Complex sentence: In Wahpeton, North Dakota, where the plane was restored, there is an annual motorcycle and vehicle run in August starting at the Harry Stern Airport called the Red Tail Run that raises money for the project.
Split into simpler sentences: In Wahpeton, North Dakota, where the plane was restored, each August the "Red Tail Run" is held. This motorcycle and vehicle run, which starts at the Harry Stern Airport, raises money for the project.