'during the two weeks' is correct and usable in written English.
You can use it to refer to a period of time that lasts for two weeks. For example: During the two weeks leading up to the exam, I studied every night.
DURING the two weeks after the Sept. 11 attacks on the World Trade Center, the suburban real estate market around Manhattan ground to a halt.
The diagramed deal was perhaps the most entertaining during the two weeks of play in Tenerife.
Mr. Selebi is free on bond during the two weeks he has to file an appeal.
It only draws crowds during the two weeks in January designated the Fotanian Open Studio period.
Stamped with the town's insignia, 147 packages marked lost property were specially delivered to residents during the two weeks.
Concerned that another workout might take too much out of him, Servis merely galloped the horse during the two weeks between the Derby and the Preakness.
Athletic Director Ron Wellman, who signed the 50-year-old Gaudio to a five-year contract, praised his strength during the two weeks of grieving after Prosser's death.
The golakes website saw a 30% drop in bookings during the two weeks after the floods compared to the previous year.
The judge said on Thursday that jurors picked to serve will be sequestered during the two weeks to a month that the trial will last.
The company obtained waivers of an International Olympic Committee rule that prohibits the use of Olympic athletes in ads during the two weeks of the Games.
Around 20,000 police officers, private security guards and army personnel will be on duty during the two weeks of the games, which have cost £1bn to stage.
