According to Official Guinness Records,
The most forward walkovers in one minute is 48 and was achieved by Joshua Vélez Alicea (Puerto Rico) in Hatillo, Puerto Rico, on 13 January 2017. Joshua completed his attempt on an outdoor running track covered with gymnastics mats. He hopes this record will inspire other Puerto Rican athletes to push their limits and accomplish amazing things.
For a complete list of 2017 records, please visit 2017 Guinness Records in Puerto Rico.