It 's his experience following the Battle of Marathon where the Greeks defeated the Persians in 490 BC upon which the marathon race is based .
At that point , I recalled the story of Pheidippides .
It 's Pheidippides ' experience following the Battle of Marathon where the Greeks defeated the Persians in 490 BC upon which the marathon race is based .
At that point , I recalled the story of Pheidippides .