Is grass or turf faster?

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Tags

1. #artificial
2. #american
3. #ahead
4. #gained
5. #grass
6. #preferred
7. #field
8. #surface
9. #natural
10. #playing
11. #similar
12. #straight
13. #football
14. #acceptance
15. #surfaces
16. #faster
17. #third
18. #sprint
19. #however
20. #times
21. #generation
22. #older