A 25-year-old man, identified as Kory Russell, dies after collapsing during the Royal Parks Half Marathon in London, an inquest hears. Reports say Russell experienced symptoms consistent with heat-related illness and died after running the event. According to the accounts provided, he finished the race near the Royal Albert Hall before collapsing. The inquest includes evidence that his death was linked to heat exhaustion. One report states that the temperature of his body rose to around 40°C. The case focuses on the circumstances surrounding the collapse during or shortly after the race and the medical factors contributing to his death. The details in the sources emphasize that the death is attributed to heat exhaustion rather than other causes, and they describe the context of the event in central London. The inquest’s findings are presented as determining the mechanism of death and linking it to the heat and exertion experienced during the half marathon.