Plan your trip · practical info Everything for the start line.
Bibs, times, gear, aid stations: everything you need to know before the start. The rest is up to your legs.
Register for the race.
Registration for LIGHT ON RUN Madine** 2027 opens Tuesday 20 October 2026 at 8:00pm, online only, while bibs last. Here's what you need to know before you sign up.
“Great atmosphere, you feel good out there.”
Registration
Opens Tuesday 20 October 2026 at 8:00pm for the 10 KM* and the Semi-Marathon**. Closes Monday 3 May 2027 at 8:00pm, or earlier if all bibs are gone. The registration link will be announced in the newsletter and on our socials as soon as it opens.
Licence & health
For adults: an FFA licence (Athlé Compétition, Entreprise or Running), a Pass' J'aime Courir, or a PPS health certificate (Parcours de Prévention Santé, done online). To be uploaded at least two weeks before the race. Minors: see the rules.
Bib pickup
Wednesday 5 May, 5:00-7:00pm; Thursday 6 May, 7:30-8:30am for the Semi-Marathon**, 7:30-11:00am for the 10 KM*. At Village LIGHT ON, Lac de Madine. No postal delivery.
Prices: 10 KM* €19 (flat rate), Semi-Marathon** from €23 (rises on 1 February and again on 1 April 2027). Got a question?
Getting to the lake.
Start and finish at Village LIGHT ON, by the Lac de Madine, in the town of Nonsard-Lamarche (55210, Meuse), inside the Lorraine Regional Nature Park.
By car
The Lac de Madine is in the Meuse, between Verdun and Toul. Directions to Village LIGHT ON.
Parking
Signposted parking close to Village LIGHT ON. Follow the signage and the volunteers' instructions on arrival for smooth access.
Car-sharing
We encourage runners to share rides, to cut down on traffic and make parking around the lake easier.
Why not stay the weekend ?
The lake and its leisure area are worth a night on site. And your legs will thank you for not jumping straight back in the car.
Where to sleep
The Lac de Madine has a lakeside leisure area with camping, a short walk from Village LIGHT ON. The surrounding villages (Nonsard-Lamarche, Heudicourt-sous-les-Côtes, Pannes) also offer gîtes and B&Bs.
Discover the lake
Swimming, sailing, pedal boats, paths around the lake: plenty to extend the weekend once you've crossed the line.
Book early
To sleep by the lake, book early. Simplest option: book the same day you register for your bib.
Eating on site.
At Village LIGHT ON or nearby, there's plenty to eat before… and especially after.
At Village LIGHT ON
Drinks and food on race day.
Aid stations
Liquid and food aid stations on the courses, plus the full aid station at the finish.
Nearby
Shops and restaurants in the villages around the lake round out the offer for the rest of the weekend.
Taking the start relaxed.
Times, gear, aid stations and safety. What you need to know before taking the start.
Start times
Semi-Marathon** : starts at 9:00am. 10 KM* : starts at 11:30am. All starts are from Village LIGHT ON, Lac de Madine.
Gear
Running shoes are recommended. Bring 4 safety pins or a bib belt: none are provided on site. Canicross is not allowed.
Aid stations
10 KM* : one liquid aid station at km 5.Semi-Marathon** : liquid at km 6, liquid and food at km 12 and 15.Full aid station at the finish on both courses.
Course marking
Marked courses with volunteer marshals at key points and crossings, all along the lake.
No cut-off time
Neither the 10 KM* nor the Semi-Marathon** have a cut-off time: both courses are marked and you run them at your own pace.
Rules
The full rules are online. Got a question before the start? Write to us.
Frequently asked questions.
Do I need a licence to take part ?
No, but you need proof of fitness to run. For adults: an FFA licence (Athlé Compétition, Entreprise or Running), a Pass' J'aime Courir, or a PPS health certificate, to be uploaded at least two weeks before the race. Conditions for minors are in the rules.
What's the minimum age ?
10 KM* : from Cadet category (born 2011 or before). Semi-Marathon** : from Junior category (born 2009 or before).
Can I register on the day ?
No, registration is online only. It closes on Monday 3 May 2027 at 8:00pm, or earlier if all bibs are gone.
I can no longer make it, what can I do ?
You can transfer your bib to another runner up until Monday 3 May 2027 at 8:00pm, from your registration account. With a medical certificate, 50 % of the registration fee is refunded up to one month before the race. Full details are in the rules.
Are the races timed ?
Yes, both the 10 KM* and the Semi-Marathon** are timed. An overall ranking rewards the top 3 men and top 3 women.
Are there any prizes ?
The top 3 men and top 3 women overall (senior and veteran categories) win trophies and prizes. No prizes by age category beyond the overall podium.
Can I run with my dog ?
No, canicross is not allowed on the courses, for runners' safety.
Is there a cut-off time ?
No, there's no cut-off time on either the 10 KM* or the Semi-Marathon** : both courses are marked and you run them at your own pace.
What should I bring ?
Running shoes are recommended. For your bib: bring 4 safety pins or a bib belt, as none are provided on site.
Another question ?
Write to us at hello@lightontri.com or call +33 3 74 47 56 52. We'll get back to you.
Got a question before you register ?
Write to us, we'll answer. Registration opens Tuesday 20 October 2026, 8:00pm.