La Grande Traversée de l'Ouest offers you the opportunity to take on Mauritius' first major 10 km open water swimming challenge, whether solo, with swimming accessories, or as part of a relay team.
Choose your format, build your team, and become part of the history of this inaugural edition!
MORE THAN A RACE. AN ADVENTURE.

For swimmers ready to conquer the full challenge
A dedicated category allowing participants to complete the entire crossing using swimming accessories.
Fins and snorkel are not provided.
5 km per swimmer – share the effort and experience the adventure as a team
2.5 km per swimmer – the ideal format to discover long-distance swimming, take on a challenge with friends, and share an unforgettable experience
The safety of all participants is our highest priority.
The course will be fully supported by a dedicated water safety team, including safety boats and kayaks positioned along the route. Three floating refreshment stations, located every 2.5 km, will provide swimmers with water, nutrition, and the opportunity to refuel before continuing their crossing in the best possible conditions.
Participants must be at least 18 years of age, be confident swimming in open water, and have the appropriate level of training and preparation for the distance they have chosen.

Please fill in the Disclaimer & bring it with you on the day of the swim.
10km Solo Swim - 1st 3 Men & Women
10km Solo Swim Palmes & Tuba - Scratch 1st 3
10km Swim Team of 2 - Scratch 1st 3 teams
10km Swim Team of 4 - Scratch 1st 3 teams
Thank you for registering for our first edition! Here is everything you need to know.
RACE DAY SCHEDULE
SHUTTLE / BUS
The bus will take swimmers from La Preneuse to the start at Le Morne.
Departure is at 5:20 am sharp. The bus will not wait for anyone.
No cars will be allowed to enter the race start site at Le Morne. All swimmers must take the organised bus transfer.
No bags or personal belongings may be left on the bus. Please arrange this before boarding.
CATEGORIES
SPECIAL INSTRUCTIONS — RELAY TEAMS
The first swimmer in each team starts at Le Morne. Our team will take the remaining swimmers by boat to their designated relay points:
Each relay team shares one timing chip. The swimmer in the water must wear it securely around their ankle.
At every changeover, pass both the timing chip and the numbered pink swim cap to the next swimmer. Both must be securely in place before the next swimmer sets off.
TIMING & SWIMMER IDENTIFICATION
SAFETY & RESPECT FOR NATURE
Attendance at the race briefing is mandatory. Please follow all instructions from the organisers, safety boats and kayak crews.
The cut-off at the 7.5 km refreshment station is 11:00 am. Swimmers who have not cleared this point by the cut-off must stop and follow the safety team’s instructions.
Do not stand on, touch or damage coral. Respect marine life and never leave or throw litter in the sea or on the shore.
Any swimmer damaging coral, disturbing marine life, littering or otherwise disrespecting the natural environment will be immediately disqualified and removed from the water.
T-SHIRTS
Already purchased your event T-shirt? Collect it after your race, when you arrive at La Preneuse.
T-shirts will also be available to purchase on site.
DISCLAIMER
Please download, complete and sign the disclaimer, and bring it with you for check-in on race morning.
RESULTS
Scan the results QR code to access live results.
The La Grande Traversée de l’Ouest and SportEvents teams look forward to seeing you on the start line!
LA GRANDE TRAVERSÉE — PRÉCISIONS POUR DIMANCHE 🏊♀️
Vous êtes nombreux à nous poser des questions sur l’organisation ! Nous n’avons
peut-être pas été assez clairs sur certains points, alors voici quelques
compléments d’information 😊
🛟 Équipement
Les bouées de natation et les combinaisons néoprène (wetsuits) sont autorisées.
🎒 Affaires personnelles
Vous pourrez nous laisser vos affaires au départ, mais merci de les réduire au
strict minimum, dans un petit sac fermé et identifié à votre nom. N’y laissez
aucun objet de valeur.
Elles seront ramenées en 4×4 à La Preneuse.
🍌 Ravitaillements
Vous trouverez des bananes, de la boisson électrolytique Tailwind et de l’eau.
📝 Waiver obligatoire
La décharge doit être imprimée, signée et remise à l’organisation avant le
départ.
⚠️ Sans ce document, vous ne pourrez pas prendre le départ.
🌴 Accès au Paradis Beachcomber
Nous avons l’autorisation de traverser l’hôtel pour rejoindre le départ. Nous
comptons sur vous pour respecter les lieux : ne rien abîmer et ne laisser aucune
affaire ni aucun déchet sur place.
Il sera très tôt et les clients dormiront encore : merci de rester calmes et
silencieux dès votre arrivée à l’hôtel 🤫
🚌 Accompagnants
Aucun accompagnant ne pourra accéder au départ par l’hôtel, ni en voiture ni
dans notre bus.
🚤 Vos supporters sur l’eau
Vos plus grands fans peuvent vous encourager en bateau, au départ et tout au
long du parcours ! Si vous avez un bateau ou des amis qui en ont un, ils sont
les bienvenus 💗
Merci de garder une distance de sécurité avec les nageurs, de ne pas gêner les
kayaks et bateaux de sécurité et de suivre les consignes de l’organisation.
Merci à tous pour votre coopération. On a hâte de vous retrouver dimanche pour
cette première édition ! 🌊💗
LA GRANDE TRAVERSÉE — A FEW CLARIFICATIONS FOR SUNDAY 🏊♀️
We’ve received lots of questions about race-day arrangements! We may not have
been clear enough on a few points, so here’s some extra information 😊
🛟 Equipment
Swim buoys and wetsuits are allowed.
🎒 Personal belongings
You may leave your belongings with us at the start, but please keep them to the
strict minimum, in a small, securely closed bag labelled with your name. Please
do not leave any valuables inside.
Your belongings will be transported back to La Preneuse by 4×4.
🍌 Refreshment stations
Bananas, Tailwind electrolyte drink and water will be available.
📝 Mandatory waiver
Your waiver must be printed, signed and handed to the organising team before the
start.
⚠️ Without this document, you will not be allowed to start the race.
🌴 Access through Paradis Beachcomber
We have permission to pass through the hotel to reach the start. We’re counting
on everyone to respect the property: please do not damage anything or leave any
belongings or rubbish behind.
It will be very early and hotel guests will still be sleeping, so please remain
calm and quiet from the moment you arrive at the hotel 🤫
🚌 Supporters
No supporters may access the start through the hotel, whether by car or on our
bus.
🚤 Cheering from the water
Your biggest fans are welcome to cheer you on by boat, at the start and along
the course! If you or your friends have a boat, they’re welcome to join the
support crew 💗
Please keep a safe distance from swimmers, stay clear of the safety kayaks and
boats, and follow the organising team’s instructions.
Thank you all for your cooperation. We can’t wait to see you on Sunday for this
first edition! 🌊💗
Dry Fit from FAST