Up Town, New Orleans
One of my favorite things to do is run and though there are no official trails, New Orleans provides several scenic locations and roads on which to run. Quite possibly the best is running through uptown New Orleans along St Charles as it takes you along the canopied street amidst historic homes. To get there, you can easily start on St Charles and Canal (downtown) and run about 3/4 of a mile through midtown until you arrive uptown. Though it's approximately 4 miles one way once you're uptown - and the scenery is beautiful all the way up - you can turn around whenever you'd like.
Take note of the architectural style in a lot of these homes -- a style known as Greek Revival. A widely popular style used throughout America from about 1820 to the 1860s, which based its design on ancient Greek architectural forms (and the distinctive Doric, Ionian and Corinthian orders). The use of porches and porticos supported by stately columns was reminiscent of Greek temples. Often seen in banks, courthouses and other public buildings as well as houses, the style became known as the National Style during its period of greatest popularity.
Equipment: A good pair of running shoes.