Crashes and subsequent concussion diagnoses have marked the opening week of the Tour de France, with three of the eight riders forced to withdraw suffering from head injuries. The incidents, involving Frenchman Clement Berthet, Dutchman Alex Molenaar, and Norwegian Torstein Traeen, have underscored the challenges in managing concussions within a sport where riders often push through pain.

All three riders experienced crashes during their respective stages and, despite completing the day's racing, were later diagnosed with concussions and withdrew from the competition. Berthet crashed during the opening team time trial, Molenaar fell near the end of stage five, and Traeen went down on a descent while wearing the race leader's yellow jersey.

The International Cycling Union (UCI) implemented a concussion protocol at the start of the 2021 season to address such issues. This protocol requires an initial assessment by the first person to reach a fallen rider, often a team mechanic. If at least two observable signs of concussion, such as disorientation or balance impairment, are detected, the rider must be withdrawn.

However, the protocol allows for riders to continue if no immediate signs are apparent, with further assessments conducted by medical staff from a race vehicle. These assessments involve answering questions about the race context, and a more thorough 10-minute examination is required if a concussion is suspected after the stage.

Xavier Bigard, medical director of the UCI, acknowledged that seeing riders diagnosed with concussion after resuming racing is "never very satisfactory." He noted significant progress since 2018, when riders like Romain Bardet continued racing for extended periods despite suffering concussions.

Mathieu Le Strat, medical director for Groupama-FDJ, commented that the "roadside protocol is much shorter" and conducted "in the heat of the moment," suggesting potential limitations in its effectiveness for immediate concussion detection.

The current system relies on the rider's ability to self-report symptoms or for medical personnel to identify subtle signs amidst the race's intensity and the rider's determination to continue. The fact that all three riders completed their stages before withdrawing indicates that initial roadside assessments may not always capture the full extent of a head injury.

These cases raise questions about the sufficiency of current concussion management strategies in professional cycling, particularly concerning the balance between allowing riders to continue and ensuring their immediate and long-term safety.