Core Insights - The 2025 Lanzhou Marathon has attracted over 310,000 registrations, setting a historical record, with 40,000 participants on the race day [5] - The marathon integrates local tourism, allowing participants to experience Lanzhou's culture and cuisine, enhancing the event's appeal [2][5] - The event serves as a "mobile billboard" for local tourism, promoting Lanzhou's cultural heritage and boosting the city's tourism industry [5][8] Group 1: Event Overview - The Lanzhou Marathon, established in 2011, is recognized as a gold label event by World Athletics, contributing to the transformation of marathon enthusiasts' engagement with Lanzhou's culture [8] - The race route features iconic landmarks such as the Yellow River Tower and Zhongshan Bridge, creating a unique experience for runners [5][9] Group 2: Economic Impact - During the recent "May Day" holiday, Lanzhou received 6.6954 million tourists, a year-on-year increase of 12.52%, generating tourism revenue of 4.363 billion yuan, up 14.77% [8] - The integration of sports events with local tourism is seen as a catalyst for economic and social development, enhancing the depth and breadth of Lanzhou's sports and tourism fusion [9]