Islandsbanki Reykjavik Marathon
Reykjavík, Iceland · Saturday 23 August 2025
Islandsbanki Reykjavik Marathon is a vibrant event held annually in Reykjavik, Iceland, coinciding with the city's Cultural Night Festival. The race features a full marathon, half marathon, 10K, and 3K fun run, making it accessible to runners of all levels. The course is smoothly paved and flat, passing along the coastline of Reykjavik and Seltjarnarnes, offering breathtaking views of the ocean and surrounding mountains.
Difficulty Calculator
h
:m
:s
Adjusted Time
3:54:02
Time difference: -6.0 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain132m
Elevation High33m
Elevation Low3m
Weather Forecast
High14°C
Low7°C
Chance of Rain0%
Islandsbanki Reykjavik Marathon 2025 Course Analysis
Islandsbanki Reykjavik Marathon is a full marathon held in Reykjavík, Iceland, scheduled for Saturday 23 August 2025. The course is run on road surface with 132m of total elevation gain, reaching a maximum altitude of 33m above sea level. For registration and full race details, visit the official Islandsbanki Reykjavik Marathon website.
Elevation Profile
With 132m of elevation gain, this is a moderately undulating course. The route ranges from 3m to 33m above sea level (30m 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 August, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 7°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 low chance of rain (0%), so dry conditions are likely.
Surface Type: Road
Islandsbanki Reykjavik 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 Islandsbanki Reykjavik Marathon?
Our difficulty rating for Islandsbanki Reykjavik 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 Islandsbanki Reykjavik Marathon against other marathons to find the right race for your goals.