Catherine Nicoll
BBC News, Isle of Man
SOUTHERN 100
Thursday marks the final day of racing on the Billow Circuit for 2025
Several roads in the south of the Isle of Man are set to close for the final day of racing in this year's Southern 100 Road Races.
Run on the 4.75-mile (6.8km) Billown Course, the event is marking its 70th year in 2025.
Roads around the circuit will be closed between 09:30 and 12:00 BST and again from 13:30 to 16:45.
Organisers also have the use of a contingency session between 18:00 and 20:30 if needed to complete the race programme.
SOUTHERN 100
The second Southern 100 Sidecar Race is set to take place
The conclusion of the event will see both the solo and sidecar champions for 2025 crowned.
Racing at the event got off to a delayed start after rain showers hit the south of the island on Tuesday evening.
That led to the two opening Senior Race events being postponed, while the Lightweight race began but had to be red-flagged on lap two because of the deteriorating conditions.
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