10 revenue generating business extensions for running shoe stores

1. Road race management
2. Sell team gear to high schools (non-running)
3. Consulting to startup running stores or other startups
3b Have people who are interested in opening a store pay you to work with you and learn your tricks
4. Rent out space after hours to yoga instructors
5. Running city tours and art runs
6. Running self defense lessons
7. Bike storage for bikers/triathletes living in small apartments
8. Personal running buddy for tourists
9. Dog runner (promise to tire them out better than a dog walker)
10. Write "turn-key" training programs to sell to other stores or running groups.
11. Buy closeout product and set-up a clearance pop-up shop using a "food truck" model where the truck is in a different location every day