Background: The speed world record (WR) performance is an achievement made by athletes in the competitive rock-climbing category, where the athlete must complete the climbing route on a standard artificial climbing wall with a height of 15 m in the shortest possible time. Purpose: This study aims to determine: (1) the effect of visualization and relaxation training on athlete's performance; (2) the effect of self-efficacy on athlete's performance, and (3) the interaction between exercise (visualization, relaxation) and self-efficacy on the performance of rock-climbing athletes in the speed world record category. Design/methodology/approach: This research is experimental research with a true experimental design modified with a factorial design (2x2). The population in this study was all junior and youth WR speed rock climbing athletes, aged between 15-20 years in Yogyakarta and Central Java. A sample of 20 men athletes was taken with the Slovin Formula and ordinal pairing technique. The data were collected using the General Self-efficacy Scale (GSE) to measure self-efficacy and motion climb to measure the performance of rock-climbing athletes with WR speed. A Two-Way ANOVA test was used with the following analysis prerequisites: normality test and homogeneity test. The results of this study showed that: (1) Visualization is better than relaxation; (2) Athletes who have high self-efficacy have better performance than athletes who have low self-efficacy; and (3) There is a significant interaction (p<0.05) between exercise (visualization and relaxation) and self-efficacy (high and low) on the performance of rock climbing athletes in the WR speed category. Conclusion: The highest performance is obtained with visualization exercises with high self-efficacy; followed by relaxation with high self-efficacy; and visualization exercises with low self-efficacy.
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