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The deadline for transferring an entry or redeeming an entry that was transferred was 11:59 p.m. CST on May 1, 2018. 
Transfer requests are no longer being accepted.


Grandma's Marathon is the 2018 USATF Minnesota Championship. 

 
NOTE: Entry fees are non-refundable. Entries cannot be deferred to another year.

Registration fees

Grandma's Marathon: Closed

Join us for a scenic 26.2 mile journey along Lake Superior! Race is limited to the first 9,000 registrants.

    1. $110.00
      Oct 1 - Oct 31
    2. $125.00
      Nov 1 - Dec 31
    3. $135.00
      Jan 1 - Mar 31
    4. $145.00
      Apr 1 - Jun 1

Garry Bjorklund Half Marathon: Closed

Full Great Grandma's Challenge: Closed

The Full Great Grandma's Challenge allows you the chance to challenge yourself to the fullest by running the William A. Irvin 5K on June 15 AND Grandma's Marathon on June 16. Finishers of the Great Grandma’s Challenge will receive: commemorative Great Grandma's Challenge gear (TBD), 2 tech finisher shirts AND 2 finisher medals. Challenge is limited to the first 500 registrants.

    1. $170.00
      Oct 1 - Oct 31
    2. $190.00
      Nov 1 - Dec 31
    3. $200.00
      Jan 1 - Mar 31
    4. $210.00
      Apr 1 - Jun 1

Half Great Grandma's Challenge: Closed

The Half Great Grandma's Challenge allows you the chance to challenge yourself to the fullest by running the William A. Irvin 5K on June 15 AND the Garry Bjorklund Half Marathon on June 16. Finishers of the Great Grandma’s Challenge will receive: commemorative Great Grandma's Challenge gear (TBD), 2 tech finisher shirts AND 2 finisher medals. Challenge is limited to the first 500 registrants.

    1. $155.00
      Oct 1 - Oct 31
    2. $160.00
      Nov 1 - Jun 1

William A. Irvin 5K: Closed

The William A. Irvin 5K kicks off an exciting weekend of running events on Friday, June 15, 2018. Race is limited to the first 2,000 registrants.

    1. $35.00
      Oct 1 - Oct 31
    2. $40.00
      Nov 1 - Jun 1

Thank You To Our Presenting and Major Sponsors

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Event Schedule

  • June 15 6:00 PM CDT - 25th Annual William A. Irvin 5K

  • June 16 6:15 AM CDT - 28th Annual Garry Bjorklund Half Marathon

  • June 16 7:40 AM CDT - 42nd Annual Grandma's Marathon - Wheelchair Start

  • June 16 7:45 AM CDT - 42nd Annual Grandma's Marathon

Contact Information

Event Location

Duluth, Minnesota, United States

Click here to view map