Raidlight Trail Festival
The trail festival in Chartreuse for all levels
About Raidlight Trail Festival
The Raidlight Trail Festival is a sporting and festive event dedicated to trail running, held annually in May in Saint-Pierre-de-Chartreuse, in the heart of the Chartreuse Regional Natural Park in Isère. Since its creation in 2013, this festival has brought together nearly 5,000 runners of all levels for seven races ranging from a 4 km vertical kilometer to a 46 km Maratour, with positive elevation gains from 900 to 2,600 meters. The event is distinguished by its friendly and family atmosphere, also offering children's races and a hike, allowing everyone to discover the spectacular landscapes of Chartreuse between summits and forests.
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Raidlight Trail Festival: The Trail Celebration in the Heart of Chartreuse
The Raidlight Trail Festival is one of the major events for trail running in Isère and the Auvergne-Rhône-Alpes region. Every May, the village of Saint-Pierre-de-Chartreuse hosts nearly 5,000 runners from all over France and Europe for a weekend of mountain races in the exceptional setting of the Chartreuse Regional Natural Park.
Seven Races for All Levels
The festival offers a varied range of races allowing everyone to find their challenge, from beginners to experienced trail runners:
- Vertical Kilometer (KMV): 4 km with 900 m of positive elevation, an intense ascent on Friday evening
- Festi'Trail: 17 km with 800 m D+, a discovery course ideal for a first trail experience
- Festi'Rando: 17 km with 800 m D+, a hiking version of the same course
- Semi Trail: 24 km with 1,400 m D+, for intermediate runners
- Trail Tour: 33 km with 2,000 m D+, a demanding course across the ridges
- Sky Trail: 27 km with 2,000 m D+, an aerial race on the Chartreuse summits
- Maratour: 46 km with 2,600 m D+, the festival's premier event, a true mountain marathon
An Exceptional Natural Setting
The Raidlight Trail Festival courses wind through the fir and spruce forests, the alpine pastures, and the limestone ridges of the Chartreuse massif. Runners navigate a preserved environment, between summits exceeding 2,000 meters and green valleys, offering breathtaking panoramas of the Alps, Mont Blanc, and the Belledonne range.
A Festive and Family Spirit
Beyond the competition, the Raidlight Trail Festival stands out for its friendly and festive atmosphere. The start-finish village offers entertainment, a catering area, and an exhibitor zone. Children's races are organized on Saturday afternoons, allowing the youngest to try trail running in a safe environment. The Festi'Rando offers a non-competitive alternative for discovering the trails on foot.
An Event Rooted in the Territory
The festival is organized by Trail Nature Organisation and bears the name of Raidlight, an iconic trail brand founded by Benoît Laval in Saint-Pierre-de-Chartreuse. The event benefits from the support of the Chartreuse Regional Natural Park, the municipality, and local tourism and mountain sports stakeholders, contributing to Chartreuse's reputation as a leading trail destination.
Raidlight Trail Festival — edition 2026
The 14th edition of the Raidlight Trail Festival will be held from May 15 to 17, 2026, in Saint-Pierre-de-Chartreuse. The festival will offer its seven emblematic races in the Chartreuse massif, from the Vertical Kilometer on Friday evening to the Sky Trail on Sunday, including the 46 km Maratour on Saturday.
Raidlight Trail Festival 2026 - 14th Edition
The 14th edition of the Raidlight Trail Festival will take place from May 15 to 17, 2026, in Saint-Pierre-de-Chartreuse, in the heart of the Chartreuse Regional Natural Park.
The weekend program will revolve around seven races for all levels:
- Friday, May 15: Vertical Kilometer (4 km / 900 m D+) at 5:00 PM
- Saturday, May 16: Maratour (46 km / 2,600 m D+), Trail Tour (33 km / 2,000 m D+), Semi Trail (24 km / 1,400 m D+), Festi'Trail and Festi'Rando (17 km / 800 m D+), children's races at 5:00 PM
- Sunday, May 17: Sky Trail (27 km / 2,000 m D+) at 8:00 AM
The festival village will host a catering area, specialized trail and mountain exhibitors, and activities for the whole family.
Programme Raidlight Trail Festival 2026
2026 Program
Friday, May 15
- 3:30 PM - 6:00 PM: Bib collection
- 5:00 PM: KMV Start - Vertical Kilometer (4 km / 900 m D+)
- 6:30 PM: KMV Awards Ceremony
Saturday, May 16
- 7:00 AM: Bib collection
- 8:00 AM: Maratour Start (46 km / 2,600 m D+)
- 8:30 AM: Trail Tour Start (33 km / 2,000 m D+)
- 9:00 AM: Semi Trail Start (24 km / 1,400 m D+)
- 9:30 AM: Festi'Trail and Festi'Rando Start (17 km / 800 m D+)
- 5:00 PM - 5:30 PM: Children's races
- 12:30 PM: Start of Awards Ceremonies
Sunday, May 17
- 8:00 AM: Sky Trail Start (27 km / 2,000 m D+)
- 12:00 PM: Sky Trail Awards Ceremony
Highlights Raidlight Trail Festival 2026
- 14th edition of the trail festival in Chartreuse
- Seven races from 4 to 46 km with elevation gains from 900 to 2,600 m
- Vertical Kilometer on Friday evening, the main uphill event
- Children's races and hiking for a family festival
- Exceptional setting in the heart of the Chartreuse Regional Natural Park
Prices Raidlight Trail Festival 2026
Practical information — Raidlight Trail Festival
Start and Finish Location
The festival village is located in the Bourg of Saint-Pierre-de-Chartreuse, in the heart of the Chartreuse massif. It is the starting and finishing point for all races.
Access
By Car
From Grenoble (25 km): take the D512 towards Col de Porte then Saint-Pierre-de-Chartreuse. From Chambéry (35 km): take the D912 via Col du Granier. Free parking is available near the festival village.
By Public Transport
Bus connections are possible from Grenoble via the TransIsère line. Carpooling is strongly encouraged by the organization.
Bib Collection
Bib collection takes place at the festival village:
- Friday: from 3:30 PM to 6:00 PM
- Saturday: from 7:00 AM
- Sunday: from 7:00 AM
Registration Fees
Registration fees vary depending on the chosen race:
- KMV (4 km): from €16
- Festi'Trail (17 km): from €21
- Semi Trail (24 km): from €30
- Trail Tour (33 km): from €40
- Sky Trail (27 km): from €40
- Maratour (46 km): from €55
Accommodation
Saint-Pierre-de-Chartreuse offers numerous accommodation options: hotels, gîtes, bed and breakfasts, and campsites. It is recommended to book early, as the village is often fully booked during the festival weekend.
Mandatory Equipment
Each race requires mandatory equipment detailed in the regulations (survival blanket, waterproof jacket, water supply, etc.). Checks are carried out during bib collection.
Contact
Organizer: Trail Nature Organisation
Email: [email protected]
Official website: www.chartreusetrailfestival.fr
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Travel to this festival
Book your train or bus to reach Raidlight Trail Festival at the best price.
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Where does it take place — Raidlight Trail Festival
Village du festival - Le Bourg
Le Bourg, 38380 Saint-Pierre-de-Chartreuse