd/2019/09/09/d1b42c982f97430688bd9b482e2db29a.jpg)
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)
![](http://www.ecns.cn/hd/2019/09/09/239d8520dbb14a95b4d211a3c360f9df.jpg)
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)
![](http://www.ecns.cn/hd/2019/09/09/297d34cdd58f4d46b3e4ca20cb2e17ac.jpg)
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)