The public are being asked to show some patience today as more than 200 cyclists take part in a cycle from Sligo to Letterkenny today.
The annual cycle in aid of cancer support, will involve cyclists of all ages.
The group left just after 10am and will be arriving in Letterkenny at various times.
“All road users are asked to be patient and to show courtesy to the cyclists to ensure that the event passes off safely. All support is much appreciated,” said a spokesman for the event.