You can find information from USADA about the testing process, including information about urine and blood collection and visit USADA's Anti-Doping 101 for detailed information on a variety of important topics for in-competition and out-of- competition testing.
Familiarize yourself with the testing process.
In-Competition Testing:
All competing athletes at USA Swimming competitions are subject to drug testing conducted by the United States Anti-Doping Agency (USADA) and FINA under the In-Competition Testing program.
NOTE: In competition testing period commencing at 11:59 pm on the day before a competition in which the athlete is scheduled to compete through the end of such competition and the sample collection process related to such competition.