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Trail · 42 km · France

Trail des Arpents

Le Perray-en-Yvelines · Sun, Dec 6, 202639d09h20m

Trail
Forest
Charity

Race month

December · 2°–7°

Distances

42k, 23k

Distances

Running
La boucle des Layes
42 km
from 38.00 EUR – 43.00 EUR
- Until Nov 30, 202638.00 EUR
- From Dec 1, 202643.00 EUR
Running
La boucle des Arpents
23 km
from 23.00 EUR – 28.00 EUR
- Until Nov 30, 202623.00 EUR
- From Dec 1, 202628.00 EUR

Finish-time calculator

Your finish time

Slide to your target pace — and see when you’ll hit the line.

6:00

min / km

← faster · 2:0012:00 · easier →

4:12:00

Estimated finish · 42 km

10 km1:00:00

5 km30:00

Where am I when? · Splits

Start

0:00

5 km

30:00

10 km

1:00:00

15 km

1:30:00

20 km

2:00:00

Half

2:06:35

25 km

2:30:00

30 km

3:00:00

35 km

3:30:00

40 km

4:00:00

Finish

4:12:00

Estimates only · form, weather, and hills can change the result.

Course & climate

Typical weather in Le Perray-en-Yvelines

Monthly averages based on historical data (2000–present).

December

7°2°

Sunrise: 08:40
Sunset: 16:58

Weather data by Open-Meteo

What to expect

What makes this race distinct — for training and race day.

Catering & aid stations
Ravitaillement disponible
Pacers
Les concurrents doivent respecter scrupuleusement le parcours balisé et fléché, et ne pas couper au risque de se perdre. Le non-respect du parcours provoque une érosion irréversible du site et le dégrade. Le non-respect de cette directive entraînera une disqualification.

What does it cost?

La boucle des Layes	from 38.00 EUR – 43.00 EUR
Until Nov 30, 2026	38.00 EUR
From Dec 1, 2026	43.00 EUR
La boucle des Arpents	from 23.00 EUR – 28.00 EUR
Until Nov 30, 2026	23.00 EUR
From Dec 1, 2026	28.00 EUR

Entry fees often rise as earlier signup batches sell out or registration windows close.