As the rapidly growing pandemic COVID19 continues to spread globally, the Olympics have had to call the Tokyo 2020 Olympic Games to a halt. This is the biggest event to be effected by this pandemic yet, and first in Olympic history. They have rescheduled the games to open July 23, 2021 and close August 8, 2021, with the Paralympics being held August 24, 2021 through September 5, 2021. Track and field world championships in Eugene, Oregon were also postponed, which would have overlapped with the Olympics. World championships for swimming that would be conflicting are expected to be pushed back as well. Tokyo organizing committee president Yoshiro Mori and organizing committee CEO Toshiro Muto say the cost of the rescheduling will be massive, estimated in the range of billions. However, the decision was based on three main considerations: to protect the health of athletes, to safeguard the interest of the athletes and Olympic sport, and international sports calendar. These considerations were supported by all the international sports federations. This rescheduling gives all involved in organizing of the Games adequate time to deal with disruption of COVID-19 and tailor their training to their current conditions.