The mud was very sticky, followed by stretches of gravel which stuck to the mud and built up on tires and other parts. There were a lot of broken bikes today. Many of the racers carried their bikes through the stickiest stretches.
Third lap, walking instead of jogging, getting tired.
Cowbells, along with shouts and various other vocalizations, are used to encourage the riders on to greater efforts. Some serious bell ringing going on here...
Over the barriers