Total of 44 new world records were set at the 2012 Olympics.
32 new world records were set and there were also new Olympic records set with 11 just in the 47 athletic events and 20 more in the 34 swimming events. There are also many other records for World Junior, Asia, African, European, Country and individual records
She has tied the records Shannon Miller set for total world championships medals and total medals earned in one Olympics.
Romania had an extremely modest participation.
No he did not set a world record .
yes people do set world records
Mark Spitz. Not only did he set a record for the most gold medals in any olympiad, he also set a new world's record in each of the events he won.
Evgeni Plushenko of Russia set a world record score in the men's figure skating short program; his 90.66 points was more 10 points better than the nearest opponent's score