The film 'Relay, 2025' does not appear to feature any LGBTQ+ characters or themes based on the provided search information. The narrative focuses on a corporate thriller plot involving whistleblowers and a biotech scientist, with no mention of LGBTQ+ representation in its detailed plot summaries or character analyses.

Based on available information, the film 'Relay, 2025' does not include any transsexual characters or themes. The narrative focuses on corporate espionage and identity concealment, with no elements related to gender transformation or transsexual representation.

The provided information indicates a female character, Sarah, is present in a final confrontation scene. However, details regarding her specific combat actions, techniques, or direct physical engagement with male opponents are not available. There is no information to confirm if she defeats male opponents in close-quarters physical combat.

Relay is an original film with no identified pre-existing source material or historical figures. The provided information explicitly states no characters have on-screen gender differing from established source material or historical records, indicating no gender swaps.

The film "Relay" is based on an original screenplay, and its characters (Ash, Sarah, Steve Dawson) have no prior established race in any source material. Therefore, no race swap can occur.