The coexistence of people’s enjoyable activities and mobility is important to enhance the attractiveness of the city. The objective of this study is to clarify the influence of people’s activities on the speed of bicycles, by analyzing the speed and trajectory of bicycles and types of activities and positions of people on the road. The results show that the speed of the bicycle is lower when there are activities involving multiple people such as socializing than when there are activities involving only one person.
