Race day on this page is Oct 18, 2026.
Half
Amsterdam Half Marathon
Sunday, October 18, 2026Amsterdam, Netherlands
Goal time
1:35:00
Adjusted time (preview)
About 44 m of climbing and 47 m of descent. Mostly flat.
Almost all within 2%No grades over 6%No counted climbs
Impacts
Based on the historical mean for the race window over the last 10 years, ±5 days.
Elevation
Heat
Wind
Total Impact
Race Pass: personalised finish time, adjusted splits, and your race-day pacing plan.
Race morning history
Last 10 years, around the 13:20 start hour. Typical mid-October air averages 15°C (about 11°C to 19°C in that window). The bands are that history, not a forecast range. Hover or drag to explore.
Race-morning temperature
Most mornings
12-17°C
Almost all
11-19°C
Humidity
77%
Dew
11°C
WBGT
13°C
15°CAverage
13:20-14:55
Almost all (90%)Most mornings (70%)AverageRain
Blue is most mornings. Dashed lines are the rare tails. Pink is the average. The bands are historical race mornings, not a forecast range. Blue columns are rain on the right scale. This assumes a 1:35. You can set your own time in the app.
Typical race-morning wind
Where the wind usually came from on race morning, not where it was going.
SSW
Most frequent (25%)
Wind speed
0-6 km/h
6-13 km/h
13-21 km/h
21+ km/h
A start that feels cool is not a promise about the second half.
Related races
Same city, region or country, when we can resolve them. World majors also point to each other.
- Amsterdam Marathon
- Loop Den Haag Half Marathon
- Loop Den Haag 10K
- Marathon Groningen
- Rotterdam Marathon
- Utrecht Marathon
- Zevenheuvelenloop
- Halve Marathon Oldenzaal
View race map for this area.
Pacing and conditions FAQ
Beyond conditions
Conditions are only part of the race-day loss
Pacing mistakes often add several minutes, sometimes more than conditions alone, especially when the course and conditions are not ideal.
What your plan includes
Everything you need to turn this race preview into a usable race-day plan.
Personalized pacing
Effort and pace guidance tuned to this course profile.
Weather-adjusted splits
Split targets that account for heat, wind, and elevation.
Heat adaptation & drafting
Adjust for your heat tolerance and drafting preferences.
Get your personalised race plan for Amsterdam Half Marathon.
Pacing, splits, and race-day strategy personalised to your fitness and this course.
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