Grandma's Marathon
Always double-check with the organizer's website! This page may contain affiliate links.
2026 Grandma's Marathon Race Weekend : Duluth, MN
The 2026 Grandma's Marathon Race Weekend takes place June 19–20, 2026 in Duluth, Minnesota, at 350 Harbor Drive (55802). The weekend features multiple event options, including a marathon, a half marathon, a 5K, a combined 5K and marathon challenge, and a fundraiser-only option for participants who already hold race entries.
Entry to the races is offered through a fundraising program that supports Semper Fi & America's Fund. Team participation requires a team fee and a minimum fundraising commitment; examples listed for events include a $50 team fee plus fundraising targets of $500, $750, or $1,250 depending on the event. Some events are open to participants aged 12 and older.
Semper Fi & America's Fund provides case management, connection, and lifetime support to critically wounded, ill, and injured service members, veterans, and military families from all branches of the U.S. Armed Forces. Team benefits noted for fundraisers include a complimentary race entry, a training shirt, a race day shirt, a runner's goodie bag, an online fundraising link, timely updates from the race coordinator, and prizes for top fundraisers. Visit the organization's website for the most recent information.