Grand Canal Marathon Series is a competition held by cities in turn. Through marathon and other sports, the Grand Canal, an important water conservancy project in China's traditional culture, is publicized and promoted, and the concept of national fitness is advocated. In 2023, * * * set up six different kinds of competitions, including cross-country running, cycling and other sports activities. This year's Suzhou Jinji Lake Half Marathon has three entry options with different difficulty levels. It is planned to invite 30,000 people to participate, including half marathon15,000 people, short-distance healthy running 5,000 people and mini fun running10,000 people.