"Outdoor cycling" refers to the activity of riding a bicycle outside, usually on roads, trails, or other outdoor spaces. It is a form of exercise and recreation that allows individuals to enjoy the outdoors while riding a bike. Full definition
«My parents introduced me to a local outdoor cycling track as a small child when I showed an interest in riding my bike and racing my brothers on the streets around our family home.» (mmusportblog.com)
As for pregnancy - unfriendly workouts, Gilberg - Lenz lists hot yoga — «or anything in a room where your body's natural ability to cool itself via sweating is inhibited» — and «workouts that require balance and might result in a fall or injury,» like trapeze, boxing, rock climbing and more strenuous outdoor cycling, as exercises that should be avoided. (livinghealthy.com)
Sports that could cause a major crash or fall like unassisted rock climbing, skiing and outdoor cycling unless you are a super confident athlete to start with in one of these areas (parsleyhealth.com)