Police advise residents and drivers that the Greens Farms area will be affected Sunday morning by the running of the Fairfield Half Marathon.

The race, which is scheduled to start at 8:15 a.m. at Jennings Beach in Fairfield, has a Westport leg that includes Greens Farms Road at the Fairfield town line, continuing to New Creek Road and on to Beachside Avenue before moving into Southport.

Through traffic will be stopped or severely limited while runners make their way through town, police warn. Motorists should anticipate delays because of road closures along the race route. Race organizers state runners will enter town by approximately 9 a.m. and be off Westport streets by 10:15 a.m.

The race route includes three miles on Westport roads. Local emergency personnel will be stationed inside the route area to respond to any emergencies with minimal delays.

Consider alternate routes to pass through the area. Residents along the route should expect that it will be difficult to get in or out of driveways during times when the heaviest number of runners pass through.