Race day on this page is Oct 11, 2026.
20.0 kmForecasts live
20km de Paris
Sunday, October 11, 2026Paris, Ile-de-France, France
Goal time
1:35:00
Adjusted time (preview)
About 55 m of climbing and 56 m of descent. Mostly flat.
Almost all within 2%No grades over 6%One small rise
Impacts
Based on the forecast, 6 days out.
Elevation
Heat
Wind
Total Impact
Race Pass: personalised finish time, adjusted splits, and your race-day pacing plan.
Race Day Forecast
The live outlook for this start.
13°C
Feels like 13°C
Race start: 12°C → 13°C
Forecast: overcast, with moderate winds
Race Day Pacing
Personalized pacing with weather-adjusted strategy tailored to your fitness level.
Race Pass turns this into your personalised split plan, paced for this course and forecast
Live forecast, route, and elevation
Cloud Cover
90%
Wind
10.4km/h
Humidity
76%
WBGT
10.7°C
Race Day Pacing
Personalized pacing with weather-adjusted strategy tailored to your fitness level.
Race Pass turns this into your personalised split plan, paced for this course and forecast
Live forecast, route, and elevation
Race Timeline
Race starts 09:00
08:00
Starts 09:00
11°C
Feels 11°C
0.0 mm
0%
9.6 km/h
gust 13.7
09:00
Starts 09:00
12°C
Feels 12°C
0.0 mm
0%
9.9 km/h
gust 14.5
10:00
12.6 km
13°C
Feels 13°C
0.0 mm
0%
10.4 km/h
gust 15.7
11:00
Finished
14°C
Feels 14°C
0.0 mm
0%
10.9 km/h
gust 17.2
Conditions over time
11 Oct 2026 · Hover or drag to explore
76% humidityDew 8.6°CWBGT 10.7°C0.0 mm (0%)
13°CFeels 13°C
09:00-10:35
TempDewWBGTRain
10.4 km/h
gust 15.3 km/h
WindGust
Race morning history
Last 10 years, around the 09:00 start hour. Typical mid-October air averages 11°C (about 6°C to 17°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
6-16°C
Humidity
88%
Dew
9°C
WBGT
9°C
11°CAverage
09:00-10:30
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 1:30. 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.
NE
Most frequent (20%)
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.
- Paris Marathon
- Semi de Paris (Half)
- 100 km Steenwerck
- Corrida Internationale de Langueux 10km
- IRONMAN 70.3 World Championship Nice - Run Leg
- IRONMAN Tours Metropole - Loire Valley
- Les Foulées du Petit Bleu - Semi-Marathon
- Marathon Calais XXL
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 20km de Paris.
Pacing, splits, and race-day strategy personalised to your fitness and this course.
Want to compare options first? Compare plans