The aim of this case series approach was to analyze weekly changes in force-velocity relationship (FvR) parameters (v[Combining Overline]0, F[Combining Overline]0, P[Combining Overline]max) and theoretical snatch performance (snatchth) assessed through a specific snatch pull test in preparation of the European and World Championships in 2 male elite weightlifters. A second aim was to examine associations of training load (volume, volume load, average load), barbell FvR-parameters, and snatchth over a period of 2 macrocycles in preparation of the same competitions. FvR-parameters, snatchth, training load data, and body mass were assessed weekly over 40 weeks. Using the smallest real difference approach, significant (p = 0.05) decreases in v[Combining Overline]0 and increases in F[Combining Overline]0, P[Combining Overline]max, and snatchth were found within macrocycles. However, the large significant loss in body mass (˜11%) in athlete 1 during macrocycle 2 represents most likely a main factor for diminished P[Combining Overline]max, and snatchth in macrocycle 2. Based on cross-correlation analyses, barbell FvR-parameters and snatchth were significantly (p = 0.05) associated with maximal strength, muscle power, and speed training load variables. Moderate correlations (0.31-0.47) were found between training load and P[Combining Overline]max and snatchth in athlete 2. It can be concluded that the applied training loads elicits improvements in P[Combining Overline]max and snatchth because the athlete approached the main competitions. However, because of the large loss in body mass, the relations between training load and barbell FvR-parameters and snatchth were less clear in athlete 1. It seems that a loss in body mass as a result of a change in bodyweight category mitigates P[Combining Overline]max development during the macrocycle and hindered to reach peak snatchth at the main competitions.
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