La Marmotte Granfondo Alpes 2027 – The Ultimate Guide for Cyclists

The La Marmotte Granfondo Alpes is one of the most iconic and challenging amateur cycling events in Europe, attracting thousands of riders to the French Alps each year. If you’re considering taking on the epic course in 2027, here’s your essential guide to planning, preparing, and making the most of this legendary event.

What is La Marmotte Granfondo Alpes?

La Marmotte Granfondo Alpes is a demanding cyclosportive, starting in Bourg d’Oisans and finishing at the summit of Alpe d’Huez. Covering over 174 km and featuring around 5,000 metres of climbing, it is renowned for testing even experienced cyclists with its iconic mountain passes and alpine scenery.

The Classic Marmotte Route

This event follows a legendary route through the heart of the French Alps, passing over some of the most famous cols in cycling:

• Col du Glandon – a challenging opening climb.
• Col du Télégraphe – a steady ascent with stunning views.
• Col du Galibier – the highest and arguably the hardest climb of the day.
• Alpe d’Huez – the legendary 21 hairpins to the finish line.

The combination of distance, elevation, and alpine weather makes completion a true achievement for any cyclist.

How to Enter La Marmotte Granfondo Alpes 2027

Entry for the 2027 edition is typically available online through the event’s official website. Due to high demand, it is recommended to register as early as possible. Make sure to monitor the announcement dates for registration opening and secure your spot quicker than the event sells out.

Where to Stay for the Event

Bourg d’Oisans is a popular base for riders, with easy access to the start line and excellent cycling facilities. Alpe d’Huez is also a favourite, providing direct access to the finish and a vibrant atmosphere throughout race weekend. Consider booking accommodation well in advance, as hotels and holiday rentals fill up quickly each year.

For suggestions on where to stay near the race, see:

• Hotel de Milan Bourg d'Oisans
• Explore Oisans holiday accommodation

Getting to the French Alps for La Marmotte

The nearest airports for La Marmotte are Grenoble Airport, Lyon Airport, and Geneva Airport. Many riders also arrive via train at Grenoble Train Station, making onward private transfers convenient.

For a comfortable, secure and bike-friendly journey from the airport or train station to your accommodation, private transfers are the most straightforward option. Vehicles can easily accommodate bikes and luggage, and drivers are familiar with the special needs of cyclists attending the event.

Preparing for the Challenge

La Marmotte is known as a bucket-list ride for a reason. Riders should train extensively for sustained alpine efforts, ensure they have a well-maintained road bike suitable for long climbs and fast descents, and be prepared for rapidly changing weather conditions at high altitudes. Booking your own bike rental in advance is recommended if you do not plan to bring your own; several local options are available in Bourg d’Oisans and Alpe d’Huez.

For high-quality bike rentals in the Oisans region, visit:

• Cycles et Sports Bike Rentals Bourg d'Oisans

Tips for Race Day

• Arrive early at the start area in Bourg d’Oisans (the roads can be busy before the event).
• Check the weather forecast and carry gear for rain or cold on the descents.
• Use energy gels, bars and electrolyte drinks to fuel your ride across the mountain stages.
• Know the cut-off times and your starting wave to plan your pace on the major climbs.