Purpose: The temporal structure of badminton has been described in the available research as intermittent intensity sport with high variability of rally time and rest time during the match (Laffaye and Phomsoupha. 2015). However, the influence of some factors and specific events (i.e.. point and match constraints such as match duration or situational variables) are unclear when performing the rallies in elite badminton. Therefore, the aim of the present study was to identify the effect of contextual-related variables on rally time and rest time in elite men`s and women`s badminton. Methods: The data was composed by 54 men`s (n=4475 rallies) and 60 women`s (n=4989 rallies) matches randomly selected from international competitions (World Championship and BWF Super Series circuit) during the year 2015. The dependent variables gathered were rally time and rest time. The independent contextual-related variables were: match duration, set number, interval of each set (Points 0-11 and points 12-21). quality of opposition (ranking differences between opposing players: ranking player A - ranking player B). and the score-line (points differences in the score). The statistical analysis used was the multiple linear regression trying to identify the importance of each independent variable (contextual-related variable) on the dependent variable (rally time and rest time). Two independent models were done by sex (men and women) for rally time and rest time. The positive or negative coefficients obtained indicate higher or lower propensity to increase/decrease the time duration (s) of the rally or the rest time, respectively. Results: The model for rally time showed the significant effect of match duration (0.07) for men`s players and the effect of match duration (0.04). quality of opposition (-0.03), score-line (0.08) and interval of points (-0.46). On the other hand, the models for rest time showed the significant effect of match duration (0.17). score-line (0.12). interval of points (-2.50). and the set 1 (1.88) for men`s players: and match duration (0.18). score-line (0.11), interval of points (-2.31). and the sets 2 (-1.47) and 3 (-2.44) for women`s players. Conclusions: The results of the analyses showed the different influence of some con textual-related variables on rally time and rest time in men`s and women`s elite badminton. Thus, the current findings allow the coaches to prepare specific training tasks based on the performance demands and situational variables effects in elite men`s and women`s badminton.
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