The 2026 Annual Stewart McKelvey Fredericton Marathon Race Weekend is set to take place from May 8 to May 10, 2026, in Fredericton, New Brunswick. Established in 1979, this event has become a cornerstone of the Atlantic Canadian running calendar, attracting participants from across the region and beyond. The Fredericton Marathon is renowned for its welcoming atmosphere, community spirit, and well-organized race experience.

The event is a certified Boston Marathon qualifier and has been recognized as the "Best Boston Qualifier" by Canadian Running Magazine. The race weekend features a variety of distances, making it accessible to runners and walkers of all ages and abilities. With a scenic, flat course that winds through Fredericton's extensive trail system, participants can expect a fast and enjoyable race, supported by enthusiastic volunteers and excellent amenities.

The Fredericton Marathon course primarily follows the city's extensive trail system, offering a mix of paved and gravel surfaces. The terrain is predominantly flat, making it ideal for personal bests and Boston qualifying times. In recent years, the route has been updated to include more of the northside trail system, providing runners with scenic river views and a tranquil, natural setting. The course is well-marked, with frequent hydration and nutrition stations, and is known for its fast, runner-friendly profile.

- Certified Boston Marathon qualifying course
- Named "Best Boston Qualifier" by Canadian Running Magazine
- Elite 5K event with $8,000 cash purse (Athletics Canada Road Race Label)
- Youth fun runs for ages 2–12 (400m–1,600m)
- Flat, scenic course utilizing Fredericton's trail system
- All participants receive a bib, tech shirt, and finisher medal
- Inclusive of all ages and abilities, with multiple distances and a virtual option