Day 2: The Shoe, The Slop, and The Crescendo.

If Day 1 was about immersing ourselves in the culture and the atmosphere of the base of the wall, Day 2 was the technical deep-dive. It was the moment the theoretical became physical. This was the day we got our hands, and more importantly, our feet -on the reason we were all here.

We woke up at the lodge in San Sebastian to a distinct quiet, a sharp contrast to the previous night's txotx revelry. The Basque mist was hanging low over the hills, promising the exact conditions ACG thrives in.

Breakfast was tactical, but the air was tight with anticipation. We had the opportunity to sit down and talk with some of the athletes, which can be read in other blog posts, but one of our favorite moments was getting the opportunity to speak to Gabriella Lasalle and Liam Mudrow, two star athletes within ACG. 

After this, we were given 20 minutes. Change. Gear up. No warm-ups. We were testing the shoe right now. Faster pace. 

We didn’t head to a flat park. We headed into the raw hills just outside San Sebastian. ACG doesn’t believe in laboratory testing; they believe in real-world consequence. Our objective: a 9.7KM test run that was just to check out first impressions. 

It was glorious chaos. As soon as we headed out, the rain came in. As if the weather knew that we had the task of exploring if ACG really does mean all conditions.  This is where the shoe needed to prove itself. 

The ACG Zegama gripped instantly. The aggressive traction pattern dug into the mud, providing lateral stability on the off-camber sections. But the real surprise was the energy return. When we hit the rare sections of hard-packed fire road, the ZoomX foam came alive, giving that responsive pop that allows you to maintain momentum.

We pushed hard on a steep, techy ascent, feeling the security of the midfoot lockdown. The descent was even faster, a trusting drop down slick rock and root-infested single track. We finished the 9.7K covered in mud, laughing, and incredibly impressed. The shoe had earned its name. 

We scraped the worst of the mud off, kept the new shoes on (a necessary break-in strategy), and hopped into transport. We were heading deeper into the mountains, leaving the relative civility of San Sebastian behind.

Lunch was hosted at another local Sidrería, but this one was different. It wasn't the large communal hall of Day 1; it was a more isolated.

If the first lunch was a greeting, this lunch was about community. We were deeper into the circle. More cider poured from the barrels, accompanying incredibly flavorful cod omelets and, of course, massive plates of roasted peppers and perfectly grilled steak. The conversation was less polite networking and more raw trail-talk, comparing notes on the shoe’s performance and sharing theories on how to survive the marathon.

We couldn't drive away from this Sidrería. Even if there was an offer to take the bus back, we, at Noirfonce imagined there were no roads leading out the back. So we imagined our next objective was a 14.6KM hike back towards the town of Zegama itself.

This hike was a critical part of the ACG mindset. After running hard and eating well, we needed to spend time in the environment, moving slower, absorbing the landscape. This wasn't a casual stroll. The route took us through ancient beech forests, where the light was filtered and green, and up onto exposed ridges where the wind whipped the mist around us.

The long, steady hike served a purpose. It grounded us. We were walking on parts of the course that would be teeming with life on race day, but now, they were silent, majestic, and intimidating. We were earning our respect for the terrain we would be cheering on tomorrow.

As the 14.6KM mark approached, the silence began to break. We dropped off the high ridge, descending a technical trail toward the valley floor. We could hear it before we saw it. The sound of bells, the low hum of thousands of voices.

We arrived in Zegama town.

If you have never been to Zegama the day before the marathon, you cannot understand it. It is not just a trail race; it is the center of the Basque cultural universe for one weekend. The ambiance was in a absolute crescendo.

The small mountain village, usually quiet, was a vibrant, chaotic organism. The streets were choked with people from all over Europe. Flags were hanging from every window. We saw the Joaldunak (the traditional Basque bell-ringers), their massive cowbells creating a rhythmic, almost hypnotic thud that resonated in the chest.

The ACG team presence was strong, but we were just one part of the ecosystem. The town square was a wash of activity, as volunteers set up the start/finish gantry and elite athletes (some of whom we’d eaten lunch with just hours ago) were walking around, looking relaxed but focused. The energy was palpable; it was a physical weight of excitement and impending effort. The town was ready to explode.

Reluctantly, we left the vibrating center of Zegama and headed back to our lodge in San Sebastian. The juxtaposition was striking. Going from the raw, noisy heart of the race prep to the quiet sophistication of the lodge.

Dinner was different tonight. It was quiet. Serious. The revelry was gone, replaced by focus. This was purely about fueling up for The BIG Day. The menu was high-carb, lean protein; focused energy rather than flavor. 

We checked our packs one last time. Final checks on the ACG Zegama shoes (we’d cleaned the worst of the mud off to let them dry, knowing they’d be soaked again within minutes tomorrow). Batteries charging. Hydration prepared.

The talking was over. The tests were done. The crescendo in the village had settled into a low hum. It was time for the main event. Tomorrow, we would find out why this race is legendary. Tomorrow, we would witness the madness. Tomorrow is Race Day.