However, in sprint athletes, for example, which consume small amounts of food, supplementation may be necessary. (topdogtips.com)
Either way, it's known as one of the most punishing of the track disciplines, often favouring sprint athletes towards the «endurance» end of the spectrum. (britishcycling.org.uk)
Genotype and allele frequency analyses did not result in significant associations when the combined endurance versus sprint athletes were compared (Supplemental Table 1). (jci.org)