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Les Challenges de Grimentz

SpArk LAB x Grand Raid: an immersive game for everyone

Grimentz

SpArk LAB, Grand Raid and Alpvengers have joined forces to offer you a fun and unique adventure based on the legendary mountain bike race! Enjoy a unique and fun experience in Grimentz from 6 September to 26 October 2025 with the free Alpvengers app! You don't need to be a mountain biking champion to take part!

Download the app and set off on an adventure! Quizzes, photo challenges, discovery walks, or a post-race cycling challenge – a whole program awaits you. Take on the challenges on your own or with others and win local rewards (drinks, gifts, vouchers…).

4 challenges, 4 vibes

- The Supporters’ Trail: hike up to Pas de Lona on race day
5.8 km and 670 m of elevation gain to cheer on the riders up close. Open on Saturday, September 6.

- The Roâs Challenge: explore the old village of Grimentz
Discover the heart of Grimentz and dive into its history. From Saturday, September 6 to Saturday, October 26.

- Bus Ride Challenge: sustainable mobility on the way up by public transport
During the bus ride to Grimentz, answer fun questions and learn about the surrounding landscape. Open on Saturday, September 6.

- Destination Moiry Lake: a sporty bike climb to the dam
7.2 km uphill by bike to reach the stunning Moiry Lake. From Saturday, September 6 to Saturday, October 26.

And if you complete a challenge? You’ll get a little gift from our partners!

How to play?

- Download the Alpvengers app (for Android or iOS)
- From September 6, pick a challenge (or more!)
- Follow the instructions
- Collect your reward at one of the relay points

Opening hours

Open

Rates

Individual priceFor all : Free
Location View mapGrimentz
Grimentz
3961 Grimentz
Website(s) Download the Alpvengers app

In pictures

Location

Google Maps itinerary

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