Welcome to the Ut4M 40 Belledonne race in this magnificent massif of Belledonne.

You will find here all the technical information needed to run through this massif, which will also host the third stage of the Ut4M 160 Challenge.

Do not hesitate to visit the page of the Ut4M 40 Series that will show you in words and pictures your adventure in the massif of Belledonne. You can take the opportunity to “discover” the other 3 massifs of the Ut4M, and may be it will give you a taste for adventure by running another Ut4M 40 Series race. Will you take up the challenge of the Ut4M 160 Challenge?

Transportation shuttles between Grenoble and places of departure and arrival are planned. Do not forget to book online on the registration page.

Start : Friday 17th August 2017 – 8am – Rioupéroux

Finish : Saint-Nazaire-les-Eymes



Time Barriers

Estimate your race time

You can download here an xlsx file. With this file, you can estimate your race time at each check point of the race. The estimation depends of your starting speed and the weakening rate of the starting speed.

ITRA Certification

Endurance Points

Mountain Level

Finisher Grade





Prices for registration


31st March 2017


30 June 2017


31 July 2017

44 €

50 €

60 €

Tarifs des options



End race buffet*


End race buffet*


Pasta Party

Tuesday 08/15

Pasta Party

Wednesday 08/16

Pasta Party

Thursday 08/17

Pasta Party

Friday 08/17

10 €

5 €

12 €

10 €

10 €

10 €

10 €

* on Saturday evening during podiums
* free for children under 18, no registration needed for them