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It would be straightforward for us to approach the summit from Bormio; while I am sure that would be beautiful, the classic approach is from Prato allo Stelvio. The logistics would be a burden, but our host made it happen. He dispatched a few strong riders to tackle the climb yesterday, reducing the size of our group to fit into two vehicles laden with bicycles today.
We drove through Bormio and up to the summit of the Umbrail Pass. There, we bundled up and descended to the valley, passing through the town of Santa Maria (Switzerland) and looping back into Italy to start the famous climb from Prato allo Stelvio.
Ever the laggard going uphill, my plan was to descend as rapidly as possible to get ahead of the group before we started to ascend. We were warned to expect one unpaved section of road (a mile of packed gravel) on the way down. I was especially cautious there; one rider caught and passed me, but nonetheless I was the first to reach the valley. [Not having seen me descend until now, my fellow riders were surprised. "You were en pointe, the whole way down!" Nice way to put it. I smiled.]
At the border, the Italians waved us through, and I booked it all the way to Prato—where I promptly headed in the wrong direction. Having stopped for a bio break, I was separated from the rest of the pack and never saw the last sign toward the pass. (Evidently it was easy to miss, being somewhat obscured by a tree.) I approached a couple of guys in a parking lot, and they happily sent me in the right direction.
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There are 48 switchbacks on the way to the top, and each turn is numbered. I rounded switchback number 48 after about 4 miles. Warmed by the effort, I had already peeled off my outer layer. Up to that point, the average grade was 6%; almost eleven miles remained, with an average grade of 7.9%.
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Many cyclists passed me along the way, but as I drew nearer to the summit, it was my turn to pass. Endurance, I have. I am sure the diminishing concentration of oxygen slowed me further, but I reached 8,300 feet before I noticed. Painted marks on the road counted down the distance remaining: 6k ... 5k ... At hairpin number 1, I lingered in a state of awe.
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Next time ...