Fig 1.
Research design process for the development characteristics of Chinese urban marathons.
Table 1.
Inaugural edition dates of marathon events in 38 cities.
Table 2.
Fields of Baidu search index data for city marathon events.
Table 3.
Descriptive statistics of the data objects.
Fig 2.
Comparison of Euclidean distance (a) and DTW distance (b) for two seasons of Shanghai marathon.
Fig 3.
Flowchart of selecting representative season for a certain city’s marathon event.
Fig 4.
Clustering results of 38 marathon races in cities.
Fig 5.
Geographical representation of the clustering results for the heat levels of 38 marathon events in Chinese cities.
Fig 6.
Heat trends of Fuzhou marathon.
Fig 7.
Heat trends of Dalian marathon.
Fig 8.
Heat trends of Xi’an marathon.
Fig 9.
Heat trends of Beijing marathon.
Fig 10.
Heat trends of Shanghai marathon.
Fig 11.
Heat trends of Xiamen marathon.
Table 4.
Overview of tourist resources in 38 cities hosting marathon.