If you are considering mountain biking as a sport, Okeeheelee Park has a really good mountain bike trail. Considered a good starting trail for beginners, Pinehurst MTB Trail is a single-track trail (3.2-mile) is also challenging enough for intermediate riders. Actually located right across from Okeeheelee Park, the trail head is located on the east side of Pinehurst Drive, south of Forest Hill Blvd.
Check out this video taken there to give you an idea of what to look forward to! Helmets are mandatory and good idea to bring water bottle.
For more information and a map of the actual trail, see link below.