The Gaga-Thon is a marathon on Fuse for a week of just her music, interviews, and music videos to help promote, and in honor of her new album, "Born This Way".

A full marathon is the 26.2 miles that you run for example the London marathon is a full marathon

Marnie Caron has written:

'Marathon and half marathon' -- subject(s): Training, Marathon running

'Marathon and half marathon' -- subject(s): Marathon running, Training

There are 26.2 miles in a full marathon, thus there are 13.1 miles in a half marathon. No odd calculations... a half marathon is a half marathon.

Yes, the International Marathon of Bucharest.

See the link:

http://ro.wikipedia.org/wiki/Maratonul_interna%C5%A3ional_Bucure%C5%9Fti