Track Spike Rules エルメス 財布
There are many things to consider when purchasing a pair of track spikes. Beside the typical concerns of comfort, style and fit, you must conform to the regulations of the track organizations in whose events you compete or those of the track on which you are running louis vuitton. Spikes are designed to boost traction by preventing slipping to help increase your performance シャネル ピアス. Regulations were created to ensure competitor safety and fairness. Track spike rules vary between the high school and collegiate levels of competition.
Spike SizesIn track and field, the shoes as a whole are called spikes. The shoes are made with spikes built into the bottom, or with places to screw spikes into the bottom of the shoe. In both cases, the sizes and the shape of the spikes vary. While there are benefits to wearing spikes of a certain length or shape, you are often limited in the type and length you may wear by the track you're running on シャネル. For example, the VS Athletics website reports, on all-weather tracks and carpet-like surfaces, you should use 3/16-inch spikes or smaller, but always check track regulations before your event. Some tracks may not allow spikes at all. The most convenient part about removable spikes is that you can change them for each event and track you run on, if necessary. Studs are also available to fill the screw holes when spikes are not permitted on the track シャネル バッグ.
Collegiate Spike RulesIn its 2009 and 2010 rules publication for cross country and track and field, the National Collegiate Athletic Association prohibits any more than 11 spikes per shoe. The spikes should be toward the toe of the shoe ポールスミス 店舗, the NCAA explains, and any type of features on the sole and heel should be made of the same material as the sole.
The spike should not exceed 9 millimeters when being worn on synthetic surfaces, with the exception of field events; spikes for javelin and high jump should not exceed 12 millimeters. Spikes may be up to 25 millimeters on non-synthetic surfaces. Spikes may not exceed 4 millimeters in diameter in the half of the spike closest to its tip.
The sole and heel of spiked shoes are also regulated in NCAA long jump and high jump events. The sole itself may not exceed 13 millimeters in either event ポールスミス 財布; the heel may not exceed 19 millimeters in the high jump.
High School Spike RulesThe rules on spikes at the high school level can vary by state, region and track. Each may create regulations based on the specific type of track as well as the conditions シャネル 時計. It is important that runners get updates and information from coaches and the facilities on what is permitted ココシャネル. Regulations may change from race to race. It should not be used as a substitute for professional medical advice ポールスミス バッグ, diagnosis or treatment. LIVESTRONG is a registered trademark of the LIVESTRONG Foundation. Moreover, we do not select every advertiser or advertisement that appears on the web site-many of the advertisements are served by third party advertising companies.
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