Alta Badia, Dolomites, Italy · Traditionally held on the first Sunday of July
Training for Maratona dles Dolomites
The Maratona dles Dolomites is the most famous gran fondo in Italy, riding closed roads over the great Dolomite passes around the Sella massif. Demand massively exceeds places, so entry is by lottery. Check the official site for registration windows and current routes.
Routes (approximate, recent editions)
- Maratona — about 138 km and 4,200 m of climbing
- Middle — about 106 km and 3,100 m
- Sellaronda — about 55 km and 1,800 m
Key climbs
- Passo Giau — 9.9 km at 9.2%
- Passo Pordoi
- Passo Sella
- Passo Gardena
- Passo Campolongo
What it demands
Seven passes with barely a flat metre between them. The decisive moment is the Passo Giau on the long route: nearly 10 km at over 9% after 100 km of racing. Climbing economy and realistic pacing matter more than peak power.
Could you handle Passo Giau?
The signature climb of Maratona dles Dolomites. Enter your power and weight — a physics engine estimates your time on the gradient profile.
Predict your
performance.
See how power and weight affect your time on a real climb.
*Demo simulation uses standard road bike physics (CdA 0.32, Crr 0.004). for custom bike types, surface analysis, and detailed splits.
FAQ
How hard is Maratona dles Dolomites?
Seven passes with barely a flat metre between them. The decisive moment is the Passo Giau on the long route: nearly 10 km at over 9% after 100 km of racing. Climbing economy and realistic pacing matter more than peak power.
What are the key climbs of Maratona dles Dolomites?
Passo Giau, Passo Pordoi, Passo Sella, Passo Gardena, Passo Campolongo. Routes can vary by edition — always check the official event site for the current course.
How should I train for Maratona dles Dolomites?
Work backwards from the event date: build aerobic endurance first, then add sustained climbing intensity (threshold and sweet spot), and practise fuelling on long rides. TrainCraft builds a structured plan around your event date and adapts it when you miss sessions, using fatigue science (CTL/ATL/TSB).
Build your Maratona dles Dolomites plan
Tell TrainCraft your event date, FTP and available hours — it builds a structured plan and adapts it when life gets in the way. Free to start.
Start Training FreeTrainCraft is not affiliated with Maratona dles Dolomites. Route figures are approximate and based on recent editions — always check the official event website for current dates, routes and entry details.
Got an event on the calendar?
A date on the calendar is the best training motivation there is. TrainCraft builds a structured plan around your event and adapts it when life gets in the way. Free to start.