This may not be a literal penis-measuring contest, but fertility advocates may have developed the next-best thing. Men of the world are invited to pit their sperm against each other in a racy race where the owner of the swiftest swimmers takes home a sizable $100,000. Dubbed the 2026 Sperm Racing World Cup, this “science-based competitive sport” will see 128 semen samples, each representing a different country, face off on a microscopic race track next month in San Francisco at a yet-to-be-