SudburyROCKS!!! Marathon 2025

The SudburyROCKS!!! Marathon is Northern Ontario’s largest competitive running event, celebrating its 20th anniversary in 2025. It offers a variety of races including a full marathon, half marathon, 10K, 5K, and a 1K kids' race, welcoming runners and walkers of all abilities in a festive community atmosphere.

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Proceeds support the Health Sciences North Foundation, benefiting local cancer care initiatives. Participants enjoy a scenic, fast course with flat to rolling terrain and a certified Boston qualifier marathon loop set in vibrant Sudbury.

• Marathon course is a dual loop through downtown Sudbury, New Sudbury, and Minnow Lake
• Terrain: flat to rolling with a few small hills, considered fast
• Road surface for all events
• Certified Boston qualifier course (ON-2014-019-BDC)
• Aid stations available along the course

• Annual 20th anniversary in 2025
• Multiple race distances: Marathon, Half Marathon, 10K, 5K, Family Run/Walk, and Kids' race
• Certified Boston qualifier marathon course
• Supports Health Sciences North Foundation's cancer care initiatives
• Over 1,600 participants and 300+ volunteers annually
• Commemorative medals for finishers
• Family friendly event with stroller-friendly races (with safety guidelines)