The World Athletics Ultimate Championship began in Budapest with a mix of excitement and nerves. The event faced delays and weather challenges but still attracted a full stadium. Usain Bolt's late arrival added to the pre-event tension. The stadium's visual spectacle impressed, though some athletes were unsure about the new presentation.

Bright lights and fireworks lit up the arena, creating a vibrant atmosphere. The mixed 4x100m final kicked off with high energy, though the commentator struggled to be heard. Despite the presentation's mixed reviews, the performances stole the show. Athletes like Jakob Ingebrigtsen and Yaroslava Mahuchikh delivered standout victories. Read more racing coverage.

The event's debut was largely successful, drawing big-name athletes with its $150,000 prize. The crowd left satisfied, looking forward to the next days with anticipation. The Ultimate Championship showed potential despite its imperfections. Related: Ultimate Championship to Offer $10m Prize Money in Budapest.

This original Runner World brief is based on reporting from Athletics Weekly. Visit the source for its complete reporting, context and any later corrections.