This research aimed to improve malondialdehyde, special physical abilities, and the digital level of the 100-meter double fin race by developing a proposed training program using 4D Pro training. And knowing its effect on: 1- Malone dialdehyde. For 100m swimmers, double fins are under investigation. 2- Variables The special physical variables of 100-meter double fin swimmers are under investigation. 3- The digital level for 100-meter double fin swimmers is under research The research population included (15) swimmers from the Sharkia Sports Club for the 13-year-old age group and registered with the Egyptian Diving and Rescue Federation for the 2022/2023 training season. The researchers withdrew a number of (6) swimmers to conduct the exploratory study, so that the basic research sample became (10) swimmers.