track and field
At London
Tennis and triathlon are summer Olympic events. Track cycling is an Olympic event.
200 metres.
The ancient Olympic Games began in the year 776 BC. The marathon was not an event of the ancient Olympic Games. This is a modern event that started in 1896.
Hurdles -------------------- Men's 100m
Approx. 1922.
It is one event in the sport Track and Field.
yes
track and field
The number of heats run for each event in the US Olympic track and field trials varies depending on the event and the number of athletes entered. Typically, for sprint events, there may be multiple heats to accommodate all participants, while distance events often have fewer heats. In general, the goal is to ensure that the fastest qualifiers advance to the final round, which determines who makes the Olympic team. The specific format and number of heats can change from one Olympic Trials to another.
16 years old for the entire Olympics event I think.