Calgary Marathon

Calgary Marathon 2026 Course Analysis

Calgary Marathon is a full marathon held in Calgary, Canada, scheduled for Sunday 24 May 2026. The course is run on road surface with 133m of total elevation gain, reaching a maximum altitude of 1071m above sea level. For registration and full race details, visit the official Calgary Marathon website.

Elevation Profile

With 133m of elevation gain, this is a moderately undulating course. The route ranges from 1037m to 1071m above sea level (34m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.

Expected Race Day Weather

Based on historical weather data for May, the expected race day conditions are as follows. Moderate temperatures between 10°C and 22°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a low chance of rain (4%), so dry conditions are likely.

Surface Type: Road

Calgary Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.

How Difficult Is Calgary Marathon?

Our difficulty rating for Calgary Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.

Looking for an easier marathon or a tougher challenge? You can also compare Calgary Marathon against other marathons to find the right race for your goals.