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 2017 “Full” Great Grandma’s Challenge is open. Registration for the 2017 “Half” Great Grandma’s Challenge is sold out. 


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. This means no lottery for those wanting to take on the “Half” Great Grandma’s Challenge (half marathon and 5K).

Finishers of the 2017 Great Grandma’s Challenge will receive an exclusive challenge hoodie!