The Bike at Calella-Barcelona: Fast, Yes, but No Pool Table

The course in a nutshell

180.2 km over two laps along the coast, from Calella toward Badalona and back. Official elevation gain 750 m; the course page lists 774 m. The organizers bill it as 'optimized for speed': almost entirely flat, with two climbs around 5% per lap. That's why this early-October race is one of the most popular in Europe for anyone chasing a personal best.

But watch the real numbers: plenty of athletes record over 1,000 m of elevation gain on GPS. The difference isn't the climbs—it's the false flats and the gentle rolling terrain along the coast. It's no pool table. It's a fast course that punishes anyone who thinks they can hold the same speed everywhere.

What it really demands

Three things, in order of importance:

• Hours in the aero position. Few surges, few rhythm-breaking turns: here you gain or lose time by staying aero for 4:30-6:30. If you can't hold 3 straight hours on the aerobars in training, you've got a bigger problem than any equipment choice.
• Steady watts. The course rewards discipline: target power, nothing else. On the two 5% climbs, resist the urge to push: they're short, and the time you 'gain' you'll pay back on the marathon.
• Reading the false flats. Where the road tilts up 1-2%, your speed drops and instinct says to force it. Don't. Hold your watts, accept whatever speed comes.

How to prepare

The course is available on ROUVY: use it. Memorize where the two climbs are, where you turn back toward Calella, where the course flows. Showing up on race day knowing where to push and where to recover is worth more than any equipment upgrade.

In training, do long blocks at race intensity in the aero position, with minimal interruptions: it's the most faithful simulation of this leg. Work on fueling in position too: here you eat and drink while pedaling, not climbing at 15 km/h.

Pacing by goal

Ballpark estimates, not official data: for a relaxed finisher, the leg takes about 6:45; for a sub-12, about 5:50; for a sub-10:30, about 5:05; a top age-grouper going sub-9:30 rides around 4:40. If your 'dream' bike split requires watts you've never held for that duration in training, you're planning a walked marathon.

Weather and wind

Mornings around 16°C at the start, highs up to 25-27°C. You'll start the bike in cool air: consider arm warmers or a light vest you can shed, especially if you exit the water into lingering shade. On coastal wind, the sources consulted offer no systematic data: still, keep in mind that a two-lap coastal course can expose you to headwind and tailwind sections, and that steady watts remain the right strategy either way.

One detail that has ruined races

A 2024 race report flagged loose cockpit bolts after reassembling the bike on site. On a course where you're resting on the aerobars for hours, that's a serious risk. Have a mechanic check your torque (or use your own torque wrench) before check-in, and do a full test ride in the aero position the day before.

Decision to make now

Pick your number: the watts (or pace) you'll hold for the entire leg, validated in training on long aero rides. Write it down. During the race, when euphoric packs blow past you at km 30, that number is the only thing that matters.