The Duluth Police Department has issued a traffic advisory for Grandma's Marathon weekend starting Friday evening.
Roads will close in race areas starting at 12 p.m. on Friday afternoon.
Motorists who violate "No Parking" areas risk having their vehicles ticketed and towed.
Races begin at the following times:
On Friday, Canal Park Drive from Railroad Street to Buchanan Street will be closed for Grandma's Marathon finish line set up.
This area will be closed to vehicle traffic until after the Grandma's Marathon Finish on Saturday.
Harbor Drive behind the DECC will be closed to motorists starting at 3 p.m.
At 5:30 p.m., traffic will be diverted off portions of Railroad Street for the duration of the race.
Traffic delays will happen for about one hour, due to portions of Railroad Street being closed.
Railroad Street will be closed from harbor Drive west to Pier B.
Southbound traffic on 5th Avenue west will be allowed down to Railroad Street to access the DECC parking lot.
Harbor Drive behind the DECC will also be closed to traffic.
Access to the Aquarium parking lot will be interrupted between 5:45 p.m. until about 6:30 p.m.
Access to the DECC will be through the North Gate on Railroad Street, from Lake Avenue and from 5th Avenue West.
The only exits will be through the Ramp onto Railroad Street and onto northbound 5th Avenue West.
Vehicles on Northbound I-35 exiting on the 5th Avenue West off ramp can continue straight to access the DECC Lot, or turn right onto 5th Avenue West to access either the DECC Lot or the Aquarium Lot.
Most traffic is expected to return to normal by 7:30 p.m.
On Saturday, Scenic Highway 61 will be closed to traffic at 4:15 between Duluth and Two Harbors at 4:15 a.m.
Lakewood, Homestead, Ryan, and McQuade Roads will be closed from the Highway 61 Expressway to Scenic Highway 61 at 4:15 a.m.
The southbound lane of I-35 from 21st and 26th Avenues East will be closed at 4:30 a.m.
Avenues leading down to London Road will be closed at 5 a.m.
The following roads will close and detours will be in effect at 5:45 a.m.
All roads closed for the marathon, including the freeway, will reopen around 2 p.m. on Saturday.
Park Point Traffic: