Dress in moisture-wicking layers
Wear a windproof outer layer
Protect your hands with gloves
Cover your head and ears with a hat or headband
Wear thermal socks and proper running shoes
Warm up indoors before heading out
Start at a slower pace
Breathe through your nose or a neck gaiter if needed
Keep runs shorter in extreme cold
Stay visible with reflective gear
Avoid cotton clothing
Check weather and wind chill before running
Stay hydrated
Change out of wet clothes immediately after running