
Bilbao, Spain · Saturday 18 October 2025
The Bilbao Night Half Marathon provides runners with a unique opportunity to experience the beauty and energy of this Spanish city after dark. The course is designed to showcase Bilbao's modern architecture, scenic waterfront, and vibrant cultural districts. Participants can enjoy the city's lively nightlife and delicious Basque cuisine after the race. This race offers a unique perspective of Bilbao, highlighting its modern transformation and vibrant atmosphere. The event embraces the city's nig
Adjusted Time
1:47:30
Time difference: +2.5 minutes compared to a flat, road, temperate course.
Bilbao Night Half Marathon is a half marathon held in Bilbao, Spain, scheduled for Saturday 18 October 2025. The course is run on road surface with 103m of total elevation gain, reaching a maximum altitude of 34m above sea level. For registration and full race details, visit the official Bilbao Night Half Marathon website.
With 103m of elevation gain, this is a moderately undulating course. The route ranges from 0m to 34m 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.
Based on historical weather data for October, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 16°C and 29°C. Heat is one of the biggest performance factors in marathon running — research shows that for every degree above 15°C, marathon times slow by approximately 1-2%. Extra hydration and a conservative start are strongly recommended. There is a low chance of rain (0%), so dry conditions are likely.
Bilbao Night 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 Bilbao Night 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 Bilbao Night Half Marathon against other half marathons to find the right race for your goals.