Police are advising motorists to keep an eye out in the run up to the Parish Walk.
The event is set to take place this weekend, with nearly 1,300 people aiming to walk 85 miles in 24 hours.
Officers warn that now TT is over, there will be an increase in walkers out on the route.
As a result, drivers are asked to take extra care.
Society appeals for help about traditional gypsy caravans on the Island
Government issues bird flu warning after infected buzzard found
Will new UK law be brought in to protect Manx renters from mould?
Local Economy Forum launched to propose alternative to 'destructive' min wage increase
Group raising money towards legal costs for new Summerland inquest
Police appeal after Manx stone wall damaged
MHK wants to see all private healthcare reports
Let’s make Hop Tu Naa a boo-tiful night for all, say police