The much-hyped 4x400m clash between Botswana and the United States at the upcoming World Athletics Relays has hit an unexpected snag. The Americans have officially pulled out of both the men’s and women’s 4x400m events, delivering a major blow to what promised to be one of track and field’s most electrifying rivalries. Slated for May 2–3 at Botswana’s National Stadium, the global relay extravaganza was set to showcase a thrilling duel between two sprinting powerhouses....





















