Group 1 - The 2025 Hangzhou Marathon will take place on November 2, with a marathon expo starting on October 30, featuring upgraded medals, T-shirts, and a new mascot named "Yueyue" inspired by West Lake vinegar fish [2] - The marathon's theme is "Lake Light and Waves: Moving Through Time," incorporating the essence of the ten scenic spots of West Lake into the runners' experience [2] - The marathon route is designed as a cultural journey through Hangzhou, covering a distance of 42.195 kilometers [2] Group 2 - Enhancements in runner services include optimized race routes, early operation of subway lines on race day, and various recovery facilities such as ice baths and massage volunteers [3] - The introduction of a "smart number allocation system" and facial recognition technology aims to streamline the check-in process for participants [3] Group 3 - Safety measures for the marathon include the establishment of a medical command center and three sub-command centers at key points, with a total of 26 medical stations and 92 medical personnel deployed [4] - The number of medical staff at critical points has been increased, with a focus on enhancing emergency response capabilities [4]