Police say the first person of TT2025 has entered closed roads.
On Facebook, officers say they were alerted just eight minutes after the TT course shut today.
One person was reported to have crossed the circuit after it closed.
Police say it's a record for such offences.
Repairs on Peel Power Station to get underway
Manx Care doctor survey to be discussed by Tynwald
Weather warning for snow tonight
MHK queries safety at primary school in Ballabeg
Gales put two ferry sailings at risk tonight
Should the Island throw a birthday party for Barry Gibb?
Warning issued over icy roads
High ground could see 4 inches of snow on Saturday night