An inquest hears that 25-year-old finance worker Kory Russell dies after collapsing during the Royal Parks Half Marathon in London in October. According to reports from multiple outlets, evidence presented at the inquest indicates that Russell’s body temperature rose to around 40°C while he was running. The inquest is reported to conclude that he dies from cardiac arrest caused by heat exhaustion, following the physical effects of overheating during the race. Coverage also states that Russell completes the race, finishing near the area in front of the Royal Albert Hall, before collapsing. The reports describe the incident as occurring during the marathon in London’s Royal Parks, with heat-related stress identified as a key factor in the medical outcome. The inquest focuses on the circumstances leading up to Russell’s collapse and the link between his elevated temperature, heat exhaustion, and the subsequent cardiac arrest. No additional details about any wider cause or fault are included in the provided summaries.