
Amersfoort, Netherlands · Sunday 25 May 2025
Held in the historic city of Amersfoort, this Dutch half marathon offers a perfect blend of urban running and natural beauty. The course takes participants through Amersfoort’s medieval city center, past charming cobbled streets, canals, and historic buildings, before venturing into the lush countryside. The flat course makes it appealing for those aiming for a fast time, while the supportive crowds and scenic surroundings create an enjoyable race-day atmosphere. The event is well-organized, wit
Adjusted Time
3:53:04
Time difference: -6.9 minutes compared to a flat, road, temperate course.
Halve Marathon Amersfoort is a full marathon held in Amersfoort, Netherlands, scheduled for Sunday 25 May 2025. The course is run on road surface with 16m of total elevation gain, reaching a maximum altitude of 7m above sea level. For registration and full race details, visit the official Halve Marathon Amersfoort website.
This is a very flat course with only 16m of total elevation gain across the full distance. The course ranges from -1m to 7m above sea level — a 8m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for May, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 13°C to 16°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a high chance of rain (99%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Halve Marathon Amersfoort 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 Halve Marathon Amersfoort 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 Halve Marathon Amersfoort against other marathons to find the right race for your goals.
Maastricht, Netherlands
Amstelveen, Netherlands
Terneuzen, Netherlands
Rotterdam, Netherlands
Enschede, Netherlands
Leiden, Netherlands