The race sets off from Imst and shortly the riders tackle the Piller Sattel, a climb that they crested twice before on stage 2. The ascent begins in Wenns and adds to 7 kilometres at 8.2%.
Back in the valley the route leads on the flat to the foot of the Reschen Pass, which is a 16 kilometres climb into Italy. On wide straight roads and at shallow gradients, this ascent is not very challenging. On their right the riders will see the steeple of a submerged 14th-century church in Lake Reschen.
The route descends into Glorenza to tackle a more demanding uphill in the mountains above the Val Venosta. The 10 kilometres ascent slopes at approximately 6%. In the descent the riders move through Alitz and back in the valley in Lasa the route continues further downhill to Castelbello.
With 21.9 kilometres to go the last ascent of the day appears. The 3 kilometres climb at 7% leads to the village Tarres before descending back to Lasa. The last 15 kilometres of the race are a false flat run-in to the finish in Naturns.
The first three riders on the line gain time bonuses of 10, 6 and 4 seconds, while the intermediate sprint at kilometre 56 comes with 3, 2 and 1 seconds.
Another interesting read: results 3rd stage 2021 Tour of the Alps.
Tour of the Alps 2021 stage 3: route, profile, more
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