The part of the foot that makes initial contact with the ground during running
A wearable device with GPS functionality for tracking distance, pace, and navigation
The study of an individual's running style
A protective garment worn over shoes and lower legs to keep out debris
The stored form of glucose in muscles and the liver
Exhaustion of glycogen stores in muscles and liver
A wearable light source for illuminating the trail in low-light conditions
The process of adapting to high temperatures for improved performance
