If you are looking to participate in a friendly carving competitions, check your your local chapter of the American Culinary Federation. The American Culinary Federation (ACF) offers opportunities to socialize and learn along side chefs in your local area. They have competitions that include fruit and vegetable carving divisions.
You can visit the American Culinary Federation website to learn more about the organization which offers all kinds of resources for chefs and student chefs. However, you don’t have to be a chef to join.
Here is where you can see a calendar of ACF competitions. You might also do a web search for your local chapter to see if they have any upcoming events or competitions that are not listed in the website of the national organization.