A woman mountain biking on the Horse Gulch Trail System, Durango, Colorado

45 49 years adult adults only backpack bike caucasian ethnicity cheerful cloud colorado color image cycling helmet day dirt road durango exercising front view full length gloves grass growth happiness healthy lifestyle horizontal lush mature adult mature women mountain mountain bike mountain biking mountain range nature non urban scene one mature woman only one person one woman only only women outdoors people scenics sky sportswear sunglasses transportation tree usa women