On Saturday June 20, 2026 at 07:00, somewhere between 10,000 and 13,000 cyclists will roll out from the sports hall in Sabiñánigo to take on the 35th edition of La Quebrantahuesos — the most prestigious amateur Gran Fondo in Spain and one of the great fixtures of the European amateur cycling calendar. 200 kilometres, 4 mountain passes and 3,500 metres of vertical gain through the heart of the Aragonese Pyrenees, with a brief crossing into France over the Col du Pourtalet. This isn't just any ride: since 1991, la Quebra has been where the Spanish road cyclist measures themselves against their own myth, where French, Italian, Belgian and British groups intersect, and where the Pedrera Awards reward those who collect editions like layers of varnish. This guide covers what the official site doesn't quite tell you: how the race breaks (spoiler — at the Pourtalet, kilometre 130), what to carry in the back pocket of your jersey, how to pace Yésero and Cotefablo so the Pourtalet doesn't swallow you whole, and why staying in Jaca might be a smarter idea than staying in Sabiñánigo.

La Quebrantahuesos is not a UCI race or a Vuelta stage. It's a Gran Fondo with individual chip-timing — competitive in spirit, but open to amateurs with a license. Since 1991, when a handful of fans from the PEDALA club in Sabiñánigo sketched the first 200 km route across the Aragonese Pyrenean passes, la Quebra has grown into the most attended amateur cycling event in Spain and one of the five great European Gran Fondos — alongside Italy's Maratona dles Dolomites, France's La Marmotte and L'Étape du Tour, and Austria's Ötztaler Radmarathon.

Is this ride for you?

La Quebrantahuesos is not a beginner event. The organiser assumes you arrive with:

• 2+ years on the road and at least 6,000 km in your legs in the previous 12 months.
• Long rides of 4–6 hours with 1,500–2,500 m of climbing done regularly in the previous 3 months.
• Ability to climb a long pass (45–60 minutes of continuous climbing) without blowing up.
• Moderate altitude tolerance — the Pourtalet is at 1,794 m. Not high mountain, but the air is thinner.
• Group skills — you'll start with hundreds of riders around you for the first 25 km. Knowing how to ride in a peloton is safety.
• Budget: between bib, 2 nights of accommodation, fuel/flights, food and weekend costs, plan €350–600 depending on origin.
• Mental stability: 7–9 hours on the bike, heat in the valley, cold at altitude, and a long Pourtalet descent on tired legs.

If you've been on the road for 6 months or your longest ride doesn't exceed 100 km, la Quebra isn't your event yet. The alternative this season: the Treparriscos (~85 km, same day, joint lottery) — an excellent first contact with the atmosphere without committing to 200 km.

The Quebrantahuesos course is a closed loop from Sabiñánigo that loops in and out of the Aragonese Pyrenees with a symbolic crossing into France at the Col du Pourtalet. Four passes, three long descents, an 18 km downhill final stretch back to the finish. The profile looks like a child's drawing of four mountains, each bigger than the last — because that's exactly what it is.

Mass start at 07:00 from the sports hall. The first 20 km are flat on a wide road to Biescas, peloton terrain, where it's very easy to leave your body in an absurd chase after the lead group. Here is la Quebra's first tactical mistake: spending your first match staying with the wrong group.

From km 22 the Yésero climb (1,400 m) starts. 13 km of irregular gradient — 5–7 % average, ramps of 9 % at the start. Take this first climb at 80 % of your threshold heart rate (low zone 3), no more. If your monitor beeps zone 4, brake. There are 175 km to go.

Technical descent of Yésero through Hoz de Jaca — wide turns but uneven asphalt, watch out for winter potholes. Pass through Biescas again (km 50, first real feed station with banana, water, isotonic) and immediately tackle the N-260 to the Cotefablo pass (1,425 m).

Cotefablo is the trap pass. 12 km of climbing, 4–6 % average, looks like the easiest of the four and that's why you get cocky. Fast groups attack here because the tunnel at km 73 marks the summit. If you cross km 80 with your legs averaging 130 bpm, you've blown it. Stay with groups 30 seconds slower. There are 120 km to go.

Long descent of Cotefablo toward Broto and Sarvisé — 30 km of technical descent or false flat. Here the group reforms and the wind in the Ara valley can be favourable or adverse depending on the year.

