If I needed a pair of trail running shoes I would visit runnersworld.com. They have a program that helps you pick out the perfect shoe for you based on your biological mechanics. It tells me that my perfect shoe is the Mizuno Wave Ascend 6 based on my frame, flat-footedness and previous ankle injuries.
A regular pair of running shoes should be sufficient for trail running. But, if you are an avid trail runner, then you can find a pair of specific shoes called the Brooks Adrenaline ASR5.
You can purchase trail running shoes with many online and in store retailers. It is best to buy in stores, especially for a first pair, so you can try the shoes on.
This site will help you to find all the information you need: www.rei.com/expertadvice/articles/trail+runners.html.
REI, Saucony and your local running store all have great trail running shoes. You're going to want to wear them in before the race, so try to order them or buy them quickly.
I myself cannot do reviews of running shoes as I do not own a pair of running shoes. But there are many reviews of running shoes on runningguru.com. Go there and you'll find many reviews.
For Canada and the United States, you can find mens trail running shoes at: www.thenorthface.com, www.adidas.ca (or .com), www.backcountry.com, mec.ca, www.roadrunnersports.com, and cleansnipe.com. Each store will have its own active promotions and discounts available at any given time of the year, so its best to act fast when you find the pair you want.
You can find Newton Running Shoes at their website newtonrunning.com. Or you can also visit your local sports store/shoe store for a great pair of Newton Running Shoes SALE.
A good pair of running shoes can be found out Academy. they have a good sized selection of brands such as Nike and new balance. The shoes are made from pretty good man made materials.
As a professional running shoe, the Nike Triax series is priced at the mid-to-high end, slightly higher than some basic running shoes. Find running shoes at WeeReplica.
There is motion control running shoes at amazon.com. for women. You will find motion control running shoes for men at brooksrunning.com. At runningwarehouse.com you will find a variety of motion control running shoes for both men and women.
You can typically find narrow trail running shoes at www.thenorthface.com/catalog/sc-gear/equipment-activity-running or Zappos.com. If you want them locally I would suggest visiting your local shoe department.
The U.K.-based site Ransacker provides a stellar database of running-shoe reviews. Each shoe is given a percentage rating and placed in one of five categories: stability shoes, neutral shoes, racing shoes, trail shoes or gym shoes.