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A 13 year old is too young to run a half marathon. The minimum age in the UK is 17.
The Walt Disney World Resort, as of 2010, is 39 years old.
Walt Disney World opened in October 1971.
2:05
11-Year-Old Drew Dahlin of Green Bay, WI ran the USATF sanctioned 2013 Green Bay Cellcom Half Marathon in a time of 1:34:23.
9 -year-old Drew Dahlin of Green Bay, WI ran the USATF sanctioned 2011 Green Bay Cellcom Half Marathon in a time of 1:44:48.
10-year-old Drew Dahlin of Green Bay, WI ran the USATF sanctioned 2012 Green Bay Cellcom Half Marathon in a time of 1:38:42.
8-Year-Old Drew Dahlin of Green Bay, WI ran the USATF sanctioned 2010 Green Bay Cellcom Half Marathon in a time of 1:54:41.
Kaytlyyn Welsch of Alvin Texas as of Nov. 2012 has run the hal marathon in 1:24. Not aware of a faster 12 year old.
There are height restrictions on some of the rides but Disney World is for any age.
There isn't one. The male world record is 58:33 but he was about 20-30 I'd imagine. The current world record is held by the 21 year old Kenyan, Samuel Wanjiru. Although there are no official world records for different age groups it is possible to calculate likely records from existing performance data. If a half-marathon world record for men over 50 existed, it would be about 01:07:00.
The men's world record is 2:03:38 and the women's world record is 2:15:25 minutes. In the 2007 Boston Marathon, the person that finished in 5,029th place ran the distance in 3:28:08. Many people run a marathon as a challenge and not as a competition with the other racers. Katie Holmes did it in 5 and a half hours. Some folks, soon to include Hamish Blake, take 6 or more hours or more to complete the marathon. Look under the Related Questions link to see how old the oldest person was to finish a marathon.