Do you really need running spikes? Maybe not. But if you do need them you really need them. Running spikes or the addition that manufactures make the standard running shoes for competitive sports. Spikes are added to the out soles of the shoes to increase traction, and enable the appellee to accelerate, the accelerate and change direction quickly.

The design of the running spike scored to be a function of both the sport for which the shoes are intended, and the surface upon which it is played. Typically spikes will last a long time -- much longer than the shoes in which they are installed.

So how do you figure out which Spike running shoes are best for you? Well again depends on where you're playing and what you're playing. If your sport requires you to run on tracks the surface of dirt were crushed own you're going to want needle spikes no longer than 1/4 inch. If you're going to be competing on indoor tracks or an all weather surface you need shorter spikes. 3/16 of an inch or less is the recommended length.

Obviously, if you're going to be running on pavement or cement you should be using spikes at all. Not only will they had no benefit in terms of traction, they may actually decrease it. And of course the pavement will wear them down very quickly. For these situations simply use standard running shoes.

One of the best things about running shoe spikes is that they are replaceable. You can wear the suckers down, pull them off and put new ones on. Another great thing about them is that you can get multiple sets of spikes and put different sets on your shoes depending upon the sport and the running surface.

• Tartan spikes are rounded at the end, similar to a mail that has been tapped with a hammer. They're made for use on rubber tracks only as they will not damage the running surface.

• Studs are very dull short spikes normally used only on indoor tracks

• Compression spikes are shaped like an aniline gaited paramedic or tree. Theoretically, this design eliminates any concerns of the spikes sticking in the running surface.

• Needle spikes are good for most surfaces, providing they are not so long that they get stuck. Normally they are limited to 3/16 of an inch or less.

Whether you are a true competitive runner, or a weekend warrior you may want to check online or at your local running shoe store and take a closer look at running spikes. There several popular event brands available including a six running spikes that may suit your needs.