Long rolling section through the Ara and Marboré valleys to the start of the Col du Pourtalet (km 120, ~900 m altitude). It's the deceptive transition: looks flat but you've gained 200 m of cumulative climbing and the midday sun rises fast — at 12:00 you'll be at 22–28 °C in an exposed area with no shade.

And then the Col du Pourtalet begins.

The Pourtalet is where La Quebrantahuesos breaks. 25 km of positive gradient with two distinct profiles: the first 17 km are false flat and gentle 3–5 % ramps, easy to be deceived and push the pace. The final 8 km have ramps of 7–10 % and the altitude (summit at 1,794 m) starts to bite. If you arrive at km 145 with empty legs, the final 23 km are a cross. The data is clear: 60 % of la Quebra's DNFs happen between km 130 and the Pourtalet summit.

Pourtalet strategy:

1. Feed station km 120 (base of the pass): eat for real — sandwich, banana, double gel, two full bottles. Don't leave until you've drunk 500 ml.
2. First 17 km: strict zone 3. Don't follow whoever attacks. Cadence 80–90 rpm. Small chainring from kilometre one.
3. Final 8 km: switch chips — strength, not speed. Cadence 70 rpm if needed. Small intervals of 60 seconds seated / 30 standing to spread tension.
4. Pourtalet summit (km 168): real feed station with hot drinks if it's cold. Take 5 minutes. Eat. There are 32 km left, almost all downhill.

Pourtalet descent: 18 km of technical descent with tight turns in the first 5 km and then steady gradient down to Formigal and Sallent de Gállego. After the climb effort, your reflexes are 20 % below normal. This is no time to break your descent record. Progressive braking, keep the body low.

Repeat through Hoz de Jaca (km 188, this time downhill, easy) and the final 12 km flat to Sabiñánigo. Here the groups break apart for good and everyone finishes at their own pace. The finish arch is in front of the sports hall, where the cutoff closes at 17:00 (10 hours from the start). The organiser applies the cutoff with flexibility but don't get cocky.

La Quebrantahuesos was born in 1991 as a local PEDALA club ride from Sabiñánigo, with just 300 cyclists in its first edition. The name pays homage to the bearded vulture (Gypaetus barbatus), the bone-eating Pyrenean raptor that soars over the Aragonese valleys and is one of the emblems of the local fauna.

In three decades the event has grown from a provincial ride into a European phenomenon. The turning points:

• 1995 — First edition with more than 1,000 entrants.
• 2002 — The bib lottery is introduced due to excess demand.
• 2008 — Over 8,000 bibs, and the Treparriscos is born as a sister Gran Fondo.
• 2014 — Manuel Beltrán's historic record (~5h 32min).
• 2019 — First edition with ~12,000 combined cyclists.
• 2020–2021 — Cancellations / reduced format due to pandemic.
• 2022 — Full recovery. The Pedrera Award is introduced for finishers of 10, 20 and 25 editions.
• 2026 — 35th edition.

The Pedrera Awards are a tradition: a special golden jersey for those accumulating 25 editions, silver for 20, bronze for 10. There are founding members already pushing 30 consecutive editions, greeted by the organisation as guests of honour every June.

With ~30,000 applications for ~10,000 Quebra bibs, the probability per lottery is 30–40 %. Legal tricks to raise odds:

• Double registration Quebra + Treparriscos: secures you a start no matter what.
• Accumulated Pedrera Award: 10+ edition finishers get a reserved spot.
• Annual Quebrantahuesos Club membership: preferential access.
• Team registration (minimum 4 cyclists from the same club): bonus that improves the lottery.
• Charity bib: some editions enable charity bibs for Aragonese foundations.

Sabiñánigo is in the Alto Gállego, 50 km from the French border. Not difficult to reach but requires planning:

Tips:

• Bring your own bike. Rentals in Sabiñánigo are limited and almost all are MTB. You need a road bike with low gears (cassette 11-32 minimum).
• Soft case vs hard case: save weight if you fly — most cyclo-bagages accept both formats but a hard case weighs 11–13 kg empty.
• Book hotel and car 4–6 months in advance. Once your bib is confirmed, central Sabiñánigo hotels disappear fast.

