1. Tourists walk 3.79 feet per second; 2. Smokers: 4.17 feet per second; 3. Cellphone users: 4.20 feet per second; 4. Headphone listeners: 4.64 feet per second; 5. Large pedestrians: 3.74 feet per second; 6. Men: 4.42 feet per second; 7. Women: 4.10 feet per second; 8. People with bags: 4.27 feet per second
Graphic by Sarah Nassauer