Subscribe | UPI Odd Newsletter Subscribe March 8 (UPI) -- An Ohio bodybuilding contest founded by Arnold Schwarzenegger debuted an unusual new event: the Slap Fighting Championship. The Arnold Classic, an annual bodybuilding competition in Columbus, held its first Slap Fighting Championship after an announcement by Schwarzenegger and YouTube star Logan Paul. Advertisement The contest featured male and female competitors in different weight classes taking turns hitting one another in the face with open hands for slap fight supremacy. The women's category was won by Adrianna Sledz, while Dawid "Zales" Zalewski won the men's super heavyweight contest via TKO. Read More Missing cat found 5 years later thanks to microchip North Carolina guinea pig performs tricks for Guinness World Record Four siblings with combined age of 383 earn Guinness World Record