Grandma's Marathon
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Event overview
The 2026 Grandma's Marathon Race Weekend takes place Friday June 19 to Saturday June 20, 2026 in Duluth, Minnesota. The event location is listed as 350 Harbor Dr, Duluth, MN 55802. The weekend includes multiple race options and related entries.
Distances
- Marathon
- Half marathon
- 5K
- Challenge: 5K and Marathon
Several events are open to ages 12 and older. Registration is available through June 19 or June 20, 2026 depending on the event.
Fundraising, charity, and entry details
This weekend includes entries connected to fundraising for Semper Fi & America’s Fund. The fund provides case management, connection, and lifetime support for wounded, ill, and injured service members, veterans, and military families.
Some events require a team fee plus a fundraising minimum: a $50 team fee plus $750 fundraising for certain marathon and half marathon entries; a $50 team fee plus $500 fundraising for the 5K; and a $50 team fee plus $1,250 fundraising for the combined Challenge. A listed registration price shows $53 (including a $3 fee) for each event option. Benefits for fundraising team members include a complimentary race entry, a training shirt, a race day shirt, a runner goodie bag, an online fundraising link, updates from the race coordinator, and prizes for top fundraisers. Visit the organization's website for the most recent information.
