As had been the case all week, World Superbike had to look to the skies before Race 1 at Assen to determine what the weather gods had in store for the Dutch track. Expecting fair conditions for Race 1, and rain expected for Race 2, teams again would have continue to have to juggle two different setups for their riders.

With the grid on slicks for the start of Race 1, things would come to crashing halt just nine laps later, as the rain made an early appearance. Red-flagged and restarted, Race 1 ended up being a very wet affair. Click past the jump for spoilers and results.