Race Format: The championship includes a series of races, with the Rogue River serving as the stage for the marathon extravaganza on the following dates: May 4-5: Intense racing on the Rogue River. May 8-11: More heart-pounding action as the jet boats navigate the challenging waters. But that’s not all! Before the world championship, make sure to catch the Jet Boat Time Trials on the Coquille River on May 6. It’s an opportunity to witness the boats in action and experience the thrill firsthand.