40 Ideas for Outdoor Exercise.

1. Walking 
2. Running
3. Rollerblading/Rollerskating
4. Bike Riding
5. Hiking
6. Skateboarding
7. Swimming
8. Kayaking
9. Sports - tennis, soccer, basketball, beach volleyball, etc.
10. Canoeing 
11. Gardening 
12. Trail Running 
13. Walking the dog
14. Horseback Riding
15. Aerobics
16. Frisbee
17. Sailing 
18. Home Repairs
19. Uphill Sprinting 
20. Windsurfing 
21. Lawn Mowing
22. Sight seeing walking trails/tours
23. Tai Chi 
24. Scuba Diving 
25. Washing a car
26. Snorkeling 
27. Fishing
28. Surfing 
29. Trampoline 
30. Fly a kite 
31. Water Aerobics
32. Rowing
33. Water Polo
34. Water Skiing 
35. Rock Climbing
36. Mountain Biking 
37. Outdoor Yoga
38. Rollerskiing [1]
39. Stand-Up Paddelboard
40. Trapeze