American cyclist Sepp Kuss crashed twice during the Alpe d'Huez descent while leading Stage 20 of the Tour de France [1, 2].

The incident highlights the extreme risks associated with high-speed technical descents in professional cycling and the critical role of course safety infrastructure.

Kuss, riding for Visma-Lease a Bike, was in a position to win the stage when he lost control on the descent [1, 3]. He suffered two separate crashes during the technical section of the course [1]. Strategically placed safety netting prevented Kuss from sustaining more serious injuries during the falls [1, 2].

Following the crashes, Ecuadorian rider Richard Carapaz seized the opportunity to take the lead and won the stage [3]. The Alpe d'Huez climb is one of the most storied sections of the race, known for its steep gradients, and challenging terrain [1, 3].

This event occurred during a high-performance stretch for Kuss. He had previously finished fourth on Stage 19 [4]. A veteran of the sport, Kuss has participated in six Tours de France [4].

Race organizers received praise for the implementation of the safety netting, which was credited with saving the rider from a potentially catastrophic fall [2]. Despite the crashes, Kuss continued to complete the stage, though the loss of momentum cost him the victory [1, 3].

“Sepp Kuss crashed twice during the Alpe d'Huez descent while leading Stage 20”

The incident underscores the volatility of Grand Tour racing, where a single technical error can erase a dominant lead. Furthermore, the successful intervention of safety netting validates the Tour de France's increasing investment in rider protection on high-risk descents, potentially shifting how organizers design safety corridors for future mountain stages.