From big races to Saturday morning group runs—find kids events and connect with the local endurance sports community.
SUNDAY JUNE 21 2026
Sign up now! Registration closes June 14 2026.
We look forward to welcoming competitive and recreational runners and walkers alike for our 4th annual Stouffville Main Street 5K and Kids 1K Dash benefitting the Markham Stouffville Hospital Foundation.
7:30 am - Runners Village Opens
8:00 am - Opening Remarks
8:30 am - Main Street 5K Starts *
10:00 am - Kids 1K Dash Starts
*The Main Street 5K will start in waves. During registration you will be asked to select your start group (i.e. you're anticipated 5K completion time from the list below).
Note: Event Timing is activated only when each participant crosses the Start/Finish line).
🔴 Red: less than 25:00 minutes
🟡 Yellow: 25:01-30:00 minutes
🔵 Blue: 30:01-35:00 minutes
🟢 Green: 35:01-45:00 minutes
🟣 Purple: 45:01+ minutes
All runners with strollers are asked to line up at the back of their selected wave. If you plan to walk the 5K, please ensure you are in the Purple wave.
Please no bicycles, rollerblades or scooters. Leashed and well-behaved dogs are welcome in the runner's village only, but not permitted on the course.
The Stouffville Main Street 5K is an Athletics Ontario Sanctioned Race Event
FUNDRAISING
While fundraising is not mandatory, it is certainly encouraged. The suggested fundraising minimum is $100.00 per adult and $50.00 per child. While your registration fee for the event helps to cover the various event costs, any fundraising dollars go directly to the Markham Stouffville Hospital Foundation. Donations over $20.00 will receive a charitable tax receipt from the Foundation.
Learn more about the Markham Stouffville Hospital Foundation and how your donations make a difference.
Individuals who raise over $250.00 will be entered in a draw to win a prize.
SPONSORSHIP OPPORTUNITIES
Interested in becoming a partner on the event? We are currently seeking event sponsors at various levels. To learn more about these opportunities, contact [email protected].
SUNDAY JUNE 20 2027
Register Now! Registration closes June 13 2027.
We look forward to welcoming competitive and recreational runners and walkers alike for our 5th annual Stouffville Main Street 5K and Kids 1K Dash benefitting the Markham Stouffville Hospital Foundation.
7:30 am - Runners Village Opens
8:00 am - Opening Remarks
8:30 am - Main Street 5K Starts *
10:00 am - Kids 1K Dash Starts
*The Main Street 5K will start in waves. During registration you will be asked to select your start group (i.e. you're anticipated 5K completion time from the list below).
Note: Event Timing is activated only when each participant crosses the Start/Finish line).
🔴 Red: less than 25:00 minutes
🟡 Yellow: 25:01-30:00 minutes
🔵 Blue: 30:01-35:00 minutes
🟢 Green: 35:01-45:00 minutes
🟣 Purple: 45:01+ minutes
All runners with strollers are asked to line up at the back of their selected wave. If you plan to walk the 5K, please ensure you are in the Purple wave.
Please no bicycles, rollerblades or scooters. Leashed and well-behaved dogs are welcome in the runner's village only, but not permitted on the course.
FUNDRAISING
While fundraising is not mandatory, it is certainly encouraged. The suggested fundraising minimum is $100.00 per adult and $50.00 per child. While your registration fee for the event helps to cover the various event costs, any fundraising dollars go directly to the Markham Stouffville Hospital Foundation. Donations over $20.00 will receive a charitable tax receipt from the Foundation.
Learn more about the Markham Stouffville Hospital Foundation and how your donations make a difference.
Individuals who raise over $250.00 will be entered in a draw to win a prize.
SPONSORSHIP OPPORTUNITIES
Interested in becoming a partner on the event? We are currently seeking event sponsors at various levels. To learn more about these opportunities, contact [email protected].