The obvious option: you get off the bike at the finish and walk to the hotel. But there are few central hotels and they fill 6 months out:

• Hotel La Pardina (3)* — 5 minutes walking from the sports hall. Closed bike garage.
• Hotel Mi Casa (3)* — Family-run, with early breakfast (5:30 available the day before).
• Casa Estremera (3)* — Small boutique, local charm, book very early.
• Hostal Ainsa (3)* — Cheaper, no garage but safe area.

Catch: prices double or triple race weekend. A double room that costs €70 in May costs €180–220 that weekend. Book with free cancellation until the bib is confirmed.

Jaca is prettier, has more hotel choice, better restaurants and is usually 30–40 % cheaper for the same category. It's our recommendation if you want to eat/dine well and sleep peacefully.

• Hotel Real Jaca (4)* — Best 4* option. Big garage and breakfast from 06:00.
• Hotel Conde Aznar (3)* — Central, restaurant of repute (the night before you want a serious pasta party).
• Hotel Jaca (3)* — Functional, good value.

Catch: you must leave Jaca at 06:15 to reach Sabiñánigo in time to park and open the corral. Plan B: leave the car in Sabiñánigo on Friday after packet pickup and return by taxi (~€20).

Only if you'll do course reconnaissance in the days before. You're in the middle of the Pourtalet climb and can roll the passes at dawn.

• Hotel AC Almudaina (4)* — The best base if you want to train passes before the ride.
• Hotel Sallent (3)* — Cheap and well connected to the high routes.

Catch: on race day you leave Formigal at 05:30 toward Sabiñánigo. Double early start.

The weather on June 20 in Sabiñánigo and the Pourtalet summit is fairly predictable but has nuances that decide races:

Risks:

• Afternoon storms: 1 in 5 editions records showers on the Pourtalet descent. Carry an ultralight packable rain jacket in the back pocket.
• Strong sun on Pourtalet summit: UV index 8–9 at that altitude and latitude. SPF 50 sunscreen on face, neck and arms before you start (you'll reapply at the km 80 feed station).
• Residual snow in shaded zones: in cold years there's snow on the north face of the Pourtalet until late June. Doesn't affect the road but it does affect perceived temperature.
• Marboré valley wind: between Cotefablo and Pourtalet you can get gusty winds (30–40 km/h in dry years). Stay in the peloton.

Check the forecast 48–72 hours before at aemet.es or meteo-pyrenees.com.

La Quebrantahuesos isn't improvised. To reach the start with confidence you need at least 24 weeks (6 months) of specific preparation, assuming you start with a base of 3,000–4,000 km/year and have done at least one 100 km Gran Fondo in the previous 12 months.

General block distribution:

• Progressive volume: 6–10 hours/week rising 10 % every 3 weeks.
• 3–4 rides/week: 1 long (3–4 h), 1 quality (zone 3 intervals), 2 zone 2 endurance.
• One long ride per week ending the block at 4–5 hours with 1,500 m of climbing.
• Strength training in the gym 2x/week (squat, deadlift, core).

• Volume: 9–14 hours/week.
• Long climb intervals: 2–3 reps of 20–30 minutes climbing in zone 3-4.
• Long rides with real climbing: 5–6 hours with 2,000–2,500 m positive. Find passes of 1h+.
• Gym strength reduced to 1x/week, maintenance.
• Eating on the bike trains like cadence trains: 80g of carbs per hour on long rides.

• Top ride: 6–7 hours with 3,000 m of climbing at a pace similar to the Quebra target. Ideally in the Pyrenees, Sierra de Madrid or Sierra Nevada.
• Gran Fondo of 130–150 km as a tune-up in week 18 or 19 (Mallorca 312 short, Marcha BTT, Burgos cyclo, etc.).
• Heat acclimation: 2–3 sessions at controlled temperature on indoor trainer (28–30 °C in room).
• Optional Pourtalet recon in week 20 or 21 if you live close.

• Cut volume 30 % each week while keeping intensity.
• Last long ride: 4 hours in zone 2 the Sunday of week 23.
• Race week: short rides (60–90 min) with some short intervals to maintain tone. Day off Friday.
• Watch nutrition: carb load the 2–3 days before. Don't experiment with anything new.

• If you enter the lottery in February: you're already in block 2 when you confirm a place. Adapt the plan retroactively.
• If your goal is sub-7 hours: you need to have done at least one 5h ride at >250 W normalised power (assuming 70 kg).
• If your goal is just to finish: prioritise volume over intensity. Endurance is what fails after km 130.

