The Servus Calgary Marathon is Canada's longest-running marathon, established in 1963, celebrating its 61st anniversary in 2025. This iconic event in Calgary offers a two-day race weekend featuring multiple distances, from Kids Races and 5 km to the full Marathon and Half Marathon, welcoming runners of all ages and abilities.

Known for its community spirit and charitable fundraising supporting over 100 local organizations, the 2025 edition introduces a new Masters (40+) division and expanded prize money, aiming to provide optimal racing experiences including redesigned courses and a Green Bib option to give back while racing.

- Two-day event featuring races on Saturday and Sunday
- Multiple distances: Diaper Dash, Kids Race, 5 km, 10 km, Half Marathon, Marathon
- Green Bib option donates $10 to Great Divide Trail Association in lieu of shirt and medal
- Newly introduced Masters (40+) division
- Increased prize money for marathon, half marathon, and 10 km
- Stroller-friendly courses for many distances
- Charity Challenge supports over 100 local organizations