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.

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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.

* Road surfaces throughout all race distances * 10 km course redesigned into a loop for personal best potential * Starts near GMC Stadium and Enmax Park in Calgary * Mild temperatures (10-20°C) and moderate humidity typical in late May * Community-focused course routes with festive spectator support

• 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