Great Grandma’s Challenge

Rise to the challenge.

Up for the ultimate running experience during Grandma’s Marathon weekend? Take the Great Grandma’s Challenge. By participating you’ll have the chance to take your Grandma’s Marathon weekend experience to a higher level by running the William A. Irvin 5K and Grandma’s Marathon OR the Garry Bjorklund Half Marathon.

It’s time to challenge yourself.

Registration for the 2018 Full Great Grandma’s Challenge opened October 1, 2017. Registration for the Half Great Grandmas’s Challenge is now closed. 


Challenge Limit: 500 for each challenge

Challenge participants are guaranteed entry into Grandma’s Marathon or the Garry Bjorklund Half Marathon and the William A. Irvin 5K.

Finishers of the 2018 Great Grandma’s Challenge will receive exclusive challenge swag!