
Ötztaler Radmarathon
A 223.5 km alpine loop through Tyrol that stacks four legendary passes and 5,388 m of climbing into one unforgettable day.
- Distance
- 223.5km
- Climbing
- 5,388m
- Surface
- Asphalt
- Shape
- Loop
The route
Elevation profile
Overview
The Ötztaler Radmarathon is one of the most revered one-day rides in the Alps, a 223.5-kilometre loop through Tyrol that begins and ends in the same place. Its reputation rests on a single, staggering number: 5,388 metres of total climbing packed into a single circuit. There are no flat kilometres to hide in and no gentle warm-up — the route is a relentless sequence of mountain passes, and finishing it is as much a test of pacing and patience as of raw power. For many cyclists, completing the loop is a lifetime ambition, a rite of passage that marks them as a true climber.
The Route
Because the course is a loop, riders return to their starting point having crossed several of the region's marquee alpine passes along the way. The 223.5-kilometre distance is deceptive: with 5,388 metres of vertical gain, the ride is essentially a chain of climbs linked by fast, technical descents. Each summit brings a change of valley, a change of view, and another long ascent waiting on the far side. The rhythm of the day is defined by these transitions — grind to the top, plunge down the other side, and immediately begin climbing again. Managing effort across the full loop is the central challenge, as the hardest climbing often lies deep into the route when fatigue is already setting in.
Key Climbs
The route strings together four celebrated passes. The Kühtai Saddle sets an early tone with a long, high-altitude ascent that rewards a conservative start. The Brenner Pass, the historic gateway between Austria and Italy, offers a comparatively steadier gradient and a chance to settle into a rhythm. The Jaufenpass then rises through a series of switchbacks, a proper mountain test that thins the field. Finally comes the Timmelsjoch, the queen of the route — a soaring, exposed climb that crowns the day at high altitude and delivers the decisive challenge before the return. Together these four passes account for the bulk of the 5,388 metres of climbing and give the ride its formidable identity.
Terrain & Surface
The entire loop is ridden on asphalt, which keeps the focus squarely on the climbing rather than on surface hazards. Smooth tarmac makes the long ascents predictable and the fast descents genuinely rapid, rewarding confident bike handling on the switchbacks that link one pass to the next. Riders should still respect the alpine terrain: the sealed roads carry them through a wide range of altitudes, and the descents demand attention and good braking discipline. A standard road bike suits the route well, though gearing choices matter enormously given the sheer volume of vertical metres.
When to Ride
High alpine passes are seasonal by nature, and the route is best tackled in the warmer months when the roads over the summits are reliably clear and open. Conditions at altitude can shift quickly — what feels warm in the valley can turn cold and windy on the exposed upper slopes of the Timmelsjoch — so layering for a wide temperature range is essential. Long summer daylight also gives riders the hours they need to complete a loop of this magnitude at a sustainable pace.
Logistics
The loop format is a logistical gift: because the ride starts and finishes in the same place, planning is straightforward and there is no need to arrange transport between distant start and end points. Riders can base themselves at the start, leave a vehicle, and return to it at the end of the day. Given the 223.5-kilometre distance and the demands of 5,388 metres of climbing, careful preparation around nutrition, hydration and spare gear is well worth the effort.
Summary
The Ötztaler Radmarathon distils the grandeur of Tyrol's mountains into a single 223.5-kilometre asphalt loop. With 5,388 metres of climbing and four storied passes — Kühtai Saddle, Brenner Pass, Jaufenpass and Timmelsjoch — it stands as a benchmark ride for anyone drawn to the high Alps and the deep satisfaction of a hard day well earned.
Climbs on this route
Brenner Pass
Cat 4A Cat 4 Alpine crossing with an average gradient of just 3.41% but a punchy 14.77% maximum — Brenner Pass rewards smooth pacing over raw power.
Jaufenpass
Cat 1A 16.9 km category-1 grind climbing 954 m at 5.63% average, with a savage 26.88% pitch waiting to shatter your legs.
Schlüsseljoch
HCAt 14.8 km with a 7.56% average gradient, a 1,119 m net elevation gain, and a savage 30.49% maximum pitch, Schlüsseljoch earns its HC rating the hard way.
Sandjöchl
HCA 14.7 km hors-catégorie climb in Italy averaging 7.44%, with 786 m of hidden extra ascent from undulation that reshapes how you pace it.
Niederl
Cat 2A 6.1 km Category 2 climb in Austria with a 7.03% average that hides steep ramps and 195 m of hidden extra ascent.
Portjoch
HC11.7 km at a brutal 10.77% average, ramping to 25.41% and climbing from 785 m to 2043 m — a full HC test.
Schrimmennieder
Cat 1A 9.4 km Category 1 Austrian climb averaging 8.67% with 381 m of hidden re-climbing on top of its 815 m net gain.
Atterkarjöchl
Cat 1A 6.7 km Category 1 climb in Austria with 570 m of net gain and 874 m of total ascent — the undulation makes it harder than the average suggests.
Jaufenpass - Passo di Monte Giovo
HC23 km at 7.08% average, ramping to 25.61%, climbing 1626 m from 481 m to a 2107 m summit — a true HC test.
Ochsenscharte
HC9.2 km at a punishing 10.81% average, ramping to 20.73%, climbing 998 m to a 1944 m summit — pure hors catégorie suffering.
Platschjoch
HC14.2 km at a brutal 10.02% average, ramping to 26.19%, hauling you from 672 m to 2099 m of thin Alpine air.
Kaindlscharte
HC20.8 km at 7.43% with a savage 27.43% wall, climbing from 501 m to 2043 m — a genuine hors catégorie test.
Maurerscharte - Passo del Muro
HC13.5 km at a brutal 10.14% average, ramping to 26.74% and climbing 1365 m to a 2038 m summit — a full HC test.
Timmelsjoch / Passo del Rombo
Cat 117.9 km at 5.68% average, climbing from 1453 m to 2472 m — a 1019 m haul with pitches touching 13.91%.
Penser Joch
HCA 22.3 km HC monster averaging 6.59% with a savage 25.8% pitch, climbing from 727 m to 2198 m.
Holzleiten Saddle
Cat 3A 15.3 km category 3 grind averaging 3.26%, lifting you 498 m from 627 m to a 1125 m saddle.
Kühtai Saddle
HCA 27.7 km Category 1 climb in Austria with 1,393 m of net elevation gain, an average gradient of 5.02%, and a savage 28.6% maximum. Here's how to ride it.
Seefeld Saddle
Cat 1A Category 1 Austrian climb of 8.5 km and 596 m net gain, with 820 m of total ascent hiding steep ramps and false flats.