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Purpose: To evaluate the influence of different durations of lower limb static stretching (SS) on the performance of long jump (LJ) athletes. Methods: A crossover randomized controlled trial was conducted with 20 athletes, submitted to 4 conditions: 3 experimental conditions, performing the usual warm-up plus SS of quadriceps, hamstrings, gastrocnemius and tibialis anterior during 30 s, 1 min or 3 min; and a control condition, of only the usual warm-up. LJ performance was assessed before and immediately after the interventions/control. Results: There was a significant change after the 3 min SS, with an improvement in the distance achieved (p = 0.012). However, there were no differences between the 4 conditions (p = 0.154). Conclusion: Results suggest that SS performed for 30 s, 1 min or 3 min, seem not to influence the LJ performance, since despite an improvement in the distance reached after the 3 min SS, there were no significant differences between conditions. [ABSTRACT FROM AUTHOR]