1. Running Angel: It means that runners compare themselves to angels because running makes them feel free and happy.

2. Core athletes: It means to express one's determination and perseverance, and it also means the pursuit of physical health and self-shaping.

3. Gym superstar: refers to outstanding performance in the gym, showing great strength and skills and becoming an example in the eyes of others.

4. Challenge the limit: that is, constantly challenge your own limits and seek to break through your own boundaries in order to reach a higher level.

5. Sports madman: It expresses love and enthusiasm for sports, and also expresses the pursuit of keeping healthy and shaping a good image.