The IJSBA JetTrim World Finals is going strong at Lake Havasu City this weekend.

Some of the riders had a chance to show off their tricks and backflips during the Freestyle competition Saturday. The competition was Saturday afternoon at Crazy Horse Campground and then a show was put on by riders Saturday night under the London Bridge.

This year marks the 40th anniversary for the IJSBA World Finals in Lake Havasu. The Freestyle competition wraps up Sunday afternoon at Crazy Horse Campground.

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene

Jillian Danielson/RiverScene