Februar 14th and 15th 2020

10km of Night Trail Friday night

Modular course with loops around the village Saturday

39€ For earlybird, then 45€

The Night Trail

The Night N’ Day starts with a 10k night trail. Be sure to bring your headlamp and glowing clothes to shine on a path illuminated for the event. After this unique running experience, you’ll enjoy hot drinks and soups at the gymnasium where you’ll be sleeping.

The Day Race

After a good breakfast, the race will go on with a common section up to the village, the starting point of several loops.

With trail or bike, but also orienting and run&bike, you’ll be spoilt for choice! In total, there are six different loops that will make you earn points.

The choice is yours to decide how much distance you want to do. You could choose to enjoy one or two loops, or try to finish them all for a total of 100km.

The Village

Between your loops, you’ll be alble to enjoy all the different activities in the Village. There will be some Air Soft, a Big air bag and many other fun things to do.

A food booth will be opened all day for you to recharge your batteries or have a well-deserved lunch break!


Bikes and helmets will be given during the race, but it is asked that each participant bring the following equipement:

At least one per team:

  • a compass
  • a fully-charged cellphone, with a waterproof case
  • a pump, some bike tire iron, some bike repair patch, a multi-tools key an a chain tool
  • a whistle
  • a first aid kit
  • a little food
  • a 100+ lumen headlamp

A least one per runner:

  • a backpack
  • bike gloves
  • trail shoes
  • warm clothes and a raincoat
  • a water bottle or a backpack with a hydratation bladder
  • a headlamp with a spare battery (for friday night)
  • your glasses if you wear contact lens
  • a visible accessory (for friday night)

For friday night (your belongings will be transported by the staff on saturday) :

  • a sleeping bag and a sleeping pad
  • one tag for each bag to show your team number
  • clothes for the night and for saturday (do not forget some slippers for the gymnasium and two pairs of shoes foe the two races)

Useful Information


44€ if you regiter early, then it will be 49€ starting to a date we’ll define soon.

Are included:

  • a bike
  • a helmet
  • a meal at the arrival of the night trail
  • the night at the gymnasium (do not forger your sleeping bag and sleeping pad!)
  • food at the village
  • a dîner and ceremony on saturday evening
  • medical assisatance
  • a wonderful finisher T-shirt and some good mood!

Who can take part?

The Night’N’Day Saclay is for students and partner companies. Its modular format makes it accessible to anyone, no matter their fitness. All participants will have fun, may they want to experience a unique race with friends or try to achieve a sportive challenge!

The week-end schedule:

Please be at the Courcelle-sur-Yvette (RER B) train station parking on Friday 17 February (time to be anounced) for the night trail departure. The arrival will be at the Moulon gymnansium where you will spend the night

On saturday morning, a shuttle will take the participants to the Vaux de Cernay abbey for the begining of the common part of the race until the central village in Rambouillet. It will consit of:

  • 4 km of trail, then:
  • 15 km of bike

The loops departing from the village and their approximate distance are:

  • 2 trail loops, each of less than 10k
  • 2 20k bike loops
  • 1 15k Run & Bike loop
  • 1 Orienting loop

The day will finish with a short 2k trail section which will bring participants to the Rambouillet Castle for the Great Arrival!

Overall high to climb is about 900m.

All these numbers are subject to change during the next few weeks

After the arrival and some well-deserved rest, all the participants will enjoy a warm meal and the closing ceremony.

For their way back, participants can either take the N train line at Rambouillet station, or shuttles specially put in place for the event (price and destiantions to be announced).



Our commitments

The Raid CentraleSupélec is the first association to be both normed quality and environnement

In addition, each year we engage in an inclusive approach in collaboration with the Student Federation for a Dynamic Studies and Employment with a Disability



Find the pictures of the previous editions and the summaries on the Gallery page



The rankings of the previous editions and the podium in detail!