Most ultra marathons completed in a month (male)
- Who
- William S Thornton
- What
- 10 total number
- Where
- United States (Lyndhurst, Sedalia, Greenbay, Chicago, Batavia)
- When
- 03 July 2024
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.
The most ultra marathons completed in a month (male) is 10, and was achieved by William S Thornton (USA) in Virginia, USA, from 9 March to 7 April 2024.
William wanted to attempt this record because he received a Guinness World Records book as a kid and always wanted to be in it after reading the book.
His attempt spanned three states.