No information regarding the film's plot, characters, or themes was provided, therefore an evaluation of its LGBTQ+ portrayal cannot be conducted. The net impact is categorized as N/A due to the absence of input data for analysis.

As a 1951 Soviet-East German documentary focusing on a youth sports festival, the film does not feature any identifiable transsexual characters or themes. Its narrative scope is entirely dedicated to the athletic event and its participants, without addressing gender identity beyond conventional norms of the era.

The movie does not contain any action or adventure elements.

There is no available information to suggest that "Youth Sports Festival" (1951) is an adaptation of source material with established characters or that it features historical figures portrayed with a different gender. Therefore, no gender swaps are identified.

The film "Youth Sports Festival" (1951) is presented without any source material or character information that would establish a canonical or historically recognized race for its characters. Therefore, it is not possible to identify any instance of a race swap.