My marathons

Course Grenoble-Vizille

Grenoble
Château de Vizille
Château de Vizille. Photograph by Photographer: Mosbatho, CC BY 4.0 via Wikimedia Commons

The course

On the 2026 course the 30 km trail ran from Eybens to the Domaine Départemental de Vizille with 1,000 m of climbing and the high point at Bellevue, km 23.

The course in short 3 lines
  • Eybens to the château at VizilleEybens to Vizille, 1,000 m up, the top at Bellevue.
  • The 20 km: 550 m up, with a relay handover550 m of climbing, a relay handover at km 10, a downhill finish.
  • On the trail of Napoleon and the RevolutionThe Route Napoléon, and the château where the Revolution began.
Course notes 3 short reads on the course
Whole courseGeometryEybens to the château at VizilleEybens to Vizille, 1,000 m up, the top at Bellevue.

The 2026 30 km started at the Gymnase Roger Journet in Eybens and reached the forest paths of the Frange Verte, with the first aid station at Champagnier (km 11). It then went by Jarrie Clos Jouvin and up to the summit of Bellevue at km 23, which the organiser calls the high point of the edition, with views over Belledonne and the foothills of Chamrousse. A second aid station at Montchaboud (km 24.5) comes before a descent to the finish in the Domaine Départemental de Vizille, along shaded avenues and the lake, in front of the 17th-century château.

Sourced

Whole courseGradientThe 20 km: 550 m up, with a relay handover550 m of climbing, a relay handover at km 10, a downhill finish.

The 20 km also starts in Eybens, at the same gymnasium as the 30 km, and goes by Jarrie into the runnable part of the route. The first aid station is at Champagnier (km 7.5) and the Clos Jouvin (km 10) is where relay runners hand over. The second aid station is at Montchaboud (km 14.5), after which the course turns to a flowing descent to the Domaine Départemental de Vizille. Both the 20 km and the 30 km finish at the same place.

Sourced

Whole courseLandmarkOn the trail of Napoleon and the RevolutionThe Route Napoléon, and the château where the Revolution began.

The event bills itself as following in the footsteps of Napoleon, and says the route takes the famous Route Napoléon and recalls the origins of the French Revolution between Grenoble and Vizille. On 21 July 1788 the Estates of Dauphiné, 540 representatives of the three orders, met in the Jeu de Paume hall of Claude Perrier’s château at Vizille and adopted voting by head, a step the organiser calls decisive on the road to the national Estates General of 1789.

Sourced

Race fuel

Energy gel
An energy gel sachet
Illustration · drag to turn

4 gels for Grenoble, plus 1 spare

Finish

One every 40 minutes, by the clock:

  1. km 7.3mile 4.5
  2. km 14.5mile 9
  3. km 21.8mile 13.6
  4. km 29.1mile 18.1

Our pick: SiS BETA Fuel gel, box of 6, strawberry and lime. 40 g of carbohydrate a gel, about twice a usual gel, from two kinds of sugar your body takes up side by side.

Easy to forget on race morning: pack them with your bib the night before.

Get it on Amazon

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In Canada the button opens GU Energy Gel, Salted Caramel, 24-pack, the best seller there.

Outside the Netherlands, Belgium, Germany, Austria and Switzerland, the UK and Ireland, Spain and Portugal, Italy, the rest of the EU and Canada the button opens GU Energy Gel, Chocolate Outrage, 24-pack on Amazon.com, the best seller there.

Anti-chafe
Compeed Anti-blister stick
Photo: Compeed

Compeed

Compeed anti-blister stick, 8 ml

Best selling on Amazon amazon.nl, read 2 Nov

An invisible layer before the start keeps seams, straps and shoes from rubbing skin raw.

Put it on before you leave for the start: heels and toes, inner thighs, under a bra or heart-rate strap.

Try it on a long run first, like everything you use on race day.

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We earn a small fee if you buy through these links. The price is the same.

Number belt
A race number belt
Illustration · drag to turn

Compressport Race Belt

Holds your bib without safety pins through your top, with loops for up to 8 gels.

Clip the bib on the night before, so it goes on with your shorts in the morning.

Keep the number on the front, where officials and photographers can see it.

Get it on Amazon

We earn a small fee if you buy through these links. The price is the same.

Electrolytes
A tube of electrolyte tablets
Illustration · drag to turn

SiS Hydro electrolyte tablets, tube of 20

One tablet in a bottle puts back some of the salt you sweat out.

One tablet in 500 ml of water in the hour before the start.

Only if you have used them in training: nothing new on race day.

Get it on Amazon

We earn a small fee if you buy through these links. The price is the same.

Blister plasters
Compeed Blister plasters, medium, 6
Photo: Compeed

Compeed

Compeed blister plasters, medium, 6

Best selling on Amazon amazon.nl, read 2 Nov

One in a pocket cushions a blister if one starts.

Put it on clean, dry skin and leave it until it comes off by itself.

Give a couple to whoever comes to cheer, so they are there at the km you need them.

Get it on Amazon

We earn a small fee if you buy through these links. The price is the same.
distance
30.0 km18.6 mi

Trip

Getting a place

Entry through the organiser

Entry details on the organiser’s site →

The organiser, a third party. We take no entries and have no part in the race.

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