Plan your visit · practical info Everything to reach the start line.
Bibs, start times, kit, aid stations, safety: everything you need to know before the start. The rest is your legs.
Register for the race.
Registration for the LIGHT ON TRAIL Pierre-Percée*** 2027 is open, online and within the limit of available bibs. Here's the essentials before you confirm yours.
"Great organisation, easy to pick up the bibs, friendly and helpful volunteers, lovely route… I'll be back!"
Registration
Open since 29 September for the 17 KM*, the 37 KM** and the 54 KM***. Limited number of bibs: it's best to register early.
Licence & health
For adults: an FFA licence (Athlé Compétition, Entreprise or Running), a Pass' J'aime Courir or a PPS certificate (Parcours de Prévention Santé, done online). To be uploaded to njuko no later than two weeks before the race. Minors: see the rules.
Bib pick-up
At the Village LIGHT ON, on Saturday from 17:00 to 19:00 and on Sunday from 06:00 to 09:00, in Celles-sur-Plaine. Bibs are not posted out.
Prices and registration: it all happens on njuko. A question?
Reaching the lake.
Start and finish at the Village LIGHT ON, at the Base de Loisirs de Celles-sur-Plaine (Vosges, 88110), by Lake de la Plaine, a few minutes from Lake Pierre-Percée.
"Really lovely route. Easy to get to. Thank you all for this great organisation! See you next year without a doubt!"
By car
Village LIGHT ON in Celles-sur-Plaine: about 1h10 from Nancy, 1h20 from Strasbourg and 1h from Épinal. Directions to the Village LIGHT ON.
Parking
Signposted parking near the Village LIGHT ON. Follow the signage and the volunteers' instructions on arrival for a smooth access.
Carpooling
We encourage carpooling between runners to limit the impact of journeys and make parking easier around the lake.
Why not stay for the weekend ?
The lake and the forest are well worth a night on site. And your legs will thank you for not getting straight back in the car.
Where to stay
By the lake, in Celles-sur-Plaine like the Village LIGHT ON: the lake cottages and the Pierre-Percée Pays des Lacs campsite. In the surrounding villages, other accommodation, gîtes and guesthouses.
Discover the area
Canoeing, paddle, treetop adventure, leisure park: the Pierre-Percée Pays des Lacs site lists the activities around the lake, plenty to extend the weekend.
Book early
To sleep by the lake, it's best to get in early. The simplest way: book the same day as your bib.
Eating on site.
At the Village LIGHT ON or nearby, something to eat before… and above all after.
At the Village LIGHT ON
Refreshments and food made with local produce on Sunday.
Aid stations
Drinks and food aid stations on the routes, a full aid station at the finish, short-supply and zero-waste.
Nearby
Shops and restaurants in the neighbouring villages round out the offer for the rest of the weekend.
Line up with a clear head.
Start times, kit, aid stations, markings and safety. This information will be refined over the coming weeks.
Start times
54 KM***: start at 07:30. 37 KM**: start at 08:30. 17 KM*: start at 09:30. All starts are from the Village LIGHT ON, in Celles-sur-Plaine.
Kit
Semi-self-sufficient races: a personal water supply is strongly recommended, as well as trail shoes. Remember to bring 4 safety pins or a bib holder too. Canicross not allowed.
Aid stations
17 KM*: a drinks aid station around km 11.37 KM**: drinks and food at km 11 and km 26.54 KM***: drinks and food spread across the whole distance.Full aid station at the finish, local produce and zero-waste.
Markings
Routes marked with signs, flags and removable ground marking, taken down after the race. Volunteer marshals at the key points and junctions. "The route was top and well marked."Sophie C. 37 KM**
Safety & first aid
First-aid posts, a medical team and marshals across the whole setup. Cut-off times: km 11.3 at 2h15 (17 KM* and 37 KM**) and km 26.2 at 4h45 (37 KM**). For the 54 KM*** (start 7:30): km 11.3 at 2h15, km 28.3 at 5h30, km 43.4 at 8h30, finish within 10h30 maximum.
Rules & roadbook
The full rules are online. The roadbook for each route (profiles, aid stations, cut-off times) is coming soon. A question in the meantime? Write to us.
Frequently asked questions.
Do I need a licence to take part?
No, but you do need proof. For adults: an FFA licence (Athlé Compétition, Entreprise or Running), a Pass' J'aime Courir or a PPS certificate, to be uploaded to njuko no later than two weeks before the race. Conditions for minors are in the rules.
What is the minimum age?
17 KM*: from the Junior category (born in 2009 or earlier). 37 KM** and 54 KM***: from the Espoir category (born in 2007 or earlier).
Can I register on the day?
No, registration is online only, on njuko. It closes on Thursday 1 April 2027 at 8:00 pm, or earlier if all the bibs have gone.
I can no longer come, what should I do?
You can transfer your bib to another runner until Thursday 1 April 2027 at 8:00 pm, from your njuko participant area ("Transfer my registration"). With a medical certificate, 50% of the registration fee is refunded up to one month before the race. It's all detailed in the rules.
Are the races timed?
Yes, all three distances are timed. The spirit stays friendly above all: we come for the kilometres and the finish line... but also to look up and get an eyeful!
Is there a finisher medal and a gift?
Yes! Every participant gets a tee-shirt as a gift, and on the 17, the 37 and the 54, every finisher leaves with their medal, right after the finish line. "The little medal at the finish is really great. Better than any other gift."Hervé G. 37 KM**
Can I run with my dog?
No, canicross is not allowed on the routes, for the safety of runners and out of respect for the massif.
Are there cut-off times?
Yes: km 11.3 at 2h15 (17 KM* and 37 KM**) and km 26.2 at 4h45 (37 KM**). For the 54 KM*** (start 7:30): km 11.3 at 2h15, km 28.3 at 5h30, km 43.4 at 8h30, finish within 10h30 maximum.
What should I bring?
Semi-self-sufficient races: a personal water supply and trail shoes are strongly recommended. And for the bib: 4 safety pins or a bib holder.
Another question?
Write to us at hello@lightontri.com or call +33 3 74 47 56 52. We'll get back to you.
A question before you register ?
Write to us, we'll reply. Registration is open.