Because not only Forest Gump has guts to run but also many people do it very often. If you would like to know how many people run and where the next races will take place, check out this site.
At runningintheusa.com you will find all the race-related info you require for keeping up to date. The site was founded by a couple from Wisconsin that wanted to provide accurate data regarding races to visitors. There you will be able to see race results or running clubs, among others. On the main page of the web site there are diverse links, such as: races, results, clubs, and message boards. At the left side of the webpage there are many sections, like: 9492 races, 54163 results, RUSA features, etc. In order to look for a race result, you will only need to check out the results link and select the state you live. There is a huge map with all the entire states for you to see the results from across the country. 
