Typical race-morning air at Grizzly 100 averages 12°C across the last 10 years (about 4°C to 19°C in that window). The morning can still warm as you run. Use that range for planning, not as a promise for race day.
100.0 km
Grizzly 100
Saturday, October 24, 2026's Gravenvoeren, Limburg, Belgium
Goal time
12:00:00
Adjusted time (preview)
About 2583 m of climbing and 2579 m of descent. Hilly.
32% within 2%32% over 6%57 climbs24 climbs over 6%
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 06:00 start hour. Typical late-October air averages 12°C (about 4°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
8-14°C
Almost all
6-17°C
Humidity
84%
Dew
9°C
WBGT
9°C
11°CAverage
06:00-14:14
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 8:14. 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 (34%)
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.
- Maasrun
- Antwerp 10 Miles
- Bruges Marathon
- Brussels Marathon
- Gent Marathon
- IRONMAN 70.3 Knokke Run Leg
- Leuven Marathon
- Nieuwpoort Marathon
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 Grizzly 100.
Pacing, splits, and race-day strategy personalised to your fitness and this course.
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