Great, fitness-focused domain name that blends in the words "gym" and "fantastic".
Gymtastic has nine characters and three syllables. Examples of popular three syllable names include Vodafone, Verizon and KFC.
Gymtastic.com is a dot com domain. Dot com domains are the most sought after domain extension in the world, famously used by websites like google.com. Once secured, a dot com all but guarantees no-one else can outrank you for your own name in the long run.