The Great Big Cookie Run is a unique event welcoming runners, walkers, and rollers of all ages and experience levels to participate in a 5K or kids' 1K race. Finishers enjoy the sweetest reward: Girl Guide Cookies, along with a medal (unless choosing the Green Bib), a personalized race bib, professional timing, and post-race snacks and beverages.

Held in Ottawa, this heartwarming event supports the Girl Guides of Canada. Participants can also opt for additional items like a technical shirt and an iTab ribbon hanger to commemorate their achievement.

- Races: Kids 1K and 5K
- Date: Saturday, October 25, 2025
- Start times:
- Kids 1K: 8:30 AM
- 5K: 9:00 AM
- Location: Ottawa, Ontario
- Queen Elizabeth Driveway will be closed from 7:30 AM to 10:30 AM between 5th Avenue and Preston Street.
- Street parking available in Lansdowne Park area.
- Green Bib option available: does not include a medal; portion of fee donated to Girl Guides of Canada.

- Finisher's medal (unless opting for the Green Bib)
- Personalized race bib
- Professional race timing
- Post-race snacks and beverages
- Girl Guide cookies on course and at the finish line
- Optional add-ons: technical shirt, iTab ribbon hanger
- Supports Girl Guides of Canada