
Black Diamond, Canada · Saturday 20 June 2026
This scenic rural half marathon takes runners through Alberta’s rolling foothills, offering expansive views of the Canadian Rockies. The race begins in the charming town of Black Diamond and finishes at the Millarville Farmers’ Market, one of Canada’s oldest markets. The course features long, open roads, gentle hills, and a peaceful countryside backdrop, providing a relaxing yet rewarding running experience. The post-race celebration includes local produce, artisan goods, and a welcoming atmosph
Adjusted Time
1:42:50
Time difference: -2.2 minutes compared to a flat, road, temperate course.
Millarville Half Marathon is a half marathon held in Black Diamond, Canada, scheduled for Saturday 20 June 2026. The course is run on road surface with 154m of total elevation gain, reaching a maximum altitude of 1226m above sea level. For registration and full race details, visit the official Millarville Half Marathon website.
With 154m of elevation gain, this is a moderately undulating course. The route ranges from 1164m to 1226m above sea level (62m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for June, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 5°C to 14°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a moderate chance of rain (22%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Millarville Half 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.
Our difficulty rating for Millarville Half 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 half 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 Millarville Half Marathon against other half marathons to find the right race for your goals.
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