Now much bigger than just a 26.2-mile road race, Grandma’s Marathon is now a “can’t miss” weekend that brings together runners of all calibers and from all over the world for a yearly celebration of the human spirit. After a breezy afternoon, the wind should calm some into the evening, with a slight easterly breeze possible into the evening hours, 5-10 mph off Lake Superior from the east.Since our inaugural race in 1977, Grandma’s Marathon has grown into one of the largest and most popular marathons in the United States. Temperatures will fall from 60 degrees around 6 pm to 50 degrees by 11 pm. Saturday Evening - Entertainment Tent Concerts (Duluth)Ī few clouds will start to creep into the picture for Saturday evening, but mostly clear and dry conditions will make for a cool, but pleasant night. Note that if you venture away from the Lake Superior shoreline, things will be a little warmer away from the lake, as a breeze from the lake will keep things cool in areas like Canal Park.

Generally clear and dry conditions will continue through the daytime hours, with temperatures staying around 60 degrees through the afternoon. An easterly breeze will persist through the afternoon, with some wind gusts as high as 20 mph possible from noon through 6 pm. A slight east breeze of 5-10 mph will persist through the morning, with the potential for some wind gusts of 15-20 mph developing through the late morning and early afternoon hours. Temperatures will range from 52 degrees at the finish line at 7 am, warming to 60 degrees by noon. Saturday Morning - Gary Bjorklund Half Marathon/Grandma's Marathon Finish Line (Duluth)Ī clear sky and dry conditions look to persist into the Saturday morning hours. As the morning progresses, a possibility of some wind gusts up to 15-20 mph are possible.

Much of the overnight will see temperatures around 50 degrees, including at 6 am, warming to 55 degrees by 8 am.Ī breeze off Lake Superior (out of the east) between 5-10 mph will be possible through the start of the morning's races.

Saturday Morning - Grandma's Marathon Starting Line (Two Harbors)Ĭlear and dry conditions will welcome runners for Saturday morning's events.

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