Stefano Baldini won the final gold medal of the Athens Olympics, taking victory in the men's marathon.
But the race will be remembered for a shocking incident involving bronze medallist Vanderlei de Lima.
De Lima was leading when a spectator invaded the course and pushed him across the road and into the crowd.
De Lima was subsequently run down by Baldini and Meb Keflezighi but emerged with a brave bronze by holding off Britain's Jon Brown.
Brown finished fourth for a second successive Games.
Earlier in the day, boxer Amir Khan won silver for Britain after being beaten by Cuba's Mario Kindelan.
The 17-year-old began well, but was eventually outdone by the experience of Kindelan who took a 30-22 points win to ensure he ends his career unbeaten.
Khan's silver, which followed shortly after golds for Kelly Holmes and the men's sprint relay team on Saturday evening, brought Britain's medal haul to 30, more than in Sydney four years ago.
Cuba enjoyed a brilliant final day, taking three golds in the ring and also winning gold in the 60kg freestyle wrestling.
Yan Bhartelemy Varela won the first bout of the day, beating Atagun Yalcinkaya in the light flyweight final.
Compatriot Guillermo Rigondeaux won another boxing gold for Cuba, beating Worapoj Petchkoom of Thailand on points in the bantamweight division.
And the USA picked up their first boxing gold medal of the Games in the light-heavyweights when Andre Ward beat Magomed Aripgadjiev of Belarus on points.
But Egypt's boxing super-heavyweight hopeful Mohamed Aly did not contest his bout after failing a pre-fight medical - leaving Russia's Alexander Povetkin to take the gold.
The wrestling finals were temporarily halted after Russia's Buvaysa Saytiev and Murat Gaidarov exchanged punches following their bout.
That sparked a brawl among fans, as eventual gold medallist Saytiev won the bad-tempered 74 kg quarter-final.
World champions Brazil were crowned men's volleyball gold medallists after beating Italy by three sets to one, while Russia beat the US in the bronze medal play-off.
Alina Kabaeva of Russia won the Olympic individual rhythmic gymnastics gold with Russian teammate Irina Tchachnia taking silver and Anna Bessonova of Ukraine bronze.
And South Korean gymnast Yang Tae-young has appealed to the Court of Arbitration for Sport to try to claim the gold medal he lost because of a scoring error.
Yang, who won bronze, lost the all-around title to American Paul Hamm when incorrectly docked a 10th of a point from his parallel bars routine.
Denmark's women were crowned Olympic handball champions for the third successive time, triumphing 4-2 on penalties after an epic contest with Korea finished 34-34 following two periods of extra time.
In the men's event, world champions Croatia overcame a 10-point half-time deficit to beat Germany to gold.
Over at the Aquatic Centre, Hungary maintained their winning run against Serbia and Montenegro to take gold in the men's water polo.
Hungary, who were unbeaten in the tournament, have beaten Serbia and Montenegro six times so far in 2004.
Russia's Alina Kabaeva made up for missing out on gold four years ago by triumphing in the rhythmic gymnastics individual all-round final.
Kabaeva, who lost control of her hoop in Sydney, held it together this time to beat fellow Russian Irina Tchachina by more than a point.
In taekwondo, the hosts missed out on their seventh gold medal of the Games when South Korea's Moon Dae-sung won the men's over-80 kg category with victory over Alexandros Nikolaidis.
Moon caught his Greek opponent in the temple with a reverse roundhouse kick just over a minute into the bout and Nikolaidis was unable to continue.
And Great Britain's hopes of a taekwondo medal ended when Sarah Stevenson lost her opening match of the over-67kg class on Sunday morning.