The Spinneys Dubai 92 Cycle Challenge has been postponed following the death of Sheikh Hamdan bin Rashid.
The news was posted in a statement on social media.
It said "The Spinneys Dubai 92 Cycle Challenge sends its sincere condolences and sympathy to His Highness Sheikh Mohammed bin Rashid Al Maktoum, Vice-President and Prime Minister of the UAE and Ruler of Dubai and his family".
Organisers say a new date will be announced shortly.
More than 2,000 cyclists had been expected to take part in the 92-km challenge.


England survive France fightback to secure third place in World Cup
Wimbledon finalist Muchova to miss Canadian Open after minor surgery
Mexico's Sheinbaum to attend World Cup final at President Trump's invitation
Antonelli takes Spa pole ahead of Verstappen
Spain cancels final World Cup tuneup, Argentina practice after weather delay