Isthmus of Corinth
The race begins at 7:00 am, roughly when dawn breaks, at the foot of the Acropolis of Athens, near the Odeon of Herodes Atticus and the Agora of Athens. The runners head westwards and the first major checkpoint is at , at the Corinth Canal on the Isthmus of Corinth that connects the Peloponnese to mainland Greece. Runners then proceed to the site of ancient Corinth.