Blue Nose International Marathon

Blue Nose International Marathon 2025 Course Analysis

Blue Nose International Marathon is a full marathon held in Halifax, Canada, scheduled for Sunday 18 May 2025. The course is run on road surface with 423m of total elevation gain, reaching a maximum altitude of 74m above sea level. For registration and full race details, visit the official Blue Nose International Marathon website.

Elevation Profile

This is a hilly course with 423m of total elevation gain. The route climbs from 1m to as high as 74m above sea level — a substantial 73m elevation range. Runners should train on hills and plan for a more conservative pacing strategy, especially on the climbs.

Expected Race Day Weather

Based on historical weather data for May, the expected race day conditions are as follows. Cold conditions are expected, with temperatures between 6°C and 9°C. While cold weather reduces overheating risk, runners should dress in layers and be prepared for potential wind chill. There is a high chance of rain (54%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.

Surface Type: Road

Blue Nose International 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 Blue Nose International Marathon?

Our difficulty rating for Blue Nose International 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 Blue Nose International Marathon against other marathons to find the right race for your goals.