Tufts University
Tufts University: The Ancient Olympics
Students can compare the modern and ancient Olympic games, as well as tour the site of the first Olympics, and learn about those games.
Other
Rome Guide's Look at Circus Maximus
This site gives a brief history of the Circus Maximus and draws comparisons to similar venues of then and today. Also has pictures.
Tufts University
Perseus Digital Library: Ancient Olympic Running
This site from the Perseus Digital Library of the Tufts University provides information on the four types of running races are described. The stadion race was the oldest of these events. The different lengths of the race are provided.