Beginner, short distance (say 10-15 miles): average speed 12 mph. Most cyclists can achieve 10-12 mph average very quickly with limited training. More experienced, short-medium distance (say 20-30 miles): average 15-16 mph. Reasonable experience, medium (say 40 miles): average around 16-19 mph.
Stride length is measured from heel to heel and determines how far you walk with each step. On average, a man's walking stride length is 2.5 feet, or 30 inches, according to Arizona State University Extension. A woman's average stride length is 2.2 feet, or 26.4 inches, reports the school.
Men also had a longer average stride during shorter distances, covering an average of 7 feet 9 inches with each stride in the 800 meters and an average of 6 feet 8 inches in the 10k.