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The Battle of Marathon, 490 BC: the day Athens saved itself

Antiquity · 490 BC · Athens vs the Persian Empire · ~6 min read · Updated September 2026

Athenian hoplites charging the Persian line at Marathon, 490 BC

At a glance

Athens and PlataeaMiltiades
vs
Persian EmpireDatis and Artaphernes
Date
September 490 BC
Location
Marathon, Greece
Period
Ancient
Outcome
Athenian victory
By the numbers
SideStrengthCasualtiesKilled
Athens and Plataea~11,000unknown192
Persian Empire~25,000unknown~6,400

Rounded historical estimates; the dead as counted by Herodotus.

Balance of forces

Athens and Plataea~11,000
Persian Empire~25,000

Approximate strength; estimates vary.

Quick answer

Athens won the Battle of Marathon in September 490 BC1, when a few thousand Athenian and Plataean citizen-soldiers defeated a much larger Persian invasion force on the plain by the sea. The victory saved the city and became a defining moment in the history of the West.

In the late summer of 490 BC, a few thousand citizen-soldiers of Athens stood on a plain by the sea and faced the largest empire the world had known. What happened on the beach at Marathon saved their city, and shaped the course of the West.

The battle from both sides

Two perspectives

The Athenians and their Plataean allies faced a Persian expedition sent to punish Athens, and they could not wait for Sparta, whose help was delayed. On the plain of Marathon the outnumbered hoplites charged across the open ground, thinning their centre and massing the wings. The strong wings routed the Persian flanks and then turned inward to crush the enemy centre, driving the invaders back to their ships. It was the first time Greeks had beaten the Persians in open battle, and the victory gave Athens enormous confidence, a self-belief that shaped its coming golden age and its leading part in the wars still to come.

For Darius's expedition Marathon was a punitive strike, above all against Athens for aiding the Ionian revolt. The Persians landed on the plain expecting their numbers and cavalry to prevail, and perhaps hoping treachery would open the city. Instead the Athenian hoplites came on at speed, blunting the Persian archers and turning the flanks. Driven back to the beach with heavy loss, the survivors re-embarked and sailed for Athens itself, only to find the army had marched back to defend it. The repulse settled nothing at the imperial level, and a decade later Xerxes returned with a far greater force to finish what his father had begun.

Persia comes

The Persian king Darius I had sent a fleet across the Aegean to punish Athens for supporting a revolt against him. The army landed at the bay of Marathon, north of the city, and there the Athenians, joined only by a small force from little Plataea, marched out to meet them. They were badly outnumbered, and Sparta, asked for help, replied that a religious festival kept it from marching until the moon was full.2

Engraved map of the bay and plain of Marathon with the Greek and Persian lines of battle marked
The plain and bay of Marathon on a map from an 1897 edition of Herodotus, with the Greek camp in the Herakleion, the Persian position by the Great Marsh, the Persian fleet in the bay and the Soros, the burial mound of the Athenian dead. Public domain

The wait

For days the two armies watched each other across the plain. The Athenian generals were divided, until Miltiades, who knew the Persians, argued for attacking before the enemy cavalry could be brought into play.3 The deciding vote lay with the polemarch Callimachus, and Miltiades won him over.

They had to beat the greatest empire on earth before Sparta could arrive, or not at all.

The charge

Miltiades drew up his hoplites in an unusual line: thin in the centre, packed heavy on both wings.2 Then the Athenians did something the Persians had never seen, they advanced across the plain at a run, closing the distance under arrow fire to bring their long spears3 and heavy armour to bear before the archers could break them.

The double envelopment

In the centre the thin Greek line gave ground, as Miltiades meant it to. But on the wings the Athenians crushed the lighter Persian troops, then wheeled inward and fell on the enemy centre from both sides.2 The Persian army broke and ran for its ships, cut down as it fled across the marshes to the shore.

Long frieze-like drawing of Greek hoplites fighting and pursuing Persians toward ships
The lost painting of Marathon in the Painted Stoa of Athens, reconstructed by the archaeologist Carl Robert in 1895 from ancient descriptions: the fight on the plain flows toward the Persians fleeing to their ships. Public domain

The numbers

By the count of the historian Herodotus, the Persians lost some2 6,400 men; the Athenians, 192. It was the first time a Greek army had beaten the Persians4 in open battle, and it shattered the belief that they could not be beaten at all.

The run

Legend says a messenger ran the whole way to Athens1 with news of the victory, gasped it out, and died, the story behind the modern marathon. The truth is grander: the exhausted victors marched straight back to guard the city5 against the Persian fleet. Persia would return ten years later, to Thermopylae and Salamis, but Marathon had already proven it could be stopped.

Marble statue of a dying young runner raising a palm branch
The Soldier of Marathon Announcing the Victory, a marble statue by Jean-Pierre Cortot completed in 1834 (Louvre, Paris). Public domain

Frequently asked questions

Why was the Battle of Marathon in 490 BC considered decisive?

At Marathon in 490 BC the Athenians won the first time a Greek army had beaten the Persians in open battle, which shattered the belief that Persia could not be beaten and saved Athens from the first Persian invasion.

What made Miltiades' tactics work at Marathon?

At Marathon in 490 BC Miltiades deliberately thinned his center and massed his wings, so the wings crushed the lighter Persian troops and then wheeled inward to envelop the enemy center from both sides.

Why did the Athenians charge at a run at Marathon?

At Marathon in 490 BC the Athenians advanced at a run to cross the plain quickly under arrow fire, bringing their long spears and heavy armor to bear before the Persian archers could break their ranks.

Is the famous story of the marathon run true?

The legend that a messenger ran to Athens and died with news of the victory at Marathon in 490 BC is likely embellished; the article notes the grander truth that the exhausted victors themselves marched straight back to guard the city against the Persian fleet.

Who fought at Marathon in 490 BC and what were the reported losses?

At Marathon in 490 BC the Athenians, joined only by a small force from Plataea, faced the Persians of Darius I; by the count of Herodotus the Persians lost about 6,400 men and the Athenians 192.

Who won the Battle of Marathon?

The Athenians won the Battle of Marathon in 490 BC, aided only by a small force from Plataea, defeating the invading Persian Empire of Darius I.

Sources and notes

Numbered notes in the text point to the works below.

  1. Encyclopaedia Britannica, “Ancient Greek civilization: The Battle of Marathon” ↩ a b
  2. Herodotus, Histories, Book 6, 102 to 117 (Spartan delay 6.106; Callimachus' vote 6.109 to 110; the charge at a run 6.112; losses 6.117). ↩ a b c d
  3. Peter Krentz, The Battle of Marathon (Yale University Press, 2010). ↩ a b
  4. Tom Holland, Persian Fire: The First World Empire and the Battle for the West (Little, Brown, 2005). ↩
  5. Encyclopaedia Britannica, “Miltiades the Younger” ↩
  6. Wikipedia, “Battle of Marathon”

Charge the plain yourself

Marathon is one of 40 battles in Echoes of Battle, told scene by scene, with a real-time tactical mode in the works, and set on the ground where Athens made its stand.

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