• sub-5h (elite — 3 % of the field): climb Yésero at 5 W/kg sustained, you don't respond to attacks before Pourtalet, perfect feed-station management.
• sub-6h (22 %): experienced amateur racing pace. Pourtalet at 4.2 W/kg, holding the leading-middle group. Km 80 feed station very short (1 minute).
• sub-7h (32 % — the most populated band): realistic target for the cyclist with 6,000–8,000 km/year. Pourtalet at 3.8 W/kg, eat at the summit. Km 130 nutritional window critical.
• sub-8h (25 %): well-prepared first Quebra or veteran of defensive management. Save matches on Cotefablo and eat aggressively before Pourtalet.
• sub-9h (12 %): endurance over power. Maintain cadence 70 rpm on any ramp, priority is finishing.
• finish (6 %): the cutoff is 10h. Long feed stops, no mental pauses, defensive descent pace.

The most common mental error of the amateur in la Quebrantahuesos is drawing the plan as if it were 4 independent 50 km races. They aren't. La Quebra is a single race with one key decision: how much energy you spend before the Pourtalet vs. how much you save for the Pourtalet.

Your personalised plan should answer 4 questions:

1. What's your sustained W/kg in an hour of climbing? Calculate with a 60-minute pass test all-out at least 4 weeks before.
2. How many grams of carbs per hour can you tolerate? 60–80g if you've never trained nutrition; 90–110g if you've been training it for 6 months.
3. Are you a better climber or descender? If you descend poorly, don't compete on descents — you lose 2 minutes but gain 5 by not having to recover from a scare.
4. Are you riding solo or with a group? If you're with a group of 4–6 friends of the same level, managing the first 120 km is 30 % easier.

Mental template for the start:

"Yésero at 75 % of my threshold. Cotefablo at 80 %. Flat to Pourtalet without burning matches. Pourtalet at 85 % in the first 17 km, at 90 % in the final 8. Conservative descent. Final flat at the pace of whatever group I'm in."

• 10:00–13:00 Bib pickup at the sports hall. Bring ID, RFEC license and bike (brake and helmet check).
• 13:30 Light pasta party. Avoid seafood, fried food and alcohol.
• 15:00–17:00 Hotel rest. Feet up.
• 17:00–18:00 Light 30-minute spin to activate legs and check the small-ring shifting.
• 19:00 Early dinner: pasta or rice with tomato and white protein (chicken or turkey). 1 banana for dessert.
• 20:30 Prep: bib, chip, two filled bottles in fridge, kit ready, 4 gels + 2 bars + electrolyte tube in jersey.
• 22:00 To bed. Set two alarms.

Quebra nutrition is probably more decisive than the last month of training. A 7-hour zone-3 ride burns between 4,500 and 5,500 calories depending on weight. You won't replace it all (physically impossible), but the goal is stable blood sugar without crossing into digestive collapse.

The 48 hours before:

• Carb loading: 7–10g/kg/day.
• Constant hydration: 35–40 ml/kg/day. Add 500 ml of electrolyte drink.
• Avoid: seafood, fried food, alcohol, exotic food.

Race day breakfast (3h before start):

• 80–100g oats with honey + 1 banana + 1 egg + coffee (if you tolerate it).
• 500 ml water + isotonic.
• 1 gel 15 minutes before the start.

During the race — target 80g carbs/hour:

Quebra official feed stations:

• Biescas (km 50)
• Broto (km 90)
• Pourtalet base (km 120) — the most complete
• Pourtalet summit (km 168)
• Hoz de Jaca (km 188)

They serve: water, isotonic, banana, watermelon, orange, sandwich (some), bars, Coca-Cola, nuts.

Hydration: target 600–800 ml/hour in standard conditions (22–28 °C). If hotter, raise to 1 L/h. Salts (electrolytes) every 60–90 minutes in capsule or fizz tube.

Common mistakes:

• Starting to eat at km 50. Wrong — blood sugar is already dropping. Start eating at km 25.
• Only gels, no solid. Wrong — by km 120 the stomach won't accept more liquid sugar. Alternate solid/liquid.
• Too much coffee at the start. Wrong — diuretic and accelerates gastric emptying. Maximum 1 espresso.

• Road bike with brakes in good condition (disc or rim, both valid).
• Certified helmet (no-go without it).
• 2 large bottles (750 ml minimum each).
• Bib on handlebar front + chip on fork.
• RFEC license (annual or day).

Bike:

• Cassette 11-32 or 11-34 (don't play around with an 11-28 on the Pourtalet).
• Big bottles with secure cage (not the small 500 ml ones).
• Brakes with new or near-new pads — the Pourtalet descent punishes them.
• Tubeless tyres with sealant or new tubes. Carry 1 spare tube + CO2 inflator + patches.

Clothing:

• Short-sleeve jersey + long bib shorts.
• Arm warmers (on at 07:00, off at 09:30).
• Packable wind jacket in back pocket (for descents and rain).
• Mid-height cycling socks (not ankle — they protect from sun).
• Short gloves.
• Glasses with interchangeable lenses (clear for start + dark for midday).

Jersey back pocket:

• 4–6 gels
• 2 energy bars
• Electrolyte tube
• Spare tube + 2 tyre levers + inflator
• Phone (for emergencies)
• ID and credit card in waterproof bag
• Mini SPF 50 sunscreen

Electronics:

• Garmin/Wahoo/Hammerhead GPS with the Quebra track preloaded.
• Heart-rate monitor.
• Powermeter (if you train with power).
• Mandatory tail light if the org requires it that year (check the regulation).

Post-finish:

• Change bag at gear check (dry shirt, sandals, rain jacket, phone charger).
• Recovery clothes (compression socks optional).

1. Can I ride la Quebrantahuesos without ever having done a Gran Fondo? Not recommended. La Quebra requires at least one 100–130 km Gran Fondo in the previous 12 months to safely manage the 7+ hours on the bike. If it's your first long event, choose la Treparriscos.

2. Is the RFEC or equivalent license mandatory? Yes. You need an annual license from the Spanish Cycling Federation (RFEC) or, if not federated, the day license which the organisation arranges at registration (~€5–10).

3. What if I don't get into the lottery? You have 3 alternatives: (1) sign up for la Treparriscos (~85 km, same day); (2) try again next year as a rollover (some editions enable it); (3) seek a bib via club allocation or accumulated Pedrera Award.

4. What's the cutoff time? 10 hours from the start — i.e. up to 17:00 official. The organiser applies it flexibly, but after 17:00 feed stations close and official timing ends.

5. Are there women's groups / women's categories? Yes. La Quebra has age and sex categories. Female participation has grown from 4 % in 2010 to 8 % today. The organisation has a dedicated registration desk and feed stations with products designed for all riders.

6. Can I switch from Quebrantahuesos to Treparriscos if I get injured before? Yes, up to 15 days before the event the organisation allows category changes at no cost. After that, it depends on availability and reason (typically flexible with medical certificate).

7. Is there an expo zone or pasta party like at other major Gran Fondos? Yes. The sports hall hosts the expo on Friday and Saturday with bike, kit, nutrition brands and the Friday-night pasta party (light dinner included with some registrations).

8. What if I can't tolerate altitude / feel ill on the Pourtalet? The organiser has 2 medical motorbikes, 2 ambulances and 4 broom wagons on course. If you feel ill, stop at any point and volunteers pass every 15–20 minutes. Don't hesitate to abandon if you have dizziness, vomiting or chest pain — la Quebra returns next year; your health doesn't.

When to choose la Quebra? If you want a great European Gran Fondo without the French/Italian language barrier, with feed stations designed for the Spanish cyclist and a more reasonable total cost. La Quebra is the best toughness-experience-price ratio of the European amateur calendar.

When to choose alternatives? If you seek more altitude and climbing (Marmotte or Ötztaler), if Dolomite heat appeals (Maratona), or if you want to ride the same asphalt as the Tour days before (Étape).

• Official site: quebrantahuesos.com
• RFEC regulations: rfec.com
• Aragón weather: aemet.es
• Wikipedia "Quebrantahuesos": en.wikipedia.org/wiki/Quebrantahuesos_Gran_Fondo
• Pyrenean climatology: meteo-pyrenees.com

• Official event page on SportPlan
• Other Gran Fondos in Spain
• Calendar of Gran Fondos in Europe 2026
• Heart rate zones calculator
• VO2max estimate calculator

Last updated: 2026-05-08. If you spot an error or have data from the 2026 edition, drop us a line at [email protected].