Every women's and men's world records from 5 km to the marathon has been broken since the introduction of carbon fibre plate (CFP) shoes in 2016. This step-wise increase in performance coincides with recent advancements in shoe technology that increase the elastic properties of the shoe thereby reducing the energy cost of running. The latest CFP shoes are acknowledged to increase running economy by more than 4%, corresponding to a greater than 2% improvement in performance/run time. The recently modified rules governing competition shoes for elite athletes, announced by World Athletics, that includes sole thickness must not exceed 40 mm and must not contain more than one rigid embedded plate, appear contrary to the true essence and credibility of sport as access to this performance-defining technology becomes the primary differentiator of sporting performance in elite athletes. This is a particular problem in sports such as athletics where the primary sponsor of the athlete is very often a footwear manufacturing company. The postponement of the 2020 Summer Olympics provides a unique opportunity for reflection by the world of sport and time to commission an independent review to evaluate the impact of technology on the integrity of sporting competition. A potential solution to solve this issue can involve the reduction of the stack height of a shoe to 20 mm. This simple and practical solution would prevent shoe technology from having too large an impact on the energy cost of running and, therefore, determining the performance outcome. Key PointsRecent improvements in long-distance running world records are unlikely physiological but rather technological, if for no other reason that such a step-wise improvement in physiological attributes underpinning performance is unlikely. On the other hand, there has been such a step improvement in shoe technology.Current shoe designs for road running, and more recently for track running, that include a CFP seem to greatly reduce the energy cost of running and, as a consequence, most long-distance road running records have been broken in the last 3 years by athletes wearing CFP shoes.Current rules are therefore no longer fit for purpose, requiring revision to safeguard the integrity of sport. A potential solution to solve this issue can involve the reduction of the stack height of a shoe to 20 mm.
Four weeks of rHuEpo increased the HGB and HCT of Kenyan endurance runners to a lesser extent than in SCO (~17% vs ~10%, respectively) and these alterations were associated with similar improvements in running performance immediately after the rHuEpo administration (~5%) and 4 weeks after rHuEpo (~3%).
Wearable technology is going through a remarkable period of development by an everincreasing number of small start-ups to large established companies and an exciting array of new applications in a variety of fields including exploration, fashion, gaming, military, medical, sport and fitness are being introduced to the marketplace. Despite this considerable interest the application of wearables, there are also well-founded concerns among sport regulatory bodies and exercise scientists. For example, there is a lack of empirical evidence to support the numerous and sometimes outlandish claims made by some manufacturers of wearable companies. The potential partnerships between wearable technology companies and the scientific community would help in the further advancement and adoption of this technology across sports. Live streaming of real-time physiologic and kinematic data is an advancement in wearable technology that shows great promise in many aspects of health, fitness and sport. Backing up these advancements and claims with rigorous scientific evidence will positively impact athletes, sports, scientists, the wearable technology industry and sport.
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