The Servus Calgary Marathon is Canada's longest-running marathon, with a storied history dating back to 1963 and annual races since 1971. Over the decades, it has become a flagship event in the Canadian running calendar, drawing participants from across the country and around the world. The marathon is renowned for its welcoming atmosphere, community spirit, and its role as a Boston Marathon qualifier, making it a sought-after race for both elite and recreational runners.

The event is more than just a race; it is a celebration of Calgary's vibrant culture and Western heritage. Runners experience a scenic urban course that highlights the city's modern skyline, picturesque neighborhoods, and natural beauty. The marathon is also deeply committed to charitable causes, with its Charity Challenge raising over $10 million since 2012. Unique features such as horses leading the race start and cultural performances along the route add to the festive and inclusive atmosphere, making it a memorable experience for all participants.

The Calgary Marathon course is a certified road race, featuring a primarily flat terrain with some gentle inclines. The route is entirely on paved surfaces, ensuring a smooth and fast run. Runners traverse Calgary's urban landscape, passing through diverse neighborhoods, city parks, and along the scenic Bow River. The course is designed to be accessible for runners of all skill levels, with minimal elevation changes and wide, well-marked paths. The start line is at Stampede Trail and the finish at Enmax Park, both iconic Calgary landmarks.

- Canada's longest-running marathon (since 1963)
- Certified Boston Marathon qualifier
- Variety of distances: Marathon, Half Marathon, 10K, 5K, Kids Race, Diaper Dash
- Strong community and charity focus (over $10 million raised)
- Unique Western heritage elements (horses at the start, cultural performances)
- Two-day event format for 2026
- Fully paved, accessible course for all abilities