The aim of the study was to determine the optimal interval between competitions for success in World Para Powerlifting events. A total of 1034 female (age = 34.4 ± 9.1 yrs) and 1,697 male (age = 33.7 ± 8.3 yrs) competition results from international Paralympic powerlifting events conducted between 2014 and 2020 were analyzed. Odds ratios for preparations intervals between competitive events were evaluated considering the dependent variable, earning a medal, and the independent variable, level of competition. There was an increased probability of winning a medal when the preparation interval was in the range of 22-30 wks ( P = 0.004), as compared with less than 11 wks, while competing at World Cup events, whereas for World Championships and Paralympic Games, there was an increased probability of winning a medal when the interval range was 23-31 wks ( P = 0.002) and 40 wks or more ( P = 0.011) compared with less than 23 wks. However, there were no significant differences between preparation intervals for Regional Games/Championships. The Para Powerlifting athletes participating in the World Cup events, World Championships, and Paralympic Games share an optimal interval for success of approximately 21-31 wks and results from the World Championships and Paralympic Games, which can also be optimized with an interval of 40 wks or more.
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