Kiplimo, who had been among the leading contenders for victory, felt a problem with his hamstring shortly after the 30-kilometre mark. The injury occurred during the Chicago Marathon, a major international race. The Ugandan athlete immediately stopped and received medical attention. Officials confirmed the injury and noted it was not severe. Kiplimo had been in a strong position to win, but the injury forced him to withdraw from the race. The event took place in the United States, in Chicago. The injury is expected to require a period of recovery. Kiplimo is a professional long-distance runner known for his performances in major marathons. His withdrawal comes after a season that included several high-profile races. The incident highlights the physical demands of elite athletics. Medical staff assessed the injury and advised rest. Kiplimo’s team has not yet announced a timeline for his return to competition. The Chicago Marathon is one of the most prestigious races in the world. Kiplimo’s injury adds to the challenges faced by athletes in endurance sports. The incident is under review by his coaching staff.