Race certified by Finishers: event approved by the organizer

La Stride of the Monts d'Ain 2026

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Photo credits: Wikimedia Commons
TrailWalking
🎃 Halloween🏞 Nature⛰ Mountain👶 Kids & juniors courses🤝 Relay
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The event in a few words

"First I was afraid, I was petrified"

Swap your trail shoes for cleats, because you'll need them to climb! 🧗 Get ready to fire up those thighs too!

Welcome to La Foulée des Monts d’Ain, THE trail-running rendezvous in Port, a small village wedged between mountains 🏔️, lakesand forests 🌳 in the heart of the Ain in Auvergne-Rhône-Alpes. Between the rugged terrain of the nearby Jura Mountains and the lush valleys, your calves will quickly understand why the region is called the “Monts d’Ain”! And if we're talking history, this corner has always been a land of resistance and grit—and believe me, grit is exactly what you'll need to make it to the end of your bib! 🔥

But enough talk—let's talk trail running: the race environment is pure bliss. From winding paths snaking through the undergrowth to mountain ridgelines that take your breath away 💨, the playground is simply perfect. The race unfolds in a unique atmosphere with an Halloween 🧙 theme. So don't panic—the monsters won't devour you, unless you don't give it everything to finish this race, out of breath… but with a smile! 😃

As for the routes, the menu is complete and fits every pair of legs! 🦵 Want to get your thighs burning on an accessible course? The 11 km is perfect for people looking for a challenge or who want to discover trail running. Looking for a tough intermediate? The 23 km is there to give you a great time… or not, on ultra-varied trails 🏞️. For fans of big D+ 📈, step it up with the 43 km. You'll find a demanding route to tackle solo or share as a duo thanks to the 2-person relay format 🤝! And if you live for adventure, it's time for the flagship event: a 77 km course that takes you deep into the mountains. Afraid of doing all 77 kilometers alone in the night? 🌙 No excuse: grab your buddies and take it on as a 3-person relay to split up the effort and share the grind!

Once the journey is over and your 🥇 medal is proudly hanging around your neck, it's time for comfort! The Ain is also home to a top-tier culinary heritage 🧑‍🍳. It's the perfect moment to take back everything you lost during the race. A good pike quenelle with Nantua sauce, a piece of aged Comté 🧀, and why not a little Bresse tart to round off the party.

In short, whether you're here to chase D+ or simply enjoy a weekend in the great outdoors, La Foulée des Monts d’Ain is going to be a treat! 😋 Put on your best trail outfit, grab your headlamp, and get ready to run into a few ghosts 👻. The Halloween atmosphere awaits you on the 8 km night hike, where you'll find mysterious entertainment. We can also do a big scavenger hunt in Port's undergrowth.

So put on your most monstrous costume and come live an autumn adventure as spine-tingling as it is unforgettable in the heart of the Monts d’Ain! 🎃

4 reasons to join this race

Untamed nature 🌳
That's the number one reason! Authentic routes as close as possible to the wild terrain of the Ain. Between the undergrowth in autumn colors 🍂, the trails winding through the vegetation, and breathtaking panoramas, it's the ideal playground for all lovers of the outdoors, elevation gain, and real natural singletrack.
The spine-tingling Halloween vibe 💀
Running at the end of October means treating yourself to a totally unique, offbeat atmosphere! The village of Port dresses up for the occasion, blending sporting spirit with pumpkins 🎃: between the night hike, the decorations, and little surprises along the route. You'll have plenty to be amazed at every kilometer and motivated to brave the elements.
The sporty get-together for the whole family 🧑‍🧑‍🧒‍🧒
No need to look for childcare to go rack up miles with peace of mind! Thanks to a schedule designed for everyone, with routes suited to the youngest 👦 as well as juniors, the event turns the weekend into a true sports festival accessible to all ages and all practice levels.
An exotic and foodie post-run weekend 🤤
The adventure certainly doesn't stop once you've crossed the finish line 🏁 and have the medal around your neck. After the effort, you can extend the pleasure by resting quietly by Lake Coiselet, admiring the reflections of Lake Nantua, or recharging your batteries over a good pike quenelle with Nantua sauce on a terrace in Oyonnax.

A word from the organizer:

"An event for young and old—and for spectators too, because there will be a giant Morbiflette in the start-village"

A distance for every taste

77 km : Trail 77 km

TrailThe most popular
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Trail🎃 Halloween🏞 Nature⛰ Mountain
  • Saturday, October 31, 2026 at 9:00 AM
  • Elevation gain : 2400mD+
  • 77 km

A few more words

The Holy Grail of La Foulée des Monts d’Ain! A total immersion deep in the mountains 🏔️. This event is reserved for those who love long distances, when night falls and every kilometer gets harder and harder. Between technicality and mental management, this route will push you to your limits. And if the adventure appeals to you but the distance gives you Halloween-level chills 🎃, bring two buddies along and break down this challenge with the 3-person relay: thrills and memories guaranteed for the crew!

GPX
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Frequently asked questions (FAQ)

You can pick up your bib at the Port community hall upon presentation of an ID and the bib pick-up card:

  • Friday, October 30, 2026 from 2:00 pm until 11:00 pm.

  • Saturday, October 31 up to 2 hours before your race start.

All race starts will be given in Port

Participants must send, before Thursday, October 29, 2026, either their valid license or their PPS (Health Prevention Course).

Here are the age limits by race:

  • 77 km and relay: reserved for participants aged 20 and over, i.e., born in 2006 or earlier.

  • 43 km and relay: reserved for participants aged 20 and over, i.e., born in 2006 or earlier.

  • 23 km: reserved for participants aged 20 and over, i.e., born in 2006 or earlier.

  • 11 km: reserved for participants aged 16 and over, i.e., born in 2010 or earlier.

  • 8 km, Halloween Hike: The hike is open to all ages.

For the 77 KM timed race:

  • Standard rate €77

  • Late rate €96 (from September 15 or once the first 500 bibs are sold out)

For the 77 KM timed relay:

  • Standard rate €99 for 3

  • Late rate €120 for 3 (from September 15 or once the first 500 bibs are sold out)

For the 43 KM timed race:

  • Standard rate €44

  • Late rate €57 (from September 15 or once the first 500 bibs are sold out)

For the 43 KM timed relay:

  • Standard rate €60 for 2

  • Late rate – €75 for 2 (from September 15 or once the first 500 bibs are sold out)

For the 23 KM timed race:

  • Standard rate €25

  • Late rate €37 (from September 15 or once the first 500 bibs are sold out)

For the 11 KM timed race:

  • Standard rate €15

  • Late rate €18 (from September 15 or once the first 500 bibs are sold out)

For the 8 KM Halloween hike:

  • Standard rate €12

  • Late rate €16 (from January 1, 2026)

For the kids' race:

  • 1.5 km race: €3

  • 650 m race: €3

  • 300 m race: €3

No participant will be timed beyond the cut-off times, which will be published on the event website.

Aid stations are planned for each race:

  • For the 77 km Timed / Relay: 6 solid/liquid aid stations

  • For the 43 km Timed / Relay: 4 solid/liquid aid stations.

  • For the 28 km Timed: 2 solid/liquid aid stations.

  • For the 11 km Timed: 1 solid/liquid aid station at the finish

Yes, here it is:

  • Water reserve (minimum 500 ml)

  • Bring your own personal cup (no cups at aid stations)

  • Food reserve

  • Headlamp, charged and functional

  • Charged mobile phone

  • Whistle

  • Survival blanket

  • Waterproof windbreaker

  • Armband or reflective clothing

Your registration includes:

  • A welcome gift for all participants: Goodies pack + entry fee

  • Official timing (except for the Halloween hike)

  • A finisher medal at the finish

Participants will have the option to drop off a bag at the event start/finish area and collect it at the end of their race.

Focus

Foulée des Monts d'Ain
Foulée des Monts d'Ain
Foulée des Monts d'Ain
Foulée des Monts d'Ain
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