When running in cold weather, dress appropriately and stay hydrated. It will take care of your organs internally. Additionally, wear a hat, gloves, and sturdy shoes to protect you from frostbite and other cold weather injuries. If you experience any pain or discomfort while running, immediately stop and consult a doctor. Carry a headlamp, wear running shoes with traction, a warm vest over a base layer, a headband, GPS, and lastly water bottle.