The Stewart McKelvey Fredericton Marathon Race Weekend is a cornerstone event in the Maritime running calendar, celebrated for its rich history and community spirit. Established in 1978, it is the longest-running marathon in the Maritime Provinces and has grown into a multi-day festival of running that attracts participants from across Canada and beyond. The 2025 edition marked the 47th annual occurrence, setting a new record with over 3,200 registered runners.

The event offers a diverse range of races, including an elite 5K, open 5K, 10K, half marathon, full marathon, youth fun runs, and virtual options. The marathon is renowned for its fast, flat, and scenic course, making it a popular choice for runners seeking personal bests or Boston Marathon qualification. The weekend also emphasizes inclusivity, with events for all ages and abilities, and fosters a vibrant atmosphere in Fredericton's downtown and along the picturesque riverfront.

- 47th annual running in 2025, the longest-running marathon in the Maritimes
- Record participation with over 3,200 runners
- Fast, flat, and Boston-qualifying course
- New Elite 5K race with cash prizes
- Youth fun runs and virtual event options
- Scenic route along Fredericton's riverfront and trails