Trail running

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The Backbone Trail, Santa Monica Mountains, Southern California.
The Scott Paul trail in Washington's North Cascades

Trail running is a variant on running that differs markedly from road running and track running. Trail running generally takes place on hiking trails, most commonly single track trails, although fire roads are not uncommon. A distinguishing characteristic of the trails is that they are often inaccessible by road except at the trail heads. The trails tend to traverse varying terrain; hills, mountains, deserts, forests, and narrow passages are common. Likewise, steep inclines or rough terrain sometimes may require hiking or scrambling. Runners participating in trail runs must often descend these same steep grades. It is not atypical for trail runs to ascend and descend thousands of feet.

There are as many variations of trail running as there are runners. Many individuals prefer running trails for daily training and exercise, while other trail runners spend weeks out in the backcountry. There is a growing number of people participating in solo backcountry trail running trips, which are a sort of ultralight backpacking. While an ordinary backpacking expedition may last for eight days, averaging eight to ten miles per day, with participants carrying fifty to sixty pound backpacks, backcountry trail runner will do the same trip in three to four days, covering much greater distances each day, and carrying only minimal equipment. This type of backpacking is rare, as it is very difficult and dangerous, but it is growing in popularity.

Trail running is growing in popularity and is enjoyed throughout the world. As of 2006, there are over 6.7 million regular trail runners in the United States, and over 40 million worldwide.[1] It has a particularly heavy following in the Mountain States, the Western US, and California.

In the United Kingdom, the British Athletic Federation authorised this definition in 1995:

In the context of athletics, trail races are primarily along footpaths and bridlepaths marked on Ordnance Survey maps as "public rights of way". They are "highways" to which pedestrians have unrestricted access in English law. Towpaths, forest drives, farm cart tracks and paths in parks etc, from which motorised traffic is excluded, are also trails when the owners' permission is obtained.[1]

Some trail races take place in less isolated areas, and routes can include public parks or canal towpaths.

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[edit] Equipment

Many trail runners use specially designed shoes that have stiff, nobby soles, that are generally more rigid than road running shoes. Trail running shoes are low to the ground to provide the best stability on uneven terrain. The rubber or plastic compound midsole is to protect your feet from puncture wounds from unseen sharp objects, the shoes are less 'cushioned' than their counterparts designed for tarmac. Since trail running take place on softer surfaces (grass, trails, etc.) than road races, cushioning is not as important. Other equipment includes wicking garments, water bottles, sunscreen, sunglasses, gaiters, anti-insect spray, and ivy block. Some trail runners attach metal ground-adhering devices to the bottom of their shoes to run in the snow and on ice. An alternative way to carry water is use a hydration pack (CamelBak), which consists of a bladder, a suck tube, and a small low profile backpack. Carrying the Ten Essentials may reduce the hazards inherent in wilderness travel. Some trail runners use ultra light hiking poles (which are often not allowed during competition) to increase speed and stability.


[edit] Training and events

Trail running takes place in both organized trail races, and as a recreational activity. Trail running is usually an individual sport, although training is commonly done in groups.

Common distances in races are 5 km, 10 km, 20 km, 30 km, Marathon (42km), 50 km, and 50 miles. Anything over Marathon distance is considered an Ultramarathon, and many "ultras" range beyond 100 mile mark. The quintessential North American 100 mile trail run is the Western States Endurance Run, also known as the Western States 100. In Europe, the UTMB, won by the young Kílian Jornet Burgada (see image) is gathering more than 4000 participants who compete on the legendary 160K trail touring around the Mont Blanc mountain.


There are also many Trail Running Series that combine multiple races over the course of the season. There is also a New England Trail Racing circuit, called the "Grand Tree". In Great Britain, the new "Lakeland Trails" is the biggest trail running series with over 3000 competitors in 2006.

In South Africa, there is 3 day, 112km wilderness stage race along the beautiful 'Wild Coast' region called the "Wildcoast Wildrun". By far the biggest and most popular trail running race series in South Africa is the "Trail Series" with 19 races per year and over 1500 unique participants. The Rhodes Trail Run and Skyrun are two events staged in the southern Drakensberg mountains (Witteberg). The 'Big Daddy' of South African trail running since 2000, the Kalahari Augrabies Extreme Marathon, is a 7-day, 250km self-sufficiency run through the Kalahari Desert. The South African trail calendar can be found on "Wildrunner".

A new class of fully-supported trail running stage races has also emerged in recent years, such as the GORE-TEX™ Transalpine Run in Europe (8-days, 250 km) and the GORE-TEX™ TransRockies Run in Colorado, USA (6-days, 106 miles).These stage races offer complete support and runner amenities between stages.

Trail races differ considerably from other races, since runners enjoy the solitude of nature for the bulk of these runs. In addition due to the smaller number of participants, the odds of running with no other participants in sight are very good. Similarly, runners in these events must rely on their own inner resolve, since crowd support is very limited given the inaccessibility of the courses. Trail races are commonly equipped with aid stations supplying food and beverages every 5 to 10 kilometers. Nevertheless, runners in trail races, particularly longer ones, usually carry their own water and food along the course.

During training runs, carrying one's own beverages is a necessity. Additionally, navigational skills are much more important during training runs, where one invents the course oneself, compared to organized races where the courses are very well marked (this is a matter of interpretation). Carrying maps when training in unfamiliar areas is highly recommended, as runners cover large distances and veering off course is not uncommon, especially in areas where signage is limited.

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