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.

- 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