Registration for the Grandma Marathon 2025 begins on October 1st

DULUTH, Minn. – Registration for the 2025 Grandma's Marathon Weekend begins October 1 at 7 p.m. at GrandmasMarathon.com.

The William A. Irvin 5K will have a different location next year.

It begins at Harbor Drive on Irvin, then goes to Canal Park Driver, below the marathon's main finish line, and then ends at Bayfront Festival Park.

The change is due to planned construction outside the Lake Superior Maritime Visitor Center.

Grandma's Marathon (9,000 places)
October 1st – October 15th – $130
October 16th – December 31st – $140
January 1 – March 31 – $150
April 1 – June 1 – $160
Virtual – $120

Garry Björklund Half Marathon (Capacity 8,000)
October 1st – October 15th – $120
October 16th – December 31st – $130
January 1 – March 31 – $140
April 1 – June 1 – $150
Virtual – $110

William A. Irvin 5K (2,700 seats)
October 1st – October 15th – $45
October 16th – December 31st – $50
January 1 – June 1 – $55
Virtual – $40

Complete Great-Grandmother Challenge (Capacity: 500)
October 1st – October 15th – $205
October 16th – December 31st – $220
January 1 – March 31 – $235
April 1 – June 1 – $245

Half Great Grandmother Challenge (Capacity: 700)
October 1st – October 15th – $195
October 16th – December 31st – $210
January 1 – March 31 – $225
April 1 – June 1 – $235