Ultrarunning Information

An ultramarathon is any sporting event involving running longer than the traditional marathon length of 42.195 kilometres .

There are two types of ultramarathon events: those that cover a specified distance, and events that take place during specified time . The most common distances are 50 and 100 miles, or 50 and 100 kilometers.

The "100 kilometers" is an official IAAF event as can be seen at http://www.iaaf.org/statistics/records/inout=o/discType=5/disc=100K/detail.html.

Wikipedia, Ultrarunning, http://en.wikipedia.org/wiki/Ultrarunning (as of Apr 9, 2010)

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Ultrarunning is in LifeKnot's Extreme Sports category. See more Extreme Sports activites.
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gu · ru [goo-roo] : one who is regarded as having great knowledge, wisdom and experience in a certain area, and who uses it to guide others. Log in or join now now to designate yourself or someone you know a Ultrarunning guru.

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