Great Grandma’s Challenge Home

Registration for the 2022 Great Grandma’s Challenge will open at 7:00pm CT on October 1, 2021.

Date(s): June 17 & 18, 2022
Location: Duluth, MN
Race Capacity: 1,200 (500 Full GGC & 700 Half GGC)
Swag: Great Grandma’s Challenge jacket, Grandma’s Marathon & Garry Bjorklund Half Marathon finisher shirts & medals

NOTE: If you were registered for one of the 2020 Grandma’s Marathon weekend races and did not receive your promo code (sent via email on September 5, 2020), click here to find instructions on how to obtain your code.

Full Great Grandma’s Challenge Pricing Tiers

Pricing Structure
October 1-October 15 — $185
October 16-December 31 — $200
January 1-March 31 — $215
April 1-June 1 — $225

Half Great Grandma’s Challenge Pricing Tiers

Pricing Structure
October 1-October 15 — $175
October 16-December 31 — $190
January 1-March 31 — $205
April 1-June 1 — $215


Do you want the ultimate running experience during Grandma’s Marathon weekend?

Take the Great Grandma’s Challenge!

By participating, you’ll take your weekend experience to a new level with the chance to participate in not just one, but two Grandma’s Marathon weekend events.

The Full Challenge includes the William A. Irvin 5K on Friday and then Grandma’s Marathon on Saturday, while the Half Challenge starts with Friday’s 5K and moves to the Garry Bjorklund Half Marathon on Saturday.

It’s time to challenge yourself.


Future Grandma’s Marathon
Weekend Dates

June 16-17, 2023
June 21-22, 2024
June 20-21, 2025
June 19-20, 2026
June 18-19, 2027
June 16-17, 2028
June 15-16, 2029
June 21-22, 2030