Welcome to the BB Backyard Ultra, Northern Ontario's first backyard ultra.

Join us on October 4, 2025, at Kivi Park in Sudbury, Ontario, for an unforgettable endurance challenge.

registration opens soon

one more lap

Whether you’re an experienced ultrarunner or new to the scene, the BB Backyard Ultra encourages every participant to test their boundaries and discover how far they can go.

Experience the beauty of an all-trail backyard ultra, with no roads to traverse. Run within the stunning scenery and spectacular fall colours that Northern Ontario has to offer. Our course provides a perfect mix of challenge and natural beauty, ensuring a memorable run for all.

Join us for a unique event where the community, camaraderie, and the thrill of the race create an unparalleled atmosphere. We look forward to seeing you at the starting line, over and over again!