Tug of war has never been an event at the Summer Olympics
luge is a winter Olympics event, the Beijing Olympics were the summer Olympics
The answer is running
Lacrosse is the only Summer Olympics event that starts with the letter L. It was part of the 1904 and 1908 Summer Olympics. Currently there are no Summer Olympic events that start with the letter L.
Lacrosse was played as a medal event in the 1904 and 1908 Summer Olympics. It was played as a non medal demonstration event at the 1928, 1932, and 1948 Summer Olympics.
= 5000 meter Event for Women at Olympics =
Running is commonly refered to as "Track" in the Olympics.