Arnold has been participating in this unconventional swimming contest for 23 years, and every year he constructs as fanciful as possible boats and floats.Arnold has been participating in this unconventional swimming contest for 23 years, and every year he constructs as fanciful as possible boats and floats.Arnold has been participating in this unconventional swimming contest for 23 years, and every year he constructs as fanciful as possible boats and floats.