"The safety and well-being of horses, athletes, teams, partners, staff, and spectators is our absolute priority," the organizer writes on Instagram.
Several countries in the region are facing Iranian counterattacks following U.S. and Israeli attacks on Iran. Qatar's Ministry of Defense said in a statement that two ballistic missiles had been shot down after reports of explosions in the capital Doha.
The season premiere of the Global Champions Tour (GCT) was supposed to take place this week with show jumping from March 4-7.
A new date for the Doha competitions has not yet been set. The next scheduled GCT competition is in Miami Beach, Florida, April 3-5.
