Photos of a fan seeming to go onto the course after roads had closed have attracted hundreds of comments.
A TT visitor posted the snaps to one of the largest TT fan groups, with 72,000 members.
On them, a man can be seen going past the barriers at the end of Devonshire Road near Quarterbridge in Douglas.
He's been roundly condemned by fans.
TT course closed in Crosby after crash
Buses are being forced to divert this evening after a crash in Marown.
Gelato business is ready for summer!
A Castletown gelato hut is opening for the Summer season tomorrow.
Baroness Mone 'too late' for Covid inquiry special status
Manx resident Baroness Mone has been told she can't have access to documents and evidence in the UK's Covid-19 Inquiry.
Does the government offer part-time jobs?
How many part-time government jobs have been advertised in the last three months?
Bushy's TT Village announces opening dates!
The Bushy's TT Village will be back this year!
Ramsey sprint company can't afford TT2025 ferry costs
The company behind the Ramsey Sprint says it won't be back this year because it can't afford the ferry.
Moving swimming lessons to NSC saves £4,685
Education Minister Daphne Caine says giving children from Ballasalla swimming lessons in Douglas saves more than £4,500 a year.
Questions over 20 limits raised in Tynwald next week
Questions about the Island's impending 20mph urban speed limit will be raised when Tynwald sits next week.
