The video shows a man riding a mountain bike on a dirt trail. He is wearing a helmet and a jersey with the number 6 on it. The trail is marked by red and white flags, and there is a blue tape on the side. The man is riding at a high speed and appears to be in a race. The terrain is uneven and there are several mounds of dirt on the trail. The sky is clear and blue, indicating good weather conditions for